Eaton Corporation Patent applications |
Patent application number | Title | Published |
20160141136 | Visible Disconnect Switch Interlock Assembly - A visible disconnect switch (VDS) interlock assembly is provided. The VDS interlock assembly is movable between a CBA, first lockout position, wherein a CBA second contact assembly cannot move when a VDS second contact assembly is in a first position, and a VDS, second lockout position, wherein a VDS second contact assembly cannot move when the CBA second contact assembly is in a second position. Further, the VDS interlock assembly is placed in an open position in between where the CBA, first lockout position and the VDS, second lockout position; from the open position the VDS interlock assembly may be moved into one of the CBA, first lockout position or the VDS, second lockout position. | 05-19-2016 |
20160141135 | CIRCUIT BREAKER HAVING LINE TERMINAL AND ASSOCIATED INDICATING METHOD - A line terminal is for an electrical switching apparatus. The electrical switching apparatus includes a stationary contact and a movable contact structured to move into and out of engagement with the stationary contact in order to close and open the electrical switching apparatus, respectively. The line terminal includes a lip portion structured to be connected to the stationary contact in order to provide an electrical pathway therebetween; an arm portion extending from the lip portion, the arm portion having an engaging portion structured to receive and engage a conductive post member and provide an electrical pathway between the conductive post member and the stationary contact; a neck portion extending from the arm portion; and a tab portion extending from the neck portion and being located internal with respect to the engaging portion. | 05-19-2016 |
20160141119 | VACUUM SWITCHING APPARATUS, AND CONTACT ASSEMBLY AND METHOD OF SECURING AN ELECTRICAL CONTACT TO AN ELECTRODE THEREFOR - A contact assembly is for a vacuum switching apparatus. The vacuum switching apparatus includes a vacuum envelope. The vacuum envelope has an interior. The contact assembly includes: a number of electrical contacts located in the interior of the vacuum envelope, at least one electrical contact having a hole; and a number of electrodes each engaging a corresponding one of the number of electrical contacts, at least one electrode including a base and a protrusion. The protrusion extends from the base into the hole of the electrical contact in order to secure the electrical contact to the electrode. | 05-19-2016 |
20160141117 | MECHANICAL WEAR, WIPE AND STROKE MEASUREMENT SYSTEM FOR CIRCUIT BREAKERS - A contact wear indicator assembly for a circuit breaker assembly is provided. The contact wear indicator assembly includes an interface assembly, an indicator drive assembly, and a user display assembly. The user display assembly includes an output device. The output device is structured to produce a visual indication representative of a measurable contact characteristic. The indicator drive assembly is operatively coupled to the interface assembly, whereby the indicator drive assembly moves between a first position and a second position corresponding to an interface assembly first and second position. The indicator drive assembly is measurably coupled to the user display assembly. The user display assembly is structured to convert the position data of the indicator drive assembly into a quantified output such as, but not limited to, contact characteristics. The user display assembly is further structured to display the indicator drive assembly position data on the output device. | 05-19-2016 |
20160139192 | SYSTEM AND METHOD FOR SELF-TESTING A GROUND FAULT CIRCUIT INTERRUPTER - Self-test circuitry for testing a circuit interrupter includes an active element coupled to an operating mechanism, a first sub-circuit for temporarily disabling the active element, a second sub-circuit structured to generate a simulated ground fault condition, and a processing unit coupled to the ground fault detection circuitry. The first sub-circuit and the second sub-circuit, the processing unit being structured and configured to control the first sub-circuit to temporarily disable the active element and to control the second sub-circuit to generate the simulated ground fault condition when the active element is disabled. Also, self-test circuitry that includes a sub-circuit structured to generate a simulated ground fault condition and a processing unit structured and configured to control the sub-circuit to generate the simulated ground fault condition only during a predetermined portion of a half cycle of energy passing through the circuit interrupter. | 05-19-2016 |
20160134127 | WIRELESS POWER SYSTEM - A wireless power system including a wireless power transmitter coupled to a power source and being structured to receive power from the power source, the wireless power transmitter including a transmitter coil structured to wirelessly transmit said power; and a wireless power receiver including a receiver coil structured to receive the power from the transmitter coil, the wireless power receiver being coupled to and load and structured to provide the power to the load, wherein the wireless power transmitter is structured to be installed in a junction box disposed in a floor, a wall, or a ceiling, or inside an exterior surface of equipment; and wherein the wireless power transmitter is structured to wirelessly transmit the power to the wireless power receiver disposed outside of the floor, the wall, or the ceiling. | 05-12-2016 |
20160134118 | HIGH VOLTAGE DIRECT CURRENT TRANSMISSION AND DISTRIBUTION SYSTEM - A direct current to alternating current inverter sub-system is for a HVDC distribution system. The DC to AC inverter sub-system includes an enclosure and a DC to DC galvanically isolated buck converter having a DC input electrically connectable to a HVDC cable and a DC output. A DC to AC inverter includes a DC input electrically connected to the DC output of the DC to DC galvanically isolated buck converter and an AC output electrically connectable to an AC transmission line. The DC to AC inverter is mounted in an enclosure with the DC to DC galvanically isolated buck converter, in order that the DC output of the DC to DC galvanically isolated buck converter is directly electrically connected within the enclosure to the DC input of the DC to AC inverter. | 05-12-2016 |
20160126869 | REGENERATIVE RECTIFIER FOR A MOTOR CONTROL DRIVE - A system, and associated method, fbr controlling a motor drive coupled to an AC power source in a condition wherein the motor drive is generating a regenerative current. The system includes a plurality of electronic switching devices structured to be provided in anti-parallel connection with a plurality of rectifier diodes of the motor drive, and a controller structured and configured to receive a number of phase voltages from the AC power source, determine a grid angle for the AC power source using the number of phase voltages, and generate a number of control signals for controlling the electronic switching devices using the grid angle when the motor drive is generating the regenerative current. | 05-05-2016 |
20160126034 | ELECTRICAL SYSTEM AND OPERATING HANDLE INTERFACE ASSEMBLY THEREFOR - An operating handle interface assembly is for an electrical system. The electrical system includes an enclosure having an interior and an exterior, and a plurality of electrical switching apparatus disposed within the interior. Each of the electrical switching apparatus includes an operating handle. The operating handle interface assembly includes a linking assembly structured to interconnect the operating handles of a plurality of the electrical switching apparatus. An elongated shaft includes opposing first and second ends. The first end cooperates with one of the operating handles of one of the electrical switching apparatus. The second end is disposed on the exterior of the enclosure. A handle attachment is coupled to the second end of the elongated shaft on the exterior of the enclosure. The handle attachment is operable among a plurality of positions to correspondingly operate the operating handles of all of the interconnected electrical switching apparatus. | 05-05-2016 |
20160124048 | PORTABLE DIAGNOSTIC APPARATUS FOR TESTING CIRCUIT BREAKERS - A portable diagnostic apparatus for performing diagnostic testing on a circuit breaker includes a number of sensor devices structured to generate a number of sensed parameter signals relating to operation of the circuit breaker during an operational sequence, a number of auxiliary input connectors structured to receive a number of auxiliary data signals from the circuit breaker, the number of auxiliary data signals relating to and being generated in response to the operation of the circuit breaker during the operational sequence, and control and diagnostic circuitry. The control and diagnostic circuitry is structured to control operation of the portable diagnostic apparatus, receive the number of sensed parameter signals and the number of auxiliary data signals, and generate a time signature based on the number of sensed parameter signals and the number of auxiliary data signals. | 05-05-2016 |
20160116508 | SYSTEM AND METHOD TO CHARACTERIZE AND IDENTIFY OPERATING MODES OF ELECTRIC LOADS - A system characterizes and identifies one of a plurality of different operating modes of a number of electric loads. The system includes a processor; a voltage sensor providing a voltage signal for one of the electric loads to the processor; a current sensor providing a current signal for the one electric load to the processor; and a routine executed by the processor and structured to characterize the different operating modes using steady state and voltage-current trajectory features determined from the voltage and current signals, and to identify a particular one of the different operating modes based on a plurality of operating mode membership functions of the steady state and voltage-current trajectory features. | 04-28-2016 |
20160111229 | ELECTRICAL SWITCHING APPARATUS AND TRANSMISSION ASSEMBLY THEREFOR - A transmission assembly is for an electrical switching apparatus. The electrical switching apparatus includes a housing, a mount, at least one charging mechanism, and a pair of separable contacts. The transmission assembly has a drive assembly and a transfer assembly. The drive assembly includes a rotary driving member, a stored energy mechanism. and a linear driving member partially extending into the stored energy mechanism and being coupled to the rotary driving member. The transfer assembly cooperates with the drive assembly and the separable contacts and includes a sliding transfer component. The transmission assembly moves between a LOADED OPEN position, an UNLOADED CLOSED position, a LOADED CLOSED position, and an UNLOADED OPEN position. When the transmission assembly moves from the LOADED OPEN position to the UNLOADED CLOSED position, the linear driving member drives the sliding transfer component in a generally linear direction, thereby closing the separable contacts. | 04-21-2016 |
20160108859 | Supercharger Exhaust Bypass - A supercharger exhaust bypass system, comprises a supercharger comprising an inlet and outlet, a bypass valve connected to the supercharger outlet, a first intercooler connected to receive compressed air from the outlet of the supercharger and connected to cool and expel air, a second intercooler comprising an envelope inlet, an exhaust inlet, an exhaust outlet, an exhaust passage between the exhaust inlet and the exhaust outlet, and an envelope connected to the envelope inlet and surrounding the exhaust passage, an engine system connected to receive expelled air from the first intercooler and further connected to output exhaust to the exhaust inlet of the second intercooler, and a bypass conduit connected to the bypass valve and connected to the envelope inlet. | 04-21-2016 |
20160104590 | COMPOSITE ARC SHIELDS FOR VACUUM INTERRUPTERS AND METHODS FOR FORMING SAME - The disclosed concept pertains to vacuum interrupters and arc-resistant shields. The arc-resistant shields are positioned in between a ceramic insulator. Each end of the arc-resistant shield is hermetically sealed to the ceramic insulator. The arc-resistant shield includes an outer surface and an inner surface. The inner surface includes an arc-resistant material. Disposed within the arc-resistant shield is a pair of electrode assemblies which are separable to establish arcing. In certain embodiments, the arc-resistant material is copper-chromium alloy. | 04-14-2016 |
20160099562 | ELECTRICAL SYSTEM AND SUPPORT ASSEMBLY THEREFOR - A support assembly is for an electrical system. The electrical system includes a network protector and a number of disconnect switches coupled to the network protector. The support assembly includes: an insulative mounting member coupled to each of the disconnect switches; a number of base assemblies each including a housing assembly and a stand assembly disposed on the housing assembly, the housing assembly being coupled to the insulative mounting member; and a lifting apparatus disposed on each of the base assemblies. The lifting apparatus moves each of the insulative mounting member and the housing assembly in a direction transverse to the stand assembly. | 04-07-2016 |
20160099552 | SWITCHGEAR SYSTEM AND RESTRAINT ASSEMBLY THEREFOR - A restraint assembly is for a switchgear system. The switchgear system includes an enclosure having a number of compartments and a number of electrical apparatus, such as for example, circuit breakers, movable into and out of the compartments. The restraint assembly includes at least one latch assembly comprising a mounting member, a latch pivotably coupled to the mounting member, and a number of biasing elements biasing the latch. The latch moves between a latched position corresponding to the latch locking an electrical apparatus within a corresponding compartment, and an unlatched position corresponding to the electrical apparatus being movable with respect to the compartment. The biasing elements bias the latch toward the latched position. | 04-07-2016 |
20160099125 | FUSE WITH CARBON FIBER FUSIBLE ELEMENT - A fuse includes a body, a first conductive terminal coupled with a first end of the body, and a second conductive terminal coupled with a second end of the body. The body, the first conductive terminal, and the second conductive terminal define an exterior of the fuse. The fuse also includes an interruption assembly including a fusible element. The fusible element includes carbon fiber, is disposed on a conductive path between the first conductive terminal and the second conductive terminal, and is configured to break when a current through the fusible element exceeds a predetermined current. | 04-07-2016 |
20160099118 | Electrical Interruption Apparatus With Wear Indicator - An improved electrical interruption apparatus provides an improved wear indicator that is configured to depict an amount of wear that has been experienced by a set of separable contacts of a vacuum interrupter. At an easily visible location on a drive rod of the circuit interruption apparatus, the wear indicator indicates the extent to which the set of contacts have degraded. The wear indicator is attached to a spring-loaded over-travel mechanism that engages together the set of electrical contacts. | 04-07-2016 |
20160090469 | MULTI ADDITIVE MULTIFUNCTIONAL COMPOSITE FOR USE IN A NON-METALLIC FUEL CONVEYANCE SYSTEM - A multifunctional composite material may include a polymer matrix, at least one nano-additive, micro-additive, and/or a spherical nano-additive. The non-metallic composite material may be used to make non-metallic parts for fuel conveyance systems for use in aircraft. | 03-31-2016 |
20160077161 | METHOD FOR IMPROVED DIAGNOSTIC IN DETERMINING AND PREVENTING INVERTER FAULTS - The disclosed concept pertains to systems and methods for improving diagnostics in preventing inverter faults and determining the likelihood or occurrence of inverter faults. The disclosed concept includes employing one or more sensors capable of sensing and measuring one or more of magnetic field, temperature, vibration and humidity of the inverter. The measured values of these parameters are compared to previously obtained values or threshold values to determine whether action is required to preclude an inverter fault or cease operation in response to the occurrence of an inverter fault. | 03-17-2016 |
20160069402 | System and Method for Clutch Pressure Control - A clutch system comprises a hydraulic control circuit for controlling a hydraulic system. The hydraulic control circuit comprises processor-executable control instructions to perform a method for controlling hydraulic pressure. The method comprises receiving a target hydraulic pressure. The method generates and outputs pressure control valve commands based on a detected current hydraulic pressure, a detected temperature, and the target hydraulic pressure by implementing proportional integral derivative (PID) calculations and sliding mode calculations while carrying out a closed loop pressure control. The method converts the target hydraulic pressure into motor speed control commands and into motor direct current commands by implementing a linear quadratic regulator (LQR) calculation while carrying out a closed loop speed control. The method controls the electric motor using the motor direct current commands. And, the method controls the pressure control valve by using the pressure control valve commands. | 03-10-2016 |
20160067804 | MODIFIED TOOTH PROPORTION GEAR CUTTER - An exemplary modified tooth proportion gear cutter includes a gear cutter that has a plurality of cutting teeth, and each one of the cutting teeth has a pair of cutting edges configured to cut a gear in a blank orientation so as to provide the gear in a final orientation. The gear in its final orientation has an involute tooth profile including a plurality of cut teeth and a plurality of valleys therebetween. The cutting edges are configured to cut the gear in the blank orientation, such that the gear in the final orientation includes the involute tooth profile with an active profile section and an operating pitch diameter that is spaced apart from the active profile section. | 03-10-2016 |
20160064905 | MODULAR ACCESSORY SYSTEM FOR PANEL BOARD - A modular accessory system is structured to be mounted in a panel board including a housing assembly and a number of conductors with each conductor having a number of stabs extending therefrom. The modular accessory system includes an interface assembly structured to be selectively coupled to the panel board and a number of modules disposed on the interface assembly. Each module is structured to at least monitor or regulate one or more attributes of the panel board. | 03-03-2016 |
20160064881 | Bus Bar Apparatus Usable In High Temperature Cable Termination Applications - An improved bus bar apparatus is usable in high temperature electrical terminations and is configured to provide sufficient heat dissipation such that when connected at one end with a 90° C. wire, the bus bar apparatus is at most only at 75° C. at another end thereof, which end can be connected with a lower temperature electrical component such as a circuit interrupter. The bus bars apparatus may include bus bars that extend directly between the high temperature wires and the low temperature electrical component, or the bus bar apparatus may additionally include wires that are electrically interposed between the low temperature region of the bus bars and the electrical component. Additional cooling could be provided by employing oversized wires. The bus bars may additionally include fins, fans, or supplementary heat sinks to enhance thermal convection of the bus bar. The bus bar apparatus additionally can be provided with its own enclosure to be usable in a retrofit situation. | 03-03-2016 |
20160064170 | ARC EXTINGUISHING CONTACT ASSEMBLY FOR A CIRCUIT BREAKER ASSEMBLY - An arc extinguishing contact assembly for a circuit breaker assembly is provided. The arc extinguishing contact assembly includes a fixed contact assembly, a movable contact assembly and an arc extinguishing assembly. The fixed contact assembly includes a fixed arc contact assembly, a fixed main contact assembly, and a number of movable, intermediate arc contact assemblies. The movable contact assembly includes a movable arc contact assembly and a movable main contact assembly. The arc extinguishing assembly is structured to extinguish an arc generated as the movable contact assembly moves between an open, first position and a closed, second position. | 03-03-2016 |
20160064169 | ARC EXTINGUISHING CONTACT ASSEMBLY FOR A CIRCUIT BREAKER ASSEMBLY - An arc extinguishing contact assembly for a circuit breaker assembly is provided. The arc extinguishing contact assembly includes a fixed contact assembly, a movable contact assembly and an arc extinguishing assembly. The fixed contact assembly includes a fixed arc contact assembly, a fixed main contact assembly, and a number of movable, intermediate arc contact assemblies. The movable contact assembly includes a movable arc contact assembly and a movable main contact assembly. The arc extinguishing assembly is structured to extinguish an arc generated as the movable contact assembly moves between an open, first position and a closed, second position. | 03-03-2016 |
20160063143 | INTERCHANGABLE FLOW RESTRICTING ORIFICE FOR CLAMSHELL COUPLER - A system for testing fluid flow includes a first tube, a first flange disposed on an end of the first tube, a second tube, and a second flange disposed on an end of the second tube. The second flange is adjacent the first flange. A flow restricting sleeve surrounds the first flange and the second flange. The flow restricting sleeve has an inner surface and an outer surface, with a web extending from the inner surface and defining an orifice. The web extends between the first flange and the second flange. A coupler assembly surrounds the flow restricting sleeve. | 03-03-2016 |
20160061342 | BALANCED POPPET FLOAT VENT VALVE - A vent valve may include, among other things, a valve body having an inlet opening and an outlet opening forming a flow path. The inlet opening may be oriented in a first direction and the outlet opening may be oriented in a second direction. A poppet member may be provided on or about the valve body and can be configured for movement between an opened position and a closed position relative to the inlet opening. The poppet member may be movable along the valve body in a direction that is perpendicular to the first direction of the inlet opening. A float member may be attached or operatively connected to the poppet member, the float member configured to move the poppet member between the first and second positions. | 03-03-2016 |
20160056618 | SWITCHGEAR SYSTEM AND ELECTRICAL SWITCHING APPARATUS ASSEMBLY THEREFOR - An electrical switching apparatus assembly is for a switchgear system. The switchgear system include an enclosure and a plurality of electrical bus members. The enclosure includes a number of compartments and a gas barrier having a plurality of thru holes. The electrical switching apparatus assembly includes an electrical switching apparatus, movable between a connection position and a disconnected position, and a pin assembly. The housing of the electrical switching apparatus includes a cover member having a plurality of apertures. The pin assembly includes a plurality of pins. When the electrical switching apparatus is disposed in the connected position, the apertures of the cover member align with the thru holes of the gas barrier to receive the pins and secure the electrical switching apparatus to the enclosure. | 02-25-2016 |
20160056000 | SWITCH APPARATUS FOR CONNECTION WITH A DC CIRCUIT - A switch apparatus usable in a DC circuit employs a rotatable shaft having conductors that are removably connected with two or more pairs of contacts that are situated on line conductors and load conductors and that are connected in parallel by the conductors on the shaft. In rotating the shaft to open the switch, one pair of the contacts is electrically disconnected prior to electrical disconnection of the other pair of contacts. Further rotation of the shaft causes the other pair of contact to eventually become disconnected. Electrical arcs thus form only at the air gaps between the other pair of contacts and the conductor. Magnetic field elements in the form of permanent magnets are situated in the vicinity of the air gaps of only the other pair of contacts and apply Lorentz forces to the arcs to extinguish them. | 02-25-2016 |
20160047340 | THERMAL ABATEMENT SYSTEMS - A thermal abatement system comprises an axial inlet, radial outlet supercharger. A main case comprises at least two rotor bores, an inlet plane and an outlet plane. The inlet plane is perpendicular to the outlet plane. An inlet wall comprises an inner surface. Two rotor mounting recesses are in the inner surface, and the inlet wall is parallel to the inlet plane. An outlet is in the outlet plane. An inlet is in the inlet plane. At least two rotors are configured to move air from the inlet to the outlet. The main case comprises at least two backflow ports. An intercooler is connected to receive air expelled from the supercharger, to cool the received air, and to expel the cooled air to the at least two back flow ports. | 02-18-2016 |
20160042884 | TRIP BAR STOP - An operating mechanism including a number of biasing elements and a number of linkage members is provided. The linkage members are operatively coupled to each other and each are movable between a second configuration, an initial tripped configuration, a rebound configuration, and a final tripped configuration. The biasing elements are operatively coupled to the number of linkage members and bias the number of linkage members to the final, first configuration. A stop member is coupled to one of the linkage members. The stop member moves with the associated linkage member. The stop member is positioned to contact a stop surface when the linkage members are in the rebound configuration. Contact between the stop member and the stop surface substantially arrests the motion of the linkage members. | 02-11-2016 |
20160040615 | SYSTEM AND METHOD OF DPF PASSIVE ENHANCEMENT THROUGH POWERTRAIN TORQUE-SPEED MANAGEMENT - This disclosure provides a method and system for determining recommendations for vehicle operation that reduce soot production in view of a diesel particulate filter (DPF) of an exhaust aftertreatment system. Recommendations generated can reduce excessive particulate matter (PM) production during transient engine events and provide for operating conditions favorable for passive regeneration. In this way, less frequent active regeneration of the DPF is needed and/or more opportunities are provided for passive regeneration. The system and method can utilize location and terrain information to anticipate and project a window of operation in view of reducing soot production and soot loading of the DPF, or provide the operator with instruction when such opportunities are present or will soon be encountered. | 02-11-2016 |
20160039538 | HYDRANT COUPLER WITH ARTICULATING HANDLE ASSEMBLY - A hydrant coupler ( | 02-11-2016 |
20160036210 | JUNCTION ASSEMBLY AND WIRING DEVICE THEREFOR - A wiring device is for a junction assembly. The junction assembly includes a housing. The wiring device includes a body at least partially extending into the housing, and at least one mounting member coupled to the body and including a number of protrusions extending away from the body. The mounting member moves between an extended position and a retracted position. When the mounting member is in the extended position, the mounting member maintains the body in a predetermined position with respect to the housing. Responsive to the mounting member moving from the extended position toward the retracted position, the protrusions move toward the body, thereby releasing the body from the housing. | 02-04-2016 |
20160036205 | Switchgear Enclosure Housing Assembly Including An Extendable Conductor Assembly - An enclosure housing assembly for an electrical switching apparatus is provided. The enclosure housing assembly includes a sidewall assembly, a movable carriage assembly, a ground bus bar assembly and a movable terminal assembly with an extendable conductor assembly. The sidewall assembly includes a number of sidewalk defining an enclosed space. The movable carriage assembly is movable between a withdrawn, first position. wherein the movable carriage assembly is disposed partially outside the enclosure sidewall assembly enclosed space, and an inserted, second position, wherein the movable carriage assembly is disposed substantially inside the enclosure sidewall assembly enclosed space. The ground bus bar assembly is coupled to the first sidewall. The movable terminal assembly is coupled to the movable carriage assembly whereby the movable terminal assembly moves with the movable carriage assembly. The extendable conductor assembly is coupled to, and in electrical communication with, the ground bus bar assembly. | 02-04-2016 |
20150372478 | THERMAL TRIP ASSEMBLY AND CIRCUIT INTERRUTPER INCLUDING THE SAME - A thermal trip assembly for use with a busbar includes a fastener, an insulating sleeve, a temperature sensor structured to sense a temperature of the busbar, and a thermal trip circuit structured to output a trip signal based on the sensed temperature. A portion of the insulating sleeve is disposed between the temperature sensor and the busbar. The fastener couples the insulating sleeve and the temperature sensor to the busbar with the insulating sleeve being in direct contact with a portion of the busbar. | 12-24-2015 |
20150371798 | CIRCUIT INTERRUPTER INCLUDING THERMAL TRIP ASSEMBLY AND PRINTED CIRCUIT BOARD ROGOWSKI COIL - A circuit interrupter includes a first terminal, a second terminal, separable contacts moveable between a closed position and an open position, the first and second terminals being electrically disconnected from each other when the separable contacts are in the open position, a printed circuit board Rogowski coil structured to sense a current flowing between the first and second terminals, a current transformer structured to harvest power from the current flowing between the first and second terminals, an electronic trip unit including an other trip circuit structured to output a first trip signal to control the actuator to cooperate with an operating mechanism to trip open the separable contacts based on the current sensed by the current sensor and a thermal trip assembly structured to sense a temperature of a busbar and to output a second trip signal based on the sensed temperature. | 12-24-2015 |
20150371791 | ELECTRICAL SWITCHING APPARATUS, AND TRIP ASSEMBLY AND LEVER MEMBER THEREFOR - A lever member is for a trip assembly of an electrical switching apparatus. The electrical switching apparatus includes a housing, a signaling mechanism, separable contacts, and an operating mechanism structured to open and close the separable contacts. The trip assembly includes a mounting assembly disposed on the housing and a drive assembly. The drive assembly includes an actuator coupled to the mounting assembly and a plunger disposed on the mounting assembly and being cooperable with the operating mechanism. The lever member includes: a pivot portion structured to engage the mounting assembly; a first arm portion structured to engage the plunger; and a second arm portion disposed between the pivot portion and the first arm portion, the second arm portion being structured to engage the actuator. | 12-24-2015 |
20150371790 | ELECTRICAL SWITCHING APPARATUS, AND JUMPER AND ASSOCIATED METHOD THEREFOR - A jumper is for an electrical switching apparatus having a plurality of poles. Each of the poles comprises a terminal. The terminal of a first one of the poles is proximate the terminal of a second one of the poles. The jumper includes a jumper member having an attachment portion and a heat sink portion. The attachment portion is structured to electrically connect the terminal of the first one of the poles to the terminal of the second one of the poles. The heat sink portion includes a plurality of spaced apart heat transfer members that are arranged in a plurality of rows and a plurality of columns. | 12-24-2015 |
20150369087 | Centrifugal Process to Eliminate Air in High Pressure Chamber of Hydraulic Lash Adjuster - A method for adding fluid to an hydraulic lash adjuster (HLA) comprises the steps of placing the HLA in to a centrifuge, the centrifuge having a fluid container, placing a sufficient amount of a first fluid in the fluid container to fluidly communicate with at least one fluid port of the HLA, and spinning the HLA at a first speed sufficient to move the first fluid in to at least the second of two fluid chambers in the HLA. | 12-24-2015 |
20150364277 | ELECTRICAL ENCLOSURE AND GUARD ASSEMBLY THEREFOR - A guard assembly is for an electrical enclosure. The electrical enclosure includes a housing, an electrical switching apparatus, and a handle. The guard assembly includes: a shaft including a first end and a second end, the first end being structured to be coupled to the handle, the second end being structured to be coupled to the electrical switching apparatus; and a sleeve assembly structured to move between a retracted position and an extended position, the sleeve assembly including a sleeve member, the sleeve member including: a base located proximate the first end of the shaft, and a cover portion extending from the base toward the second end of the shaft, the shaft extending at least partially through the cover portion. Responsive to the sleeve assembly moving from the retracted position toward the extended position, the sleeve member moves away from the second end of the shaft. | 12-17-2015 |
20150364269 | ELECTRICAL SWITCHING APPARATUS, AND STORED ENERGY ASSEMBLY AND TORQUE REGULATOR ASSEMBLY THEREFOR - A torque regulator assembly is for a stored energy assembly of an electrical switching apparatus. The torque regulator assembly includes: a drive assembly including a gear and a transfer assembly disposed on the gear, the gear being structured to be cooperable with at least one charging mechanism of the stored energy assembly; and a shaft extending through the gear. The drive assembly is structured to move between a driving position and a non-driving position. In the driving position, the gear is cooperable with the transfer assembly to drive the shaft. In the non-driving position, the gear rotates independently with respect to the transfer assembly. | 12-17-2015 |
20150357946 | FULLY INTEGRATED MEDIUM VOLTAGE INPUT LOW VOLTAGE OUTPUT VARIABLE FREQUENCY DRIVE SYSTEM - A motor drive system includes a step down phase shifting isolation transformer structured to receive medium voltage AC power from an AC bus and convert the medium voltage AC power to tow voltage AC power, a converter structured to receive the low voltage AC power and convert the low voltage AC power to DC power and output the DC power to a DC bus, and a tow voltage inverter structured to receive the DC power from the DC bus and convert the DC power to a second low voltage AC power. | 12-10-2015 |
20150357136 | Modular Vacuum Interruption Apparatus - An improved modular vacuum interruption apparatus includes a vacuum interrupter, a first connection module, and a second connection module, with the first and second connection modules each being connectable and disconnectable with a pair of electrodes of the vacuum interrupter. The first connection module is selected from among a plurality of connection modules that are similar yet different and can be used interchangeably to form various permutations of the improved modular vacuum interruption apparatus. The second connection module is likewise selected from among a plurality of connection modules that are similar yet different and that are interchangeably usable with the vacuum interrupter to form different permutations of the modular vacuum interruption apparatus. Similarly, the vacuum interrupter is among a plurality of vacuum interrupters having different specifications but that are usable interchangeably with all of the first and second connection modules to form different permutations of the modular vacuum interruption apparatus. | 12-10-2015 |
20150349653 | SYSTEM AND METHOD FOR SAFE SWITCHING IN AN AC-TO-AC CONVERTER - A system and method for controlling switching in an AC-AC converter is disclosed. A controller for the AC-AC converter determines a direction of current flow on supply lines that provide AC power to the AC-AC converter and determines a switching pattern for each of a plurality of line-side switches and each of a plurality of floating-neutral side switches in the AC-AC converter based on the determined direction of current flow on each of the supply lines. The controller causes the line-side switches and the floating-neutral side switches to operate in an ON or OFF condition according to the determined switching pattern, such that a controlled current flow is output from the AC-AC converter. The controller also implements a safe-switching routine when transitioning from a first switching pattern to a second switching pattern that prevents a non-zero current from being interrupted during the transitioning between the first and second switching patterns. | 12-03-2015 |
20150348720 | ELECTRICAL SWITCHING APPARATUS, AND ARC CHUTE ASSEMBLY AND BARRIER MEMBER THEREFOR - A barrier member is for an arc chute assembly of an electrical switching apparatus. The arc chute assembly comprises a first sidewall and a second sidewall opposite and spaced apart from said first sidewall. The barrier member comprises a body portion structured to be disposed between said first sidewall and said second sidewall, said body portion comprising a first support portion, a second support portion, and a cover portion connecting said first support portion to said second support portion; a first containment portion extending from said first support portion, said first containment portion being structured to be disposed proximate said first sidewall; and a second containment portion extending from said second support portion toward said first containment portion, said second containment portion being structured to be disposed proximate said second sidewall, wherein said second containment portion is spaced from said first containment portion. | 12-03-2015 |
20150346266 | SYSTEM AND METHOD FOR PULSED GROUND FAULT DETECTION AND LOCALIZATION - A system for locating a ground fault in a high resistance grounded (HRG) power distribution system includes a pulsing circuit configured to introduce a pulse current into the distribution system and current sensors adapted to monitor three-phase current signals present on conductors of the distribution system, with the current sensors positioned on a number of distribution networks included in the HRG power distribution system and at a protective device included on each respective distribution network. A processor associated with each protective device receives signals from the current sensors for identifying a location of the ground fault in the HRG power distribution system, with the processor associated with each protective device receiving measurements of the three-phase current signals from the current sensors over a plurality of cycles and identifying a pattern of interest in the three-phase current signals across the plurality of cycles in order to detect a ground fault. | 12-03-2015 |
20150340864 | UPS SYSTEMS AND METHODS USING COORDINATED STATIC SWITCH AND INVERTER OPERATION FOR GENERATOR WALK-IN - An uninterruptible power supply (UPS) system includes an AC output, an inverter coupled to the AC output and configured to provide power at the AC output, and a switch configured to selectively couple a generator (e.g., an engine-generator set) to the AC output. The system further includes a control circuit configured to variably modulate the switch to gradually increase control power flow from the generator to the AC output while causing the inverter to concurrently provide power to the AC output. The switch may be a static switch that includes at least one silicon controlled rectifier (SCR), and the control circuit may be configured to control a conduction interval of the at least one SCR to control power flow from the generator to the AC output. | 11-26-2015 |
20150337865 | SELF-ALIGNING JET PUMP ASSEMBLY - A self-aligning jet pump assembly for draining a liquid trap has a jet pump nozzle and a nozzle carrier that are self-aligning. | 11-26-2015 |
20150333486 | ARC MANAGEMENT SYSTEM FOR AN ELECTRICAL ENCLOSURE ASSEMBLY - An arc management system for an electrical enclosure assembly is provided. The electrical enclosure assembly includes a housing assembly and a conductive bus assembly. The arc management system includes a number of conductive bus extension assemblies, a number of first and second arc horn assemblies, and a number of ground conductor assemblies. Each conductive bus extension assembly includes a conductive member coupled to the conductive bus assembly. Each first arc horn assembly includes a conductive arc horn member. Each first arc horn member is in electrical communication with an associated bus extension conductive member. Each second arc horn assembly includes a conductive arc horn member. Each ground conductor assembly includes a ground conductive member. Each second arc horn member in electrical communication with an associated ground conductor assembly ground conductive member. Each first arc horn member is associated with a second arc horn member and disposed an effective distance therefrom. | 11-19-2015 |
20150333417 | CIRCUIT PROTECTION SYSTEM, AND WIRETAP CONNECTION ASSEMBLY AND METHOD THEREFOR - A wiretap connection assembly is for a circuit protection system. The circuit protection system includes at least one wire conductor and at least one circuit interrupter. The circuit interrupter includes a line conductor and a load conductor. The wire conductor has an electrically conductive inner core and an electrically insulating outer covering. The wiretap connection assembly includes a wire severing assembly structured to sever the wire conductor, and a number of wiretap assemblies. Each wiretap assembly includes a tapping portion and a connecting portion. The tapping portion is structured to pierce through the electrically insulating outer covering of a corresponding portion of the wire conductor and into the electrically conductive inner core. The connecting portion is structured to electrically connect the electrically conductive inner core of the corresponding portion of the wire conductor to a corresponding one of the line conductor and the load conductor. | 11-19-2015 |
20150332883 | ELECTRICAL SWITCHING APPARATUS AND LINEAR ACTUATOR ASSEMBLY THEREFOR - A linear actuator assembly is for an electrical switching apparatus, such as a multi-pole circuit breaker. The circuit breaker includes a plurality of pole units each having separable contacts. The linear actuator assembly includes a base unit comprising a housing, and a plurality of linear actuators. Each linear actuator is mounted within the housing in alignment with a corresponding one of the pole units. Each linear actuator actuates the separable contacts of the corresponding one of the pole units. A controller is adapted to control actuation of the linear actuators. | 11-19-2015 |
20150332871 | ELECTRICAL SWITCHING APPARATUS AND POLE SHAFT ASSEMBLY THEREFOR - A pole shaft assembly is for an electrical switching apparatus. The electrical switching apparatus includes a housing, separable contacts enclosed by the housing, and an operating mechanism structured to open and close the separable contacts. The pole shaft assembly includes a shaft structured to cooperate with the operating mechanism and to be pivotably coupled to the housing. A number of throw assemblies are disposed on the shaft, and are secured with respect to the shaft with fasteners. The shaft includes first and second opposing ends and an elongated body portion extending therebetween. The elongated body portion of the shaft has a cross-sectional shape comprising a number of orienting features. | 11-19-2015 |
20150330528 | SOLENOID VALVE ASSEMBLY WITH PILOT PRESSURE CONTROL - A valve assembly includes a valve body with an interior cavity and a primary supply port, a secondary supply port, a control port, and an exhaust port each extending to the interior cavity. An armature assembly is configured to move within the interior cavity from a first position to a second position when the coil is energized. A regulator body is operatively connected to the valve body and has an exhaust passage positioned at the exhaust port. A regulator valve in the regulator body is configured to prevent flow out of the exhaust passage when fluid pressure on the regulator valve is at or below a pilot pressure and permit flow out of the exhaust passage when fluid pressure on the regulator valve is greater than the pilot pressure. The valve body is configured to provide fluid from the secondary supply port to the control port. | 11-19-2015 |
20150326137 | POWER SYSTEM INCLUDING AN ELECTRET FOR A POWER BUS - A power system for an alternating current power bus includes an electret operatively associated with the alternating current power bus. The electret includes an output having an alternating current voltage when the alternating current power bus is energized. A rectifier includes an input electrically interconnected with the output of the electret and an output having a direct current voltage responsive to the alternating current voltage of the output of the electret. A powered device includes an input electrically interconnected with the output of the rectifier. The powered device is powered responsive to the direct current voltage of the output of the rectifier. | 11-12-2015 |
20150318687 | SURGE PROTECTION ASSEMBLY AND METHOD FOR ELECTRICAL SWITCHNG APPARATUS - An electrical switching apparatus includes a plurality of poles each comprising separable contacts, an operating mechanism structured to open and close the separable contacts and to trip open the separable contacts in response to a fault condition, and a housing enclosing the separable contacts. The housing includes an interior, an exterior, and a plurality of receptacles extending from the exterior toward the interior. A surge protection assembly includes a plurality of modules, wherein each of the modules is removably disposed in a corresponding one of the receptacles of the housing. Each of the modules provides independent surge protection for a corresponding one of the poles of the electrical switching apparatus. | 11-05-2015 |
20150318673 | POWER POLE INVERTER - An arm assembly is provided. The arm assembly includes a heat exchanger assembly, a plurality of electrical components thermally coupled to the heat exchanger assembly, and a number of electrical buses. Each electrical component is coupled to, and in electrical communication with, one electrical bus. A sealing compound is then applied to each electrical bus and to a limited number of the electrical components. | 11-05-2015 |
20150318122 | RFID ACTUATED BREAKER CODING INTERLOCK - The disclosed concept pertains to systems and methods to control the passing or entering of a circuit breaker into a cell. The concept relates to employing a RFID-actuated circuit breaker coding interlock. The interlock includes a circuit breaker having a RFID tag that stores information relating to the circuit breaker and a cell structured to receive the circuit breaker. The cell includes a blocking mechanism moveable between a blocking condition which prevents insertion of the circuit breaker into the cell and a non-blocking condition which permits insertion of the circuit breaker into the cell, and an RFID reader module structured to wirelessly receive the information from the RFID tag and determine whether to move the blocking mechanism from the blocking condition to the non-blocking condition based on the information. | 11-05-2015 |
20150316589 | RECEPTACLE INDICATING RELATIVE LEVEL OF CURRENT OR ENERGY - A smart receptacle is for a number of loads. The smart receptacle includes separable contacts; an operating mechanism structured to open and close the separable contacts; and a number of current sensors structured to sense current flowing through the separable contacts to one of the number of loads. A number of indicators indicate a relative level of the sensed current or corresponding energy. A processor inputs the sensed current, determines the relative level of the sensed current or the corresponding energy, and controls the number of indicators to indicate the relative level of the sensed current or the corresponding energy. | 11-05-2015 |
20150311752 | MICROGRID SYSTEM STRUCTURED TO DETECT OVERLOAD CONDITIONS AND TAKE CORRECTIVE ACTIONS RELATING THERETO - A distribution manager includes a main bus, a first connection coupled to the main bus through a first circuit breaker and being structured to couple the distribution manager to an inter-microgrid connection system, a second connection coupled to the main bus through a second circuit breaker and being structured to couple the distribution manager to the inter-microgrid connection system, and a third circuit breaker coupled to the main bus and being structured to be coupled to a load. The distribution manager is configured to detect an overload condition and in response thereto (i) request to bring an offline distributed source online, (ii) if an offline distributed source cannot be brought online, request to shed the load, and (iii) if the load cannot be shed, cause the second circuit breaker to downwardly adjust the trip curve thereof. | 10-29-2015 |
20150311683 | ELECTRICAL SYSTEM, AND SUPPORT ASSEMBLY AND METHOD OF RACKING ELECTRICAL SWITCHING APPARATUS THEREFOR - A support assembly is for an electrical system including an electrical enclosure, an electrical switching apparatus removably disposed in the electrical enclosure, and a plate member coupled to the electrical switching apparatus. The plate member includes a distal portion facing away from the electrical enclosure. The electrical switching apparatus includes an operating handle extending through the distal portion. The support assembly includes a base assembly. The base assembly includes a base. The support assembly further includes a number of brace assemblies each coupled to the base and structured to be coupled to the distal portion of the plate member. | 10-29-2015 |
20150311010 | RETROFITTABLE SWITCH GUARD - A switch guard for preventing accidental actuation of a control switch is disclosed. The switch guard includes a rigid wall structure comprising a pair of side walls and a pair of end walls arranged to accommodate positioning of the control switch therein, each of the pair of end walls including at least one opening formed therein. The switch guard also includes a mating feature provided at each of the end walls of the wall structure, with each mating feature being a separate component from the rigid wall structure and being configured to selectively translate through the at least one opening formed in the respective end wall between a first position and a second position to secure the switch guard about the control switch. | 10-29-2015 |
20150311009 | TRIP LATCH ASSEMBLIES FOR CIRCUIT BREAKERS AND RELATED CIRCUIT BREAKERS - Circuit breakers that include and/or a trip latch assembly that is configured to maintain open and closed energy status of the breaker. The trip latch assembly can include: a first stop cam held on a cam shaft; a second stop cam held on the cam shaft axially spaced apart from the first stop cam; a drive cam held on the cam shaft; a trip-open latch held on a trip latch shaft, (typically above) in cooperating alignment with the first stop cam; a trip-close latch held on the trip latch shaft above and in cooperating alignment with the second stop cam; a follower residing below and in communication with the drive cam; and a linkage attached to the follower and to a main shaft to open and close the breaker responsive to the position of the drive cam. | 10-29-2015 |
20150311005 | CIRCUIT BREAKERS WITH CLOCK SPRING DRIVES AND/OR MULTI-LOBE DRIVE CAMS AND RELATED ACTUATORS AND METHODS - Spring operated actuator devices for an electrical circuit breaker and/or electrical switching device include at least one clock spring comprising a disc shaped body with gear teeth and a spiral spring, a cam shaft holding the at least one clock spring with an inner end portion of the spiral spring attached to the cam shaft, and a drive cam held by the cam shaft adapted to be in communication with a follower that directs an actuator to open or close a mobile contact to maintain open and closed energy status of the electrical circuit. The at least one clock spring is configured as a closing spring of the spring operated actuator. | 10-29-2015 |
20150310719 | APPARATUS INCLUDING ELECTRODES, A RECTIFIER OR CIRCUIT, AND AN ILLUMINATED OR NON-ILLUMINATED INDICATOR FOR VISUAL INDICATION OF ENERGIZED ELECTRICAL CONDUCTORS - An apparatus is for visual indication of an energized state of electrical conductors. The apparatus includes two electrodes structured to capacitively couple to two energized electrical conductors, respectively, in order to harvest an electric field. A rectifier is powered from one or both of the two electrodes. An illuminated indicator or a non-illuminated indicator is powered from the rectifier. | 10-29-2015 |
20150303010 | A VACUUM INTERRUPTER AND A VACUUM CIRCUIT BREAKER HAVING THE SAME - In the present invention a vacuum interrupter is provided, comprising: a housing; a fixed contact received in the housing; a movable contact received in the housing and configured to be movable to engage with or disengage from the fixed contact; a conductive seat fixedly mounted in the housing and configured to maintain an electrical connection with the movable contact; a flexible electrical connection feature received in the housing for connecting the movable contact with the conductive seat; and an operating mechanism for actuating the movement of the movable contact. In the present invention a vacuum circuit breaker having the above-mentioned vacuum interrupter is also provided. | 10-22-2015 |
20150296639 | MOTOR CONTROL CENTER UNITS INCLUDING AUXILIARY POWER INTERLOCK CIRCUITS AND METHODS OF OPERATING SAME - A motor control center (MCC) unit for installation in a compartment of an MCC includes a frame, a bus contact assembly supported by the frame and comprising at least one moveable bus contact configured to releasably engage at least one power bus of the MCC, an auxiliary power input supported by the frame and configured to be connected to an external power source, and a control circuit supported by the frame. The MCC unit further includes an interlock circuit configured to selectively couple the control circuit to the at least one bus contact and the auxiliary power input responsive to positioning of the at least one bus contact. The interlock circuit may be configured to prevent power flow between the control circuit and the auxiliary power input when the at least one bus contact is engaged with the power bus. | 10-15-2015 |
20150294825 | CURRENT DIRECTION SENSITIVE CIRCUIT INTERRUPTER - A circuit interrupter includes a first terminal, a second terminal, separable contacts moveable between a closed position and an open position, an operating mechanism configured to open said separable contacts, an electromagnetic element electrically connected between the first terminal and the second terminal and cooperating with said operating mechanism, and a diode electrically connected between the first terminal and the second terminal and in parallel with the electromagnetic element. When a current flowing through the circuit interrupter flows in a first direction from the first terminal toward the second terminal, the current flows through the diode. When the current flowing through the circuit interrupter flows in a second direction from the second terminal toward the first terminal, the current flows through the electromagnetic element. | 10-15-2015 |
20150294811 | Multi-Purpose Mounting for an Electrical Switching Apparatus - A multi-purpose mounting assembly is provided. The multi-purpose mounting assembly is structured to be disposed in an electrical switching apparatus housing assembly. The multi-purpose mounting assembly includes a body defining a first mounting assembly and a second mounting assembly. The first mounting assembly includes a first mounting construct. The second mounting assembly includes a second mounting construct. The first mounting construct is structured to support a first electrical component. The second mounting construct is structured to support a second electrical component. | 10-15-2015 |
20150293549 | LOAD PANEL SYSTEM - A load panel system includes a load panel having an enclosure; a plurality of circuit interrupters within the enclosure of the load panel; and a processor within the enclosure of the load panel. The processor includes a first communication medium structured to communicate first information to or from outside of the enclosure of the load panel, a second communication medium structured to communicate second information to or from the circuit interrupters within the enclosure of the load panel, and a non-volatile memory. The processor inputs a number load panel algorithms to the non-volatile memory after installation of the load panel and the processor in the load panel system. The processor executes the number of load panel algorithms employing at least the second information. | 10-15-2015 |
20150292568 | CLUTCH BACKER PLATE WITH RECESSED RIVETS - A driven disc assembly is provided wherein a clutch disc has enlarged holes for connection of opposing backing plates. The backing plates have semi-pierced sections that are insertable within mounting holes of the clutch disc. The thickness of the backing plates are enlarged from their normal thickness causing a top surface of the backing plates to axially clear heads of conventional rivets. The thickness of the friction buttons on the backing plates can then be reduced to their minimal effective use thickness. | 10-15-2015 |
20150292566 | DUAL TORQUE BAR DRUM ELEMENT - A constricting clutch brake element is operable to selectively transmit mechanical power between relatively movable rotating members. A plurality of backing plates are movably mounted and selectively movable radially on an annular body of the clutch brake element. The backing plates engage a plurality of friction linings. Each backing plate is configured for usage with different numbers of torques bars to meet different torque carrying capacities, all within the same envelope size. The configuration also allows plural torque bars to be relatively positioned so that they can engagingly guide the backing plate during its radial movement. | 10-15-2015 |
20150288362 | CONTACTLESS ROTARY PULL SWITCH - A contactless rotary pull switch includes a switch knob assembly rotatable about an axis to a plurality of rotational positions and actuatable to at least one pull position, with the switch knob assembly including a knob element and a rotational shaft fixedly coupled thereto. A rotational magnet is coupled to the rotational shaft so as to rotate therewith, and at least one pull magnet is positioned separately from the rotational magnet. A rotational sensor senses a magnetic field generated by the rotational magnet to identify a rotational position of the switch knob assembly and at least one pull sensor senses a magnetic field generated by the pull magnet(s) to identify a pull position of the switch knob assembly. A rotatable arm member selectively enables/inhibits sensing of the magnetic field generated by the pull magnet(s) by the at pull sensor(s), to identify distinct pull positions of the switch knob assembly. | 10-08-2015 |
20150288165 | FAULT DETECTION AND ZONE LOCATION SYSTEM - A method of protecting a power distribution system from a fault on a feed conductor thereof, wherein an HFAC signal is provided to the feed conductor from a location downstream of the feed conductor in the power distribution system. The method includes, in a module located upstream of the feed conductor in the power distribution system, determining an HFAC signal magnitude in the module, the module including a circuit interrupter, and controlling operation of the circuit interrupter based on the determined magnitude. | 10-08-2015 |
20150288092 | Consolidated Universal Low Profile Marine Power Outlet - A marine power outlet assembly is described herein. The assembly comprising: a plurality of electrical power outlets with a plurality of wiring; a front cover providing protection and rain resistance to a plurality of wiring of the plurality of electrical power outlets; a plurality of fasteners securing the front cover to the assembly and positioning the front cover for providing access to the plurality of the wiring of the plurality of electrical power outlets. | 10-08-2015 |
20150287564 | Remote Fuse Operation Indicator Assemblies and Related Systems and Methods - A fuse operation indicator assembly includes an elongate tube having first and second ends, a fuse striker receiving member at the first end of the tube and configured to receive a fuse striker, an actuating member at the second end of the tube and configured to be actuated responsive to the fuse striker member, and a detector configured to detect actuation of the actuating member. | 10-08-2015 |
20150287554 | ELECTRICAL SWITCHING APPARATUS AND DAMPENING ASSEMBLY THEREFOR - A dampening assembly is for an electrical switching apparatus, such as a circuit breaker. The electrical switching apparatus includes a housing, separable contacts enclosed by the housing, and an operating mechanism structured to open and close the separable contacts. The dampening assembly includes a D-shaft pivotably coupled to the housing, and an anti-bounce assembly. The anti-bounce assembly includes a first element coupled to the housing, and a second element, such as an elongated resilient pin member, which is adapted to cooperate with the D-shaft to resist undesired movement of the D-shaft. The D-shaft has opposing first and second ends and a recess disposed between the first end and the second end. A portion of the elongated resilient pin member is disposed in the recess. | 10-08-2015 |
20150284265 | ULTRAVIOLET FLUID TREATMENT SYSTEM - A reactor for UV sterilization having an array of UV-C tubes in a pressure vessel with an inlet at one end of the tubes and an outlet at the opposite end. An orifice plate baffle is disposed between the inlet and the proximate end of the UV tubes. Diffusers may be disposed about the UV tubes in the form of lobed rods or a strip having helically spiraled or twisted surfaces. | 10-08-2015 |
20150280379 | Assemblies for Selectable Mounting of Power Input Cables and Related Systems and Methods - An electrical device assembly includes an electrical device and a power input member. The electrical device includes an end portion having a cavity with a mounting surface at a distal portion of the cavity. The power input member includes a body and a power input cable extending from the body. The body has a plurality of faces including first and second mounting faces. The cavity is sized and configured to receive the power input member body: in a first position with the first mounting face facing the mounting surface and with the power input cable extending away from the electrical device in a first direction; and in a second position with the second mounting face facing the mounting surface and with the power input cable extending away from the electrical device in a second direction that is different from the first direction. | 10-01-2015 |
20150279604 | Trip Unit Strain Relief - A circuit breaker is described herein. The circuit breaker comprising: a first plurality of electrical wires to the circuit breaker; a strain relief connecting the plurality of electrical wires to the circuit breaker; a securing mechanism attaching the strain relief to the circuit breaker; and a plurality of tethers attached to the circuit breaker positioned over the strain relief. | 10-01-2015 |
20150276880 | SYSTEM AND METHOD FOR DETECTING, LOCALIZING, AND QUANTIFYING STATOR WINDING FAULTS IN AC MOTORS - A system and method for detecting, localizing and quantifying stator winding faults in AC electrical machines is disclosed. A diagnostic system configured to detect a stator winding fault in an AC electrical machine includes a processor programmed to receive measurements of three-phase voltages and currents provided to the AC electrical machine from voltage and current sensors associated with the electrical distribution circuit, compute positive, negative and zero sequence components of voltage and current from the three-phase voltages and currents, and calculate a fault severity index (FSI) based on at least a portion of the positive, negative and zero sequence components of voltage and current, wherein calculating the FSI further comprises identifying a voltage gain in one or more phases of the AC electrical machine due to a stator winding fault and localizing the stator winding fault to one or more phases in the AC electrical machine. | 10-01-2015 |
20150276827 | SYSTEM AND METHOD FOR DETECTING, LOCALIZING AND QUANTIFYING EXCESS VOLTAGE DROP IN THREE-PHASE AC CIRCUITS - A system and method for detecting and localizing excess voltage drop in single or multiple phases of three-phase AC circuits is disclosed. An electrical distribution circuit is provided that includes an input connectable to an AC source, an output connectable to terminals of an electrical machine, the output configured to provide three-phase voltages and currents to the electrical machine, and a diagnostic system configured to detect an excess voltage drop (EVD) in the electrical distribution circuit. The diagnostic system includes a processor that is programmed to receive measurements of the three-phase voltages and currents provided to the electrical machine, compute a negative sequence voltage from the three-phase voltages and currents, determine a localization reference phase angle for each phase based in part on the three-phase voltages and currents, and calculate an EVD in the electrical distribution circuit based on the negative sequence voltage and the localization reference phase angles. | 10-01-2015 |
20150276813 | DATA DECIMATION SYSTEM AND METHOD FOR FACILITATING TRANSMISSION AND VIEWING OF WAVEFORMS GENERATED BY AN ELECTRICAL DEVICE - A method of providing data relating to an electrical device to a client device having a certain, known pixel resolution includes receiving raw waveform data generated by a metering device in response to an event related to operation of the electrical device, the raw waveform data having a total number of data points and a waveform cycle time associated therewith, determining whether the raw waveform data should be decimated based on the total number of data points and the pixel resolution, responsive to determining that the raw waveform data should be decimated, generating decimated waveform data from the raw waveform data using the pixel resolution and the waveform cycle time. And sending the decimated waveform data to the client device. | 10-01-2015 |
20150271936 | ELECTRICAL SYSTEM AND SENSOR ATTACHMENT ASSEMBLY AND METHOD THEREFOR - A sensor attachment assembly for an electrical system includes a sensor housing at least partially enclosing a sensor, and a fastening member coupled to the sensor housing and being structured to extend from one portion of the sensor housing, around a corresponding electrical conductor of the electrical system and attach to another portion of the sensor housing, in order to removably attach the sensor to the electrical conductor. | 09-24-2015 |
20150271909 | FLEXIBLE CIRCUIT ROGOWSKI COIL - A flexible circuit current measuring apparatus includes a flexible substrate member having a top side and a bottom side, a plurality of first conductive traces disposed on the top side of the flexible substrate member and spaced along a length of the flexible substrate member, and a plurality of second conductive traces disposed on the bottom side of the flexible substrate member and spaced along the length of the flexible substrate member. The first conductive traces and the second conducive traces are electrically connected to one another to form a serpentine pattern having a number of windings about and along the flexible substrate member, and the current measuring apparatus is structured to be wrapped around a conductor for measuring a current carried by the conductor. | 09-24-2015 |
20150268071 | PIEZOELECTRIC SENSOR ASSEMBLY, AND SENSOR ATTACHMENT ASSEMBLY AND ELECTRICAL SYSTEM EMPLOYING SAME - A piezoelectric sensor assembly is for an electrical system. The electrical system includes a sensor attachment assembly and a number of electrical conductors. The sensor attachment assembly includes a sensor housing and a fastening member for fastening the sensor housing to a corresponding one of the electrical conductors. The piezoelectric sensor assembly includes a processor enclosed by the sensor housing, a piezoelectric sensor element, a wiring assembly electrically connecting the piezoelectric sensor element to the processor, an insulating member coupled to the piezoelectric sensor element and being structured to extend outwardly from the sensor housing to engage the corresponding one of the electrical conductors, and a mounting enclosure structured to mount the piezoelectric sensor element and the insulating member to the sensor housing. | 09-24-2015 |
20150262767 | CRADLE ASSIST DEVICES AND RELATED KITS AND METHODS - Cradle-assist assemblies attached to the breaker cradle housing and/or base or residing at least partially in the breaker cradle housing and/or base include at least one actuator configured to laterally translate the at least one right and the at least one left lock members from the extended lock position to the retracted unlocked position in response to input from a user. The at least one actuator and/or transverse member(s) can be held in a defined position so that the lock members of the cradle can be locked in the respective retracted or extended positions until the cradle assist (internal) lock is manually or automatically released. | 09-17-2015 |
20150260234 | BRACKET BARB PRESSURE PLATE STOP - A dry friction clutch for connecting a transmission with a flywheel of an engine is provided. The clutch includes a bracket having a main body axially spaced from an engine flywheel. The bracket is torsionally connected to the flywheel. The bracket has a generally U-shaped cross section with a main body connected with generally axially extending side walls. An axially movable pressure plate is torsionally connected with the bracket. The pressure plate is axially movable within the bracket. A friction disc is provided having a connection with an input shaft of a transmission. The friction disc is axially positioned between the flywheel and the pressure plate. A release assembly is provided including a spring for urging the pressure plate toward the flywheel. The bracket side walls have inward positioned barbs to axially limit travel of the pressure plate. | 09-17-2015 |
20150255980 | Electrical Surge Protection Device - An electrical surge protection device is structured to be installed on an electrical enclosure and to be electrically connected between one or more line conductors and one or more ground or neutral conductors. The electrical surge protection device includes a support that is structured to be installed on the electrical enclosure and a number of varistors or other electrical components that will, in the event of a voltage surge on a line conductor, shunt electrical energy from the voltage surge to the ground or neutral conductor with which it is connected. The electrical surge protection device advantageously further includes a shield apparatus that is structured to restrain an increased ambient pressure and that is electrically conductive and is electrically connected with the ground or neutral conductor | 09-10-2015 |
20150255965 | MOTORIZED RACKING ASSEMBLY - A racking assembly for an electrical apparatus is provided. The racking assembly includes a movable carriage assembly and a drive assembly. The movable carriage assembly is sized to fit within a housing assembly and is structured to be moved between a first position and a second position. The carriage assembly is further structured to support at least one electrical component. The drive assembly includes a motor assembly and a positioning assembly. The motor assembly is structured to impart movement to said positioning assembly. The motor assembly is coupled to said positioning assembly. The positioning assembly is structured to impart movement to said carriage assembly and to move said carriage assembly from said first position to said second position. The positioning assembly is coupled to said carriage assembly. In this configuration, the racking assembly is structured to move the carriage assembly, and therefore the electrical apparatus, between the first and second positions. | 09-10-2015 |
20150255964 | DRIVE ASSEMBLY FOR AN ELECTRICAL SWITCHING APPARATUS RACKING ASSEMBLY - A drive assembly for an electrical switching apparatus racking assembly is provided. The drive assembly includes a positioning assembly, a motor assembly, and a control assembly. The positioning assembly is structured to impart movement to said carriage assembly and to move said carriage assembly from said first position to said second position. The motor assembly is structured to impart movement to said positioning assembly. The control assembly is structured to control said motor assembly. The control assembly is in electronic communication with the motor assembly. The motor assembly is operatively coupled to the positioning assembly. | 09-10-2015 |
20150249328 | ADJUSTABLE WIREWAY ASSEMBLY, METHOD OF EMPLOYING, AND ENCLOSURE EMPLOYING THE SAME - An adjustable wireway assembly for use in an electrical enclosure includes a panel structured to form a portion of the electrical enclosure, the panel having a first aperture defined therein. The assembly further includes a plate member selectively coupled to the panel about a portion of the first aperture in at least one of a first position and a second position in a manner that blocks at least a portion of the first aperture and thereby defines a second aperture formed from a portion of the first aperture. When coupled in the first position, the second aperture is of a first area and when coupled in the second position, the second aperture is of a second area different than the first area. | 09-03-2015 |
20150244153 | LOAD CENTER AND SWITCHGEAR MOUNTING ASSEMBLY THEREFOR - A switchgear mounting assembly for a load center includes a base assembly, an electrical bus assembly, and a bracket. The base assembly includes a base and a central protrusion extending outwardly from the base. Bus bars are electrically connected and mechanically coupled to the central protrusion and include stabs, which extend radially outwardly from the central protrusion. The bracket is coupled to the central protrusion and includes supporting elements. Each supporting element maintains a corresponding electrical switching apparatus in electrical communication with a corresponding one of the stabs. The switchgear mounting assembly is therefore structured to mount the electrical switching apparatus in a radial array extending around the central protrusion. | 08-27-2015 |
20150243464 | CIRCUIT PROTECTION APPARATUS AND METHOD OF SETTING TRIP PARAMETERS THEREOF - A circuit protection apparatus includes separable contacts, an operating mechanism, an electronic trip unit storing a plurality of trip parameter combinations, wherein each of the trip parameter combinations specifies a certain value for each of a plurality of individual trip parameters, and a multi-position selector moveable among a plurality of predetermined positions and configured to enable selection of one of the predetermined positions. Each of the positions corresponds to a respective one of the trip parameter combinations, wherein the electronic trip unit is structured to, responsive to a chosen one of the plurality of predetermined positions being selected by the multi-position selector, cause the one of the trip parameter combinations corresponding to the chosen one of the plurality of predetermined positions to be used by the electronic trip unit to determine whether to cause the operating mechanism to trip open the separable contacts. | 08-27-2015 |
20150240764 | LIQUID TRAP WITH INTEGRAL JET PUMP - An assembly is provided that integrates a jet pump with a liquid trap to drain liquid fuel from vapor flow, such as vapor vented from a fuel tank. The assembly includes a housing that has a liquid trap configured to trap liquid carried in vapor flowing through the housing. A jet pump has a venturi nozzle and is in selective fluid communication with the liquid trap so that liquid flow through the venturi nozzle induces draining of the liquid trap. | 08-27-2015 |
20150236496 | ELECTRONIC CIRCUIT AND LOW VOLTAGE ARC FLASH SYSTEM INCLUDING AN ELECTROMAGNETIC TRIGGER - An electronic circuit includes a number of sensors structured to detect an arc flash from an uncontrolled arcing fault, and a trigger circuit, responsive to the detected arc flash, structured to trigger a triggering mechanism and cause a breakdown of a number of gaps within a low voltage arc flash switch. | 08-20-2015 |
20150236495 | LOW VOLTAGE ARC FLASH SWITCH - A low voltage arc flash switch includes a sealed housing and gas insulation within the sealed housing. A plurality of conductors include a number of gaps therebetween within the sealed housing. A triggering mechanism is structured to cause a breakdown of the number of gaps. | 08-20-2015 |
20150233974 | METER OR DISPLAY DEVICE FOR CALCULATION AND DISPLAY OF ARC FLASH INCIDENT ENERGY - A meter or display device for at least one power circuit zone. The device includes a processor having a plurality of dynamic inputs, a routine and an output. The routine is structured to input the dynamic inputs, calculate incident energy of one power circuit zone of the at least one power circuit zone, and output the output. A display is structured to display at least the calculated incident energy from the output of the processor. | 08-20-2015 |
20150221458 | DISCONNECT OPERATING HANDLES SUITABLE FOR CIRCUIT BREAKERS AND RELATED BUCKET ASSEMBLIES - Disconnect operating handles for circuit breakers are configured with a rotary handle attached to an inwardly oriented shaft that connects to a gear assembly that translates rotational input to linear input. The disconnect operating handles include pivoting lockout levers that automatically “pop” out to expose the lockout space for a padlock when a user touches the lever in an appropriate location. | 08-06-2015 |
20150214779 | THREE-SOURCE AUTOMATIC REDUNDANT BYPASS-ISOLATION SWITCHES AND RELATED POWER SYSTEMS AND METHODS - Power systems include a housing and an automatic transfer switch (ATS switch) held in the housing, a Bypass switch held in the housing and a control circuit in communication with the ATS switch and the Bypass switch to automatically direct the Bypass switch and the ATS switch to carry out the selective connections to thereby allow automated, redundant power transitions to the system load from three different power sources. | 07-30-2015 |
20150206677 | VACUUM INTERRUPTER WITH ARC-RESISTANT CENTER SHIELD - The disclosed concept pertains to alloy compositions, methods and arc-resistant shields composed of the alloy compositions. The arc-resistant shields are positioned in vacuum interrupter chambers and demonstrate resistance to arc damage and ability to hold off high voltages after arcing, while providing a lower cost alternative to traditional alloy compositions used for producing arc-resistant shields. In certain embodiments, the alloy compositions include copper and/or an element chemically compatible to copper and another component, such as but not limited to, iron, stainless steel, niobium, molybdenum, vanadium, tungsten carbide, chromium carbide, vanadium carbide and chromium, and alloys and mixtures thereof. | 07-23-2015 |
20150203056 | VEHICLE CONTROL SWITCH WITH CAPACITIVE TOUCH REDUNDANCY ACTUATION - A vehicle control switch for controlling operation of a device in a motor vehicle is disclosed. The vehicle control switch includes an electromechanical switch switchable between ON and OFF states responsive to physical actuation of the electromechanical switch by an operator, the physical actuation comprising an application of force onto the electromechanical switch by the operator. The vehicle control switch also includes a capacitance sensitive touch sensor positioned adjacent the electromechanical switch and whose capacitance changes when brought into contact with a grounded object, with activation of the electromechanical switch into the ON state being inhibited until a grounded object is brought into contact with the capacitance sensitive touch sensor, such that an activation of the rocker switch to the ON state is enabled only upon contact with the capacitance sensitive touch sensor by the grounded object. | 07-23-2015 |
20150200525 | POWER DISTRIBUTION SYSTEM, AND SWITCHGEAR ASSEMBLY, AND MOUNTING MEMBER THEREFOR - A mounting member for a switchgear assembly is provided. The switchgear assembly includes a mounting element, an electrical switching apparatus having a number of terminals and being coupled to the mounting element, a metering module having a number of terminals and being spaced from the electrical switching apparatus, a number of electrical conductors electrically connecting the terminals of the metering module to the terminals of the electrical switching apparatus, and a support member adjacent the electrical switching apparatus. The mounting member includes a base portion structured to retain the metering module; a number of coupling portions structured to couple the mounting member to the support member; and a number of directing portions, each directing portion being structured to receive a corresponding one of the electrical conductors. | 07-16-2015 |
20150184470 | PLUNGER-TYPE WIRE RISER TENSIONER - Certain types of riser tensioner arrangements include a high-pressure accumulator; a pusher-type hydraulic cylinder; a first flow path coupling the high-pressure accumulator with a first volume of the cylinder to enable a first high-pressure fluid to flow therebetween; and a second flow path coupling the high-pressure accumulator with a second volume of the cylinder to enable a second high-pressure fluid to flow therebetween. The piston includes a seat and a hollow extension that defines part of the second volume of the cylinder. | 07-02-2015 |
20150180281 | ELECTROHYDRAULIC GENERATOR SYSTEMS AND METHODS - A system includes a generator configured to be coupled to a power input of an uninterruptible power supply (UPS), an engine, a hydraulic motor and a mechanical coupling mechanism configured to selectively couple the engine and the hydraulic motor to the generator. The system further includes a hydraulic accumulator and a valve configured to fluidically couple the hydraulic accumulator to the hydraulic motor. A control circuit is configured to control the valve, the mechanical coupling mechanism and the engine in conjunction with the UPS to supply power to the UPS. | 06-25-2015 |
20150180275 | AUTOMATIC TRANSFER SWITCH (ATS) BYPASS SWITCH - An ATS bypass switch includes a draw-out ATS switch; a bypass switch; and a processor structured to automatically control both of the draw-out ATS switch and the bypass switch. | 06-25-2015 |
20150179380 | D/C TRIP ASSEMBLY - A D/C trip assembly for a circuit breaker is provided. The D/C trip assembly includes a magnet, a mounting assembly and an armature assembly. The mounting assembly includes a body, the mounting assembly body including a pivotal coupling. The armature assembly includes a magnetic body and a trip bar linkage, the trip bar linkage extending from the armature assembly body. The armature assembly body is structured to move between a first position, wherein the armature assembly body is close to the magnet, and a second position, wherein the armature assembly body is spaced from the magnet. The trip bar linkage is structured to move between a first position and a second position, the trip bar linkage positions corresponding to the armature assembly body positions. The trip bar linkage is structured to be coupled to a trip bar. | 06-25-2015 |
20150177288 | METERING APPARATUS FOR LOAD CENTERS - An apparatus includes a housing configured to be mounted at a breaker position of a load center and supporting at least one electrical connector configured to be electrically coupled to a bus bar of the load center. A graphical display is disposed at a face of the housing. A control circuit is disposed in the housing, electrically coupled to the at least one electrical connector and configured to control the graphical display. The control circuit may be further configured to be coupled to an external sensor, such as a current sensor. The control circuit may be configured to perform an electrical measurement and to display a result of the measurement on the graphical display. | 06-25-2015 |
20150177172 | METHODS AND SYSTEMS FOR MEASURING HOSE RESISTANCE - Systems and methods for detecting degradation and failures, include types of failures, in a hose assembly are disclosed. One system includes a hose degradation monitoring circuit having a hose assembly including a hose having first and second conductive layers, and a degradation monitoring circuit configured to detect a resistance of the hose across the conductive layers. The degradation monitoring circuit includes a voltage source electrically connected to the first conductive layer, and a resistor electrically connected between the second conductive layer and ground. The degradation monitoring circuit further includes a voltage monitoring circuit electrically connected between the resistor and the second conductive layer, to periodically monitor a voltage at the location and detect a possible failure of the hose assembly upon determining that, based at least in part on a change in the voltage at the location over time, a resistance of the hose assembly has passed a threshold level. | 06-25-2015 |
20150176607 | UNINTERRUPTIBLE POWER SUPPLY SYSTEMS USING ELECTROHYDRAULIC ENERGY STORAGE - A power supply system includes an inverter configured to be coupled to a load and an energy storage device, such as one or more capacitors, coupled to a DC input of the inverter. The power supply system further includes an electrohydraulic energy storage system configured to be coupled to the load and including a hydraulic accumulator, a generator, and a hydraulic motor mechanically coupling the generator and the hydraulic accumulator, along with a control circuit configured to control the electrohydraulic energy storage system responsive to a state of an AC power source coupled to the load. | 06-25-2015 |
20150175148 | CONTROL STRATEGY FOR AWD CONNECTION AND DISCONNECTION - The invention relates to switching between 2WD and 4WD of a vehicle. It is suggested to increase output power of an engine ( | 06-25-2015 |
20150174513 | SELF PURGE FILTRATION APPARATUS FOR DISCHARGE TO SUBATMOSPHERIC CONDITIONS - A self-purging filtering apparatus having a pressure vessel connected for discharging clean filtrate to subatmospheric pressure at a pump inlet. Actuators connected to an outwardly extending rod move a wiper piston to scrub the upstream side of an annular filter media element. The piston moves a main valve member to isolate a purge chamber from the filtering chamber. Remotely operated valves control flushing of the purged chamber. The main valve has a bleed valve to provide pressure equalization for facilitating main valve movement. | 06-25-2015 |
20150162739 | SURGE PROTECTION APPARATUS HAVING MULTIPLE SURGE PROTECTION DEVICES AND DISPLAY - A surge protection apparatus includes a first surge protection device ( | 06-11-2015 |
20150162157 | SYSTEM AND METHOD FOR ADJUSTING THE TRIP CHARACTERISTICS OF A CIRCUIT BREAKER - An electrical system includes (1) a distributed power source device structured to generate: (i) AC power, and (ii) a signal indicating an amount of current being produced by the distributed power source device, and (2) a circuit breaker having set trip characteristics coupled to distributed power source device, wherein the circuit breaker is structured to receive the signal and adjust the set trip characteristics (e.g., the trip curve) based on at least the signal from the distributed power source device. | 06-11-2015 |
20150160268 | BI-DIRECTIONAL DIRECT CURRENT SENSING CIRCUIT AND CURRENT SENSING ASSEMBLY INCLUDING THE SAME - A current sensing assembly includes a conductor, first and second magnetic sensors disposed proximate to opposite sides of the conductor and being structured to output first and second voltage signals, a current direction detector circuit structured to detect a direction of a current flowing through the conductor, a switching circuit having first and second outputs and being structured to switch between a first condition where the first voltage signal is output to the first output and the second voltage signal is output to the second output and a second condition where the first voltage signal is output to the second output and the second voltage signal is output to the first output based on the switching signal, and an output circuit including a differential amplifier structured to amplify a voltage difference between the first and second voltage signals and to output the amplified voltage difference. | 06-11-2015 |
20150160267 | CURRENT SENSING ASSEMBLY EMPLOYING MAGNETIC SENSORS - A current sensing assembly includes a conductor having a first side, a second side opposite the first side, a third side, and a fourth side opposite the third side. The first side has a first notch formed therein and the second side has a second notch formed therein opposite the first notch. The current sensing assembly also includes a sensor assembly including a first magnetic sensor disposed in the first notch or proximate to the third side of the conductor between the first and second notches, and a second magnetic sensor disposed in the second notch or proximate to the fourth side of the conductor between the first and second notches. | 06-11-2015 |
20150159704 | CLUTCH BACKER PLATE WITH RECESSED RIVETS - A driven disc assembly is provided. The backing plates have right angle depression sections that surround mounting holes of a clutch disc. The thickness of the backing plates are enlarged from their normal thickness causing a top surface of the backing plates to axially clear heads of conventional rivets. The thickness of the friction buttons on the backing plates can then be reduced to their minimal effective use thickness. | 06-11-2015 |
20150158522 | STEERED WHEEL VISUAL FEEDBACK SYSTEM FOR VARIABLE RATE STEERING SYSTEMS - A steering control system is for use on a vehicle having an operator station including a steering wheel that is turned by an operator of the vehicle to cause a steered wheel of the vehicle to pivot relative to a main body. The steering control system includes a hydraulic cylinder for changing a steered position of the steered wheel in response to movement of the steering wheel. The steering control system also includes a hydraulic circuit arrangement that varies a volume of hydraulic fluid flow provided to the hydraulic cylinder per degree of rotation of the steering wheel based on a rotational speed of the steering wheel. The hydraulic circuit arrangement directs a first volume of hydraulic fluid to the hydraulic cylinder per degree of rotational movement of the steering wheel when the steering wheel is rotated at a first rotational speed, and directs a second volume of hydraulic fluid to the hydraulic cylinder per degree of rotational movement of the steering wheel when the steering wheel is rotated at a second rotational speed. The second rotational speed is larger than the first rotational speed and the second volume of hydraulic fluid being larger than the first volume of hydraulic fluid, wherein the steering control system is more sensitive when the steering wheel is rotated at the second rotational speed than the first rotational speed. The system also includes a sensor for sensing the steered position of the steered wheel, a display positioned at the operator station, the display providing an indication of the steered position of the steered wheel, and a controller that interfaces with the hydraulic circuit arrangement, the sensor and the display. | 06-11-2015 |
20150153213 | VISUAL INDICATOR WITH SENSOR - A fluid level gauge includes a housing having a first end and a second end, and a window disposed in the housing, proximate to the first end. The fluid level gauge further includes an optical sensor disposed in the housing, proximate to the second end. A prism is disposed in the housing, between the optical sensor and the window, such that the prism and the window define a fluid chamber therebetween. The housing further includes a plurality of through holes that provides a fluid path from outside the housing to the fluid chamber. | 06-04-2015 |
20150152961 | METHOD AND APPARATUS OF PREVENTING UNINTENDED GEAR SELECTION IN A COMPOUND TRANSMISSION - A compound transmission includes a protection mechanism, the mechanism includes a shift selector and a valve coupled to a first rail and, when the shift selector is positioned on the first rail, the valve is caused to be in a first position that allows shifting the transmission to a deep range operation. | 06-04-2015 |
20150144745 | CONDUIT APPARATUS USABLE WITH ELECTRICAL ENCLOSURE APPARATUS - An improved conduit apparatus in accordance with the disclosed and claimed concept includes one or more conduits that each enclose therein an electrical conductor that carries a phase of a multi-phase electrical supply. The conduits are connected to the walls of the electrical enclosures with an attachment apparatus that extends between the conduits and the walls of the electrical enclosures. A clamp apparatus retains the electrical conductors in a state of tension within an interior region of the conduits in a position spaced from the walls of the conduits. | 05-28-2015 |
20150144597 | CIRCUIT BREAKER WITH LOW-CLEARANCE CONNECTIONS - A vacuum circuit breaker includes a frame and a vacuum interrupter supported by the frame. A control wiring harness exits from an opening in a top face of a housing portion of the frame and a terminal block is disposed on the top face of the housing portion and includes first terminals connected to wires of the control wiring harness and second terminals configured to be connected to external wires. | 05-28-2015 |
20150144474 | Electrical Switching Apparatus and Opening Assembly Therefor Having Engagement Lug - An opening assembly is provided for an electrical switching apparatus having a housing, separable contacts enclosed by the housing, and an operating mechanism for opening and closing the separable contacts. The operating mechanism includes a poleshaft. The opening assembly includes a spring link comprising a first portion structured to be pivotably coupled to the poleshaft, and a second portion disposed generally opposite of the first portion. A number of opening springs each include a stationary end coupled to the housing, and a movable end coupled to the second portion of the spring link. The spring link is movable between an open position, wherein the opening springs bias the spring link and poleshaft to maintain full separation of the separable contacts, and a closed position, wherein the opening springs either do not bias the poleshaft or bias the poleshaft with a low level of torque. | 05-28-2015 |
20150144204 | VALVE ASSEMBLY FOR A TANK OF A VEHICLE - A valve assembly for a tank of a vehicle is disclosed. A valve body is adapted to be attached to the tank. A seat is disposed inside the valve body and defines an outlet for venting the tank. A float is disposed inside the valve body and is movable between a first position and a second position relative to the valve body in response to a liquid fluid level inside the tank. A support is coupled to the float and is movable with the float between the first and second positions. A sealing member is attached to the support and has an engagement portion supported by a base to define a space between the engagement portion and the support to allow movement of the engagement portion between an initial position when in the first position and a displaced position when in the second position. | 05-28-2015 |
20150143987 | COMBINED HYDRAULIC/PNEUMATIC ACTUATION SYSTEM WITH INTERNAL PNEUMATIC PISTON - A combined hydraulic and pneumatic actuation system including a cylinder, a first piston, and a second piston. The cylinder may include a first cylinder portion configured to hold or retain a first fluid and a second cylinder portion configured to hold or retain a second fluid. The first piston can be operatively coupled or in fluid communication with the first fluid, and the second piston can be operatively coupled or in fluid communication with the second fluid. The second piston may be disposed between the first cylinder portion and the second cylinder portion. In an embodiment, the first piston can move or translate axially within the cylinder independently of the second piston, and an increase in pressure in the second cylinder portion can actuate the first piston and the second piston. Further, in embodiments, the first fluid can comprise a liquid, and the second fluid can comprise a gas. | 05-28-2015 |
20150141194 | DIFFERENTIAL HAVING LIGHT WEIGHT BEVEL GEARING - A differential for use in a vehicle drive train having a pair of rotary members including a gear case that is operatively supported in driven relationship with respect to the drive train and a pair of side gears mounted for rotation with a respective one of the rotary members in the gear case. The differential also includes a spider mounted for rotation with the gear case and at least one pair of pinion gears mounted for rotation with the spider and in meshing relationship with the side gears. The side gears have concave teeth flanks and the pinion gears have convex teeth flanks to increase power density through the differential. | 05-21-2015 |
20150136740 | ARC BAFFLING DEVICE - An arc baffle includes a first baffle member having a number of first venting holes disposed therein, each being structured to receive ionized gases produced by an arcing event; a second baffle member having a number of second venting holes disposed therein; a section of porous material disposed between the first baffle member and the second baffle member; and a cover disposed adjacent the second baffle member on the opposite side of the section of porous material. The first venting holes are laterally spaced from the second venting holes by a predetermined distance such that ionized gases produced by the arcing event passing through one of the first venting holes must travel at minimum the predetermined distance generally along the section of porous material before passing through one of the second venting holes. | 05-21-2015 |
20150133254 | ELECTRONICALLY ACTUATED LOCKING DIFFERENTIAL HAVING NON-ROTATING STATOR AND ARMATURE - An electronically actuated locking differential for an automotive vehicle includes a gear case, a pair of side gears disposed within the gear case and operatively adapted for rotation with a corresponding pair of axle half shafts, and a lock plate disposed within the gear case and operably associated with one of the side gears and being movable axially relative to the one of the side gears. The electronically actuated locking differential also includes a return spring disposed within the gear case and cooperating with the lock plate to bias the lock plate axially away from one of the side gears and an electronic actuator cooperating with the lock plate, the electronic actuator having a non-rotating stator disposed about a portion of the gear case, an electromagnetic coil associated with the stator, and a non-rotating armature coupled to the lock plate and being axially movable relative to the stator. | 05-14-2015 |
20150133042 | Vent Apparatus For Electrical Enclosure - An improved vent apparatus that is usable with an electrical enclosure includes a vent flap that is movable between a closed position overlying an opening formed in a wall of the electrical enclosure and an open position wherein at least a portion of the vent flap is spaced from the wall. The vent flap may be held in place in the closed position via gravity or through the use of a retainer such as a spring or a frangible structure. The vent flap is a part of a flap apparatus that is formed as a unitary single piece element that may be stamped from sheet metal, for example, and the flap apparatus includes a number of hinge elements that are rollably disposed on an edge of the wall adjacent the opening. | 05-14-2015 |
20150130583 | WIRELESS POWER TRANSFER SYSTEMS CONTAINING FOIL-TYPE TRANSMITTER AND RECEIVER COILS - Wireless power transfer systems include at least one foil-type transmitter/receiver coil with a plurality of turns, which is configured to reduce eddy current losses therein when energized to conduct an alternating current that supports inductive power transfer including coil-to-coil power electrical transfer, inductive heating, etc. The plurality of turns includes at least an outermost turn with a first arcuate-shaped corner having a concave inner surface, which faces an immediately adjacent one of the plurality of turns. The immediately adjacent one of the plurality of turns may also have a second arcuate-shaped corner with a concave inner surface facing an innermost one of the plurality of turns. The first arcuate-shaped corner may have a non-uniform radius of curvature and/or an innermost one of the plurality of turns may have an arcuate-shaped corner, which is a mirror image of the first arcuate-shaped corner when the coil is view in transverse cross-section. | 05-14-2015 |
20150130183 | DOUBLE WALL TUBE ADAPTER AND JOINT - A joint for a double wall tube assembly includes an adapter having an inner wall and an outer wall connected by a web, and a flange extending from the outer wall. The inner wall is configured to receive an inner tube of a double wall tube assembly. The outer wall is configured to be connected to an outer tube of the double wall tube assembly. | 05-14-2015 |
20150124358 | FEEDER POWER SOURCE PROVIDING OPEN FEEDER DETECTION FOR A NETWORK PROTECTOR BY SHIFTED NEUTRAL - A feeder power source for a network power system includes a network transformer having a delta three-phase primary winding and a three-phase secondary winding; a three-phase primary feeder electrically connected to the delta three-phase primary winding; a three-phase secondary bus electrically connected to the three-phase secondary winding; and a three-phase electrical switching apparatus structured to open and close the three-phase primary feeder. A network protector includes a network relay and a three-phase circuit breaker structured to open and close the three-phase secondary bus. A first circuit is electrically connected between at least one phase of the three-phase primary feeder and ground, and is structured to unbalance shunt impedance to the three-phase primary feeder ground. A second circuit detects a shift in system neutral and detects that the three-phase primary feeder is opened by the three-phase electrical switching apparatus. | 05-07-2015 |
20150123752 | REMOTELY OPERABLE ELECTRICAL DISCONNECT APPARATUS - An electrical disconnect apparatus includes a housing having an interior and an exterior, first and second conductors extending from the exterior into the interior, a movable conductor, and an actuator assembly coupled to the housing. The movable conductor has a connected position in which the movable conductor electrically connects the first conductor and the second conductor, and a disconnected position in which the first conductor is electrically disconnected from the second conductor. The actuator assembly is adapted to move the movable conductor between the connected position and the disconnected position, and can be actuated manually or automatically. | 05-07-2015 |
20150118094 | POSITIVE DISPLACEMENT PUMP ASSEMBLY WITH MOVABLE END PLATE FOR ROTOR FACE CLEARANCE CONTROL - A positive displacement pump assembly includes a rotor housing defining a rotor cavity, and an end plate configured to at least partially close one end of the rotor cavity. Rotors are supported on and fixed to rotor shafts and extend through the rotor cavity. A first pair of bearings fixing the rotor shafts to the end plate. A second pair of bearings fixes the rotor shafts to the rotor housing, preventing relative axial movement between the rotor shafts and the rotor housing. The end plate is axially movable with the rotor shafts when the rotor shafts vary in axial length due to thermal fluctuations so that changes in an axial clearance at end faces of the rotors are reduced. | 04-30-2015 |
20150117463 | COMMUNICATION BRIDGE BETWEEN BUS NETWORKS - A communication bridge includes interfaces to interact with first and second communication networks and drivers to operate the first and second interfaces. A first internal memory of the communication bridge contains addresses of devices using the first communication network and a second internal memory contains addresses of devices using the second communication network. First and second master application processors in the communication bridge and are in operable communication with respective interfaces and internal memories. The first master application processor associates an address of a message received from a device on the first communication network with the address of a device on the second communication network to enable transmission of the message thereto. The second master application processor associates an address of a message received from a device on the second communication network with the address of a device on the first communication network to enable transmission of the message thereto. | 04-30-2015 |
20150114934 | BI-DIRECTIONAL DIRECT CURRENT ELECTRICAL SWITCHING APPARATUS INCLUDING SMALL PERMANENT MAGNETS ON FERROMAGNETIC SIDE MEMBERS AND ONE SET OF ARC SPLITTER PLATES - An electrical switching apparatus for bi-directional direct current switching and interruption includes separable contacts, an operating mechanism to open and close the contacts, and an arc chute. The arc chute includes two ferromagnetic side members each having a first side and an opposite second side, the first side of a second ferromagnetic side member facing the first side of a first ferromagnetic side member, a first permanent magnet disposed on the first side of the first side member, a second permanent magnet disposed on the first side of the second side member, and a single set of a plurality of arc splitter plates disposed between the permanent magnets. The permanent magnets are substantially smaller in size than each of the side members. The arc chute is divided into two arc chambers each of which is for a corresponding direction of DC flow through the contacts. | 04-30-2015 |
20150112499 | POWER SYSTEM INCLUDING A CIRCUIT PROVIDING SMART ZONE SELECTIVE INTERLOCKING COMMUNICATION - A power system includes main circuit interrupters each having a load output, feeder circuit interrupters, a number of tie circuit interrupters, and a circuit. The circuit is structured to block communication, at least when at least one of the tie circuit interrupters has an open state between a first and a second of the main circuit interrupters, of a zone selective interlocking output of one of the feeder circuit interrupters having a line input electrically connected to the load output of the first main circuit interrupter to a zone selective interlocking input of the second main circuit interrupter, and of a zone selective interlocking output of a different one of the feeder circuit interrupters having a line input electrically connected to the load output of the second main circuit interrupter to a zone selective interlocking input of the first main circuit interrupter. | 04-23-2015 |
20150111679 | LIMITED-SLIP DRIVELINE APPARATUS - The present disclosure relates to a limited-slip driveline apparatus including a first driveline component that is rotatable relative to a second driveline component. The driveline apparatus also includes a clutch configured to resist relative rotation between the first driveline component and the second driveline component at least when the clutch is actuated. The driveline apparatus further includes an actuation arrangement for actuating the clutch. The actuation arrangement includes a hydraulic pump that pumps hydraulic fluid through a hydraulic circuit when relative rotation exists between the first and second driveline components. The hydraulic pressure generated by the hydraulic pump within the hydraulic circuit is used to actuate the clutch. The actuation arrangement also includes a flow regulating valve for regulating a hydraulic fluid flow rate through the hydraulic circuit. The flow regulating valve is configured to prevent the hydraulic fluid flow rate from exceeding a set maximum flow rate regardless of a magnitude of the hydraulic pressure in the hydraulic circuit. | 04-23-2015 |
20150109078 | DIRECT CURRENT SENSING CIRCUIT AND CIRCUIT INTERRUPTER INCLUDING THE SAME - A circuit for sensing a direct current includes a first resistance and a second resistance. A first portion of the direct current flows through the first resistance and a second portion of the direct current flows through the second resistance. The circuit further includes a current sensor having an opening, first and second conductors inductively coupled with the current sensor, and a switching circuit having a pair of switches structured to alternatingly switch in order that the second portion of the direct current alternatingly flows through the first and second conductors. The second portion of the direct current flowing through the first conductor passes through the opening of the current sensor in a first direction and the second portion of the direct current flowing through the second conductor passes through the opening of the current sensor in a second direction opposite to the first direction. | 04-23-2015 |
20150108958 | HYBRID THREE-LEVEL T-TYPE CONVERTER FOR POWER APPLICATIONS - Three-level T-type power converters include a totem-pole arrangement of first and second wide bandgap field effect transistors, which are electrically connected in common at an output node of the converter. A pair of power transistors is provided along with a totem-pole arrangement of first and second capacitors. The power transistors are electrically connected in an opposing series relationship between the output node and a reference node. The first and second capacitors are electrically connected in common at the reference node. The first capacitor has a first terminal electrically connected to a first terminal of the first wide bandgap field effect transistor and the second capacitor has a second terminal electrically connected to a second terminal of the second wide bandgap field effect transistor. | 04-23-2015 |
20150107970 | HYBRID HANDLE TIE - Apparatus are described herein that provide a circuit breaker handle tie configured to mechanically couple circuit breaker handles of different configurations to one another. | 04-23-2015 |
20150107933 | TORQUE LIMITING DIFFERENTIAL - A selectively lockable differential, comprising a plurality of torque sensitive pins, an outer housing, a first side gear comprising first gear teeth, a second side gear comprising second gear teeth, a pinion shaft, two pinion gears rotationally coupled to the pinion shaft, each pinion gear comprising pinion gear teeth coupled to the first gear teeth and the second gear teeth, and a collar comprising collar teeth for selectively engaging the gear lugs of the first side gear, the torque sensitive pins operatively coupling the collar to the outer housing. | 04-23-2015 |
20150096636 | ENGINE VALVETRAIN OIL CONTROL VALVE - An oil control valve assembly includes a valve body and a controller coupled to an exterior end of the valve body. The controller includes a solenoid housing attached to the exterior end of the valve body, and defines an interior region. An encapsulated coil assembly is disposed within the interior region of the solenoid housing. A housing seal is disposed within the interior region of the solenoid housing, in sealing engagement with the solenoid housing, the valve body, and the encapsulated coil assembly. The housing seal is operable to seal the interior region of the solenoid housing to prevent fluid communication between the solenoid housing and the valve body. An adapter assembly is coupled to the valve body to reposition a discharge location of a supply port, a control port, and an exhaust port of the valve body along a longitudinal axis of the valve body. | 04-09-2015 |
20150096625 | VALVE ASSEMBLY FOR A TANK OF A VEHICLE AND A METHOD OF CREATING A VACUUM IN THE TANK - A valve assembly for a tank of a vehicle and a method of creating a vacuum are disclosed. A valve body defines a cavity and an outlet in fluid communication with the cavity for venting the tank. The assembly includes a seat disposed in the cavity of the valve body. The seat separates the cavity into first and second cavity portions. The seat defines an aperture to provide fluid communication between the first and second cavity portions. The assembly includes a cover device disposed between the seat and the outlet. The cover device defines at least one hole therethrough. The cover device is movable between a rest position engaging the seat to minimize fluid communication between the aperture and the hole and an actuated position spaced from the seat to increase fluid communication between the aperture and the hole when a vacuum is created in the first cavity portion. | 04-09-2015 |
20150092388 | COMPONENT FOR ELECTRIC POWER SYSTEM AND METHOD OF DETERMINING WHETHER A POWER CIRCUIT IN AN ELECTRIC POWER SYSTEM IS OPEN OR CLOSED - A component is for an electric power system. The component includes: a user access panel; a first element for directing visible light; a second element for directing visible light, the second end of the first element facing the second end of the second element; a movable conductor structured to move between a first position and a second position; and a stationary conductor structured to engage the movable conductor. In the first position the movable conductor is disposed between the second end of the first element and the second end of the second element, thereby blocking visible light from passing from the first element to the second element. In the second position the movable conductor is not disposed between the second end of the first element and the second end of the second element, thereby permitting visible light to pass from the first element to the second element. | 04-02-2015 |
20150090655 | FILTRATION ASSEMBLY WITH BACKWASHING FOR PRESSURIZED FLUID SYSTEM - A filtration assembly for a pressurized fluid system having a horizontally oriented tubular pressure vessel with a removable lid. A plurality of shroud tubes arranged in an inner array and a surrounding outer array receive contaminated fluid from the pressure vessel inlet through apertures in a vessel bulkhead to which the shroud tubes are attached. A plurality of tubular filter media elements with a closed end are received in each shroud tube and the opposite open end of each filter element is attached over an aperture in a cover plate sealed over the open end of the shroud tube. A tubular back wash arm has its opposite ends disposed for, upon rotation by a servo motor, being positioned progressively over selected apertures in the bulkhead for connecting the selected filter media elements to a drain for effecting backwashing. | 04-02-2015 |
20150085546 | MULTI-LEVEL CONVERTER APPARATUS AND METHODS USING CLAMPED NODE BIAS - A multi-level converter includes first and second DC buses, a plurality of transistors coupled in series between the first and second DC buses and a clamp circuit configured to clamp a node joining a first transistor and a second transistor of the plurality of transistors. The converter further includes a bias circuit coupled to the clamped node, which may reduce or prevent voltage stress on the transistors. Related methods of operation are also described. | 03-26-2015 |
20150084553 | SYNCHRONOUS TRANSFER CONTROL SYSTEM IN AN ARC RESISTANT ENCLOSURE - A synchronous transfer control system includes an arc resistant enclosure having a main housing having an open top portion and an arc plenum, the arc plenum having a closed front portion, a closed rear portion, and at least one open side portion, and a plurality of synchronous transfer control components housed within the main housing including: (i) a hard bussed first bus structured to be coupled to a first power source, (ii) a second power source, and (iii) a hard bussed second bus, wherein an output of the second power source is able to be selectively coupled to the second bus, wherein the first bus is able to be selectively and individually coupled to each of the motors, and wherein the second bus is able to be selectively and individually coupled to each of the motors. | 03-26-2015 |
20150076770 | INSULATED HIGH TEMPERATURE COMPOSITE SEAL - An embodiment of the present disclosure includes a seal assembly. The seal assembly may include a metallic seal, an insulating sleeve, and a retaining clip configured to retain the insulating sleeve relative to the metallic seal. In an embodiment, a high temperature seal assembly may include a metallic seal, an insulating sleeve encompassing the metallic seal, a plurality of retaining clips configured to retain the insulating sleeve relative to the metallic seal, and first and second modified sealing surfaces, wherein the retaining clips are configured to provide the first and second sealing surfaces. | 03-19-2015 |
20150072564 | INTERFACE ASSEMBLY HAVING ELECTRICALLY CONNECTED STAB COUPLING AND SECONDARY COUPLING ASSEMBLIES - An interface assembly for a panel board is provided. The interface assembly includes an interface assembly body and a number of conductor assemblies. The interface assembly body includes a front side and a back side, said body further defining a number of conductor passages. Each conductor passage extends from said interface assembly body front side to said body back side. The conductor assemblies each includes a stab coupling assembly and a secondary coupling assembly. Each stab coupling assembly and each said secondary coupling assembly are coupled and are in electrical communication. Each stab coupling assembly is disposed in a conductor passage. When the interface assembly body is mounted in a panel board, each stab coupling assembly is coupled to, and in electric communication with a stab. Each secondary coupling assembly can be coupled to another panel board device. | 03-12-2015 |
20150070860 | LOCKING ASSEMBLY FOR A PANEL BOARD DEVICE - A lock pin assembly is provided. The lock pin assembly is structured to coupled a panel board device to a panel board. The panel board device includes a body defining a number of mounting passages. The lock pin assembly includes an elongated body, a first radial extension, and, in an exemplary embodiment, a biasing device. The lock pin body is rotatably disposed in the panel board device mounting passage. The lock pin body is moved between an unlocked, first radial position, wherein said first radial extension does not engage a panel board back plate mounting tab, and a locked, second radial position, wherein said first radial extension engages a panel board back plate mounting tab. | 03-12-2015 |
20150070820 | MODULAR BUS PLUG APPARATUS - An apparatus includes a first enclosure configured to be mounted on a first wall of a bus duct and housing at least one circuit protective device and a connector assembly configured to engage an outlet of the bus duct of the first wall of the bus duct. The apparatus further includes a second unit including a second enclosure mounted on the first enclosure and housing at least one metering device and wiring passing between the first and second enclosures. | 03-12-2015 |
20150068286 | LEAK DETECTION SYSTEM - A hose leakage detection system includes a ring configured to be disposed within a hose. The ring has a lateral slot formed in an outer surface, defining a first slot wall and a second slot wall. A sensor is disposed on one of the first slot wall and the second slot wall and a power source is electrically connected to the leakage detection system. | 03-12-2015 |
20150065016 | DECONTAMINATION DEVICE AND METHOD FOR REMOVING CONTAMINANTS FROM ELECTRICAL APPARATUS - A device for removing contaminants from a bus stab of an electrical enclosure is provided. The electrical enclosure includes an electrical bus member disposed in a first plane. The bus stab extends outwardly from the electrical bus member and is disposed in a second plane perpendicular to the first plane. The device includes a gripping assembly and a scraping assembly coupled thereto, the scraping assembly comprising a number of flexible members structured to scrape and thereby clean the bus stab, the device being structured to move in a direction parallel to the second plane when the flexible members scrape the bus stab. | 03-05-2015 |
20150064458 | FUNCTIONALIZING INJECTION MOLDED PARTS USING NANOFIBERS - The disclosed concept relates to methods for the manufacture of molded parts having composite nanofibers deposited on a surface of the molded parts. The molded parts are manufactured by utilizing injection molding techniques. The nanofibers are capable of imparting to the molded part functionality, such as but not limited to electrical conductivity, magnetic properties, thermal conductivity, hydrophobicity and superhydrophobicity. The methods include depositing the nanofibers at least partially on an interior surface of a mold, injecting a polymer-containing composition into the mold and extracting a molded part from the mold. A surface of the molded part includes a layer or coating of nanofibers deposited thereon and/or therein. The nanofibers are transferred from the interior surface of the mold to the surface of the molded part. The mold and molded part can include three-dimensional shapes as well as two-dimensional shapes. | 03-05-2015 |
20150062819 | APPARATUS AND METHODS USING HEAT PIPES FOR LINKING ELECTRONIC ASSEMBLIES THAT UNEQUALLY PRODUCE HEAT - An apparatus includes at least one heat sink and first and second electronic assemblies mounted on the at least one heat sink at respective first and second mounting sites and configured to unequally (e.g., at least partially non-concurrently) produce heat. At least one heat pipe is thermally coupled to the at least one heat sink and extends between locations proximate the first and second mounting sites. For example, the first and second electronic assemblies may be components of respective subsystems of an uninterruptible power supply (UPS), such as a rectifier and a battery converter, that generate heat in an at least partially non-concurrent manner. | 03-05-2015 |
20150060723 | HEAT SINK COMPOSITION FOR ELECTRICALLY RESISTIVE AND THERMALLY CONDUCTIVE CIRCUIT BREAKER AND LOAD CENTER AND METHOD OF PREPARATION THEREFOR - The disclosed concept relates to compositions and methods for the manufacture of electrically resistive, thermally conductive electrical switching apparatus. The composition includes a polymer component and a nanofiber component. The thermal conductivity of the nanofiber component is higher than the thermal conductivity of the polymer component such that the electrical switching apparatus which includes the composition of the disclosed concept has improved heat dissipation as compared to an electrical switching apparatus constructed of the polymer component in the absence of the nanofiber component. Further, the disclosed concept relates to methods of towering the internal temperature of an electrically resistive, thermally conductive electrical switching apparatus by forming the internals of the apparatus, e.g., circuit breakers, and/or the enclosure from the composition of the disclosed concept. | 03-05-2015 |
20150060410 | VACUUM SWITCHING APPARATUS AND CONTACT ASSEMBLY THEREFOR - A contact assembly for a vacuum switching apparatus includes a contact member and a reinforcing member adapted to structurally reinforce the contact member. The contact member includes first and second opposing sides, and a contact thickness. The reinforcing member has a reinforcement thickness, which is less than the contact thickness The contact member is made from a first material having a first coefficient of thermal expansion, and the reinforcing member is made from a second different material having a second coefficient of thermal expansion. The first coefficient of thermal expansion is substantially the same as the second coefficient of thermal expansion. | 03-05-2015 |
20150060246 | Inter-Pole Drive Bar Usable With Switch Apparatus Having Multiple Poles - An inter-pole drive bar in accordance with the disclosed and claimed concept is usable to extend among a plurality of poles of an improved switch apparatus and to cause the plurality of poles to be together moved between a CLOSED position and an OPEN position. The inter-pole drive bar is elongated and has a plurality of connection points that are connectable with the poles and further includes a number of features that avoid engagement or other interference between the inter-pole drive bar and the various structures of the switch apparatus. The inter-pole drive bar includes an elongated linkage element whose movement between the CLOSED and OPEN positions of the switch apparatus are primarily translation of the linkage element in a direction generally parallel with its longitudinal extent and translation of the linkage element in a direction generally perpendicular to its longitudinal extent. | 03-05-2015 |
20150049437 | MEDIUM VOLTAGE HYBRID AIR/LIQUID COOLED ADJUSTABLE FREQUENCY DRIVE - An adjustable frequency drive including a number of power modules and a heat management system is provided. Each of the number of power modules includes a number of inverters. Each inverter includes a number of power poles. The heat management system includes a housing assembly, a first heat management assembly, and a second heat management assembly. The housing assembly defines a power module enclosure and a liquid cooling assembly enclosure. The first heat management assembly is substantially disposed in the power module enclosure. The second heat management assembly is not substantially disposed in the power module enclosure. | 02-19-2015 |
20150048691 | UPS SYSTEMS AND METHODS USING CURRENT-CONTROLLING LOW-LOSS MODES - Some embodiments provide a UPS including a non-current-commutated solid-state bypass switch. The bypass switch may include at least one transistor configured to control current to the load. Further embodiments provide a UPS including a converter including a first half-bridge circuit having an input port configured to be coupled to an AC source and an output port coupled to first and second buses and a second half-bridge circuit having an output port configured to be coupled to a load and an input port coupled to the first and second buses. The UPS further includes a control circuit configured to control the converter to provide a first mode wherein the first bridge circuit and the second bridge circuit operate as a rectifier and an inverter, respectively, and a second mode wherein the first and second bridge circuits operate as a pass-through switch from the AC source to the load. | 02-19-2015 |
20150043134 | CIRCUIT INTERRUPTERS AND ELECTRICAL ENCLOSURES WITH REJECTION FEATURES - A set of circuit interrupters and electrical enclosures that are configured to permit an electrical enclosure having a current rating to have connected therewith a circuit interrupter having a current carrying rating no greater than the current rating. However, a current interrupter having a current carrying rating less than the current rating of the electrical enclosure potentially may be connected therewith. Such electrical interruption equipment employs threaded studs on bus bars that are of varying sizes and/or are separated by varying distances in order to resist an electrical enclosure having a current rating from being electrically connected with a circuit interrupter having a current carrying rating greater than the current rating. Alternatively or additionally, the circuit interrupter and/or the electrical enclosure may have interference elements that physically interfere with the mounting and/or the electrical connection of a circuit interrupter having a current carrying rating with an electrical enclosure having a current rating less than the current carrying rating. | 02-12-2015 |
20150042311 | METHOD AND APPARATUS TO DIAGNOSE CURRENT SENSOR POLARITIES AND PHASE ASSOCIATIONS FOR A THREE-PHASE ELECTRIC POWER SYSTEM - A system for a three-phase electric power system includes a plurality of voltage sensors sensing three-phase voltages of the three-phase electric power system; a plurality of current sensors sensing three-phase currents of the three-phase electric power system; and a number of analog-to-digital converters converting the sensed three-phase voltages and the sensed three-phase currents of the three-phase electric power system to corresponding digital values. A processor calculates from the corresponding digital values at least two phase angles between voltage and current for at least two of three phases of the three-phase electric power system, diagnoses polarities and phase associations for at least two of the current sensors based on, for each of the at least two current sensors, a predetermined wiring configuration of the three-phase electric power system and a corresponding one of the at least two phase angles being within a corresponding predetermined angular range, and outputs corresponding diagnosis results. | 02-12-2015 |
20150041290 | HIDDEN/SLIDING DOOR SYSTEM FOR FIELD-INSTALLED ACCESSORY ACCESS - An electrical switching apparatus housing assembly for an electrical switching apparatus assembly is provided. The electrical switching apparatus housing assembly including a body assembly and a movable door member. The body assembly includes a number of outer sidewalls. The outer sidewalls define an enclosed space. The outer sidewalls include a top sidewall. The top sidewall includes a limited opening to the enclosed space. The movable door member is movably coupled to the top sidewall. The door member is movable between an open, first position, wherein the door member is not disposed in the limited opening, and a closed, second position, wherein the door member is disposed in the limited opening. | 02-12-2015 |
20150038278 | COMPACT DIFFERENTIAL GEAR MECHANISM HAVING A DENSELY PACKED PINION BEVEL GEAR ARRAY - A compact bevel differential gear mechanism with pinion bevel gears arranged in a tightly packed array is disclosed. The compact bevel differential gear mechanism includes first and second side bevel gears that are co-axially aligned along an axis of rotation. The compact bevel differential gear mechanism also includes an array of pinion bevel gears mounted between the first and second side bevel gears. The pinion bevel gears intermesh with the first and second side bevel gears to form a torque transfer arrangement configured for transferring torque between the pinion bevel gears and the first and second side bevel gears and for allowing the first and second side bevel gears to rotate at different rotational speeds with respect to one another. Each of the pinion bevel gears has an actual gear face angle value that is within +/−10 percent of a target gear face angle value. The target gear face angle value is equal to 360 degrees divided by twice the total number of pinion bevel gears provided in the array of pinion bevel gears. | 02-05-2015 |
20150036402 | POWER SYSTEM CONTROLLING AND MONITORING POWER SEMICONDUCTOR DEVICES EMPLOYING TWO SERIAL SIGNALS - A power system includes a power semiconductor devices; a control circuit outputting first firing signals each being for a corresponding power semiconductor device, and outputting first activation response signals each being associated with a corresponding power semiconductor device. A first interface circuit cooperates with the control circuit to input a first serial signal and output the first firing signals, and to input the first activation response signals and output a second serial signal. A second interface circuit cooperates with a controller to input the second serial signal, to output to the controller second activation response signals corresponding to the first activation response signals, to input from the controller second firing signals corresponding to the first firing signals, and to output the first serial signal. The controller controls the power semiconductor devices with the second firing signals, and monitors the power semiconductor devices with the second activation response signals. | 02-05-2015 |
20150028877 | RELAY INCLUDING PROCESSOR PROVIDING CONTROL AND/OR MONITORING - A relay includes a first terminal, a second terminal, a third terminal, a fourth terminal, separable contacts electrically connected between the first and second terminals, an actuator coil comprising a first winding and a second winding, the first winding electrically connected between the third and fourth terminals, the second winding electrically connected between the third and fourth terminals, a processor, an output, a first voltage sensing circuit cooperating with the processor to determine a first voltage between the first and second terminals, and a second voltage sensing circuit cooperating with the processor to determine a second voltage between the third and fourth terminals. The processor determines that the separable contacts are closed when the first voltage does not exceed a first predetermined value and the second voltage exceeds a second predetermined value and responsively outputs a corresponding status to the output. | 01-29-2015 |
20150027549 | DUAL STAGE POPPET - A valve includes an interior portion and a nozzle passage. The valve further includes a poppet having a first stage portion and a second stage portion. The poppet has a closed position in which the first stage portion and the second stage portion seal the interior portion of the valve from the nozzle passage. The poppet also has a partially open position, in which the first stage portion of the poppet is spaced from the second stage portion of the poppet, and defines a first fluid passage between the interior portion of the valve and the nozzle passage. Additionally, the poppet has a fully open position, in which the second stage portion of the poppet is spaced from the nozzle passage of the valve, and defines a second fluid passage between the interior portion of the valve and the nozzle passage. | 01-29-2015 |
20150016084 | BREAKER SECONDARY TERMINAL BLOCK ISOLATION CHAMBER - The disclosed concept pertains generally to secondary terminal blocks and, more particularly, to apparatus and methods for isolating the secondary terminal blocks and associated wiring in electrical switching assembly enclosures. The apparatus includes a housing having an outer surface structured to form a cavity therein. The apparatus is positioned in an enclosure which includes an electrical switching apparatus and one or more secondary terminal blocks. The one or more secondary terminal blocks are positioned in the cavity such that the apparatus at least substantially isolates the one or more secondary terminal blocks from the electrical switching apparatus. Further, the apparatus is effective to substantially isolate the secondary terminal blocks from temperature and pressure effects resulting from an arcing fault occurring in the enclosure. | 01-15-2015 |
20150015999 | METHOD OF TRIPPING A CIRCUIT INTERRUPTER IN A BACK FED CONFIGURATION - A method a tripping a circuit interrupter in a back fed configuration is provided, wherein the circuit interrupter has separable contacts and an actuator, such as a solenoid, operatively coupled to the separable contacts. The method includes detecting within the circuit interrupter that a fault condition exists, and subsequent to detecting that the fault condition exists, determining whether a current is flowing within the circuit interrupter between a load side of the circuit interrupter and the separable contacts, and controlling operation of the actuator based on whether the current is flowing within the circuit interrupter. | 01-15-2015 |
20150014277 | INTERCHANGEABLE SWITCHING MODULE AND ELECTRICAL SWITCHING APPARATUS INCLUDING THE SAME - An interchangeable switching module is for an electrical switching apparatus including a first enclosure, separable contacts and an operating mechanism structured to open and close the separable contacts. The interchangeable switching module includes a second enclosure structured to fit within the first enclosure of the electrical switching apparatus; and an interchangeable electrical circuit and/or mechanical mechanism within the second enclosure and being structured to cooperate with switching of the separable contacts. | 01-15-2015 |
20150014129 | FUSE AND TRIP MECHANISM THEREFOR - A trip mechanism for a fuse includes a trip unit disposed within an elongated housing of the fuse, and a processor. The trip unit includes a fuse element and an actuator for severing the fuse element, The processor is in electrical communication with the trip unit, and is adapted to monitor electrical current. Responsive to the processor detecting a predetermined prescribed electrical current, the processor is adapted to signal the actuator to sever the fuse element. The processor is programmable to selectively adjust the predetermined prescribed electrical current, thereby enabling the fuse to have a plurality different current ratings. | 01-15-2015 |
20150012144 | METHOD AND APPARATUS FOR OPTIMIZING A HYBRID POWER SYSTEM WITH RESPECT TO LONG-TERM CHARACTERISTICS BY ONLINE OPTIMIZATION, AND REAL-TIME FORECASTS, PREDICTION OR PROCESSING - An apparatus optimizes a hybrid power system with respect to long-term characteristics of the hybrid power system. The apparatus includes a real-time controller of the hybrid power system and a processor. The processor cooperates with the real-time controller and is structured to input current measurements of information from the hybrid power system and hybrid dynamics information including continuous dynamics and discrete time dynamics that model the hybrid power system. The processor provides online optimization of the hybrid power system based upon the input, and outputs a power flow reference and a number of switch controls to the real-time controller based upon the online optimization. The processor is further structured to provide at least one of: real-time forecasts or real-time prediction of future information operatively associated with the hybrid power system as part of the input, and real-time processing of the online optimization. | 01-08-2015 |
20150009597 | ELECTRONIC FUSE CIRCUIT AND METHOD OF CONTROLLING THE SAME - An electronic fuse circuit for interrupting a current flowing through a power circuit includes: a trip switch structured to open and close to interrupt and permit, respectively, the current flowing through the power circuit; a current sensing circuit structured to sense when a magnitude of the current flowing through the power circuit is greater than a predetermined magnitude; a trip circuit structured to control the trip switch to open and close based on the sensed magnitude of the current flowing through the power circuit; and a processor having a routine structured to monitor a characteristic of the trip circuit and, when the monitored characteristic meets a predetermined criteria, to enter an override mode and control the trip circuit to control the trip switch to open regardless of the magnitude of the current flowing through the power circuit. | 01-08-2015 |
20140376142 | FUSE ASSEMBLY INCLUDING RELAY AND STRING INCLUDING THE SAME - A fuse assembly structured for use with a power circuit includes: a fuse holder defining a space and including first and second terminals structured to electrically connect to the power circuit; a fuse disposed in the space defined by the fuse holder; and a relay disposed in the space defined by the fuse holder. The relay includes separable contacts, an operating mechanism structured to open and close said separable contacts, and a control circuit cooperating with said operating mechanism to cause said operating mechanism to open or close said separable contacts. Current flowing between the first and second terminals flows through the separable contacts and the fuse and opening the separable contacts interrupts said current flowing between said first and second terminals. | 12-25-2014 |
20140374620 | UV Lamp Support Assembly - A fluid treatment system includes plural housings ( | 12-25-2014 |
20140373520 | SYSTEM AND METHOD FOR MAINTAINING CONSTANT LOADS IN HYDRAULIC SYSTEMS - A hydraulic system includes a pump ( | 12-25-2014 |
20140371932 | SYSTEM AND METHOD FOR INSTANTANEOUS POWER DECOMPOSITION AND ESTIMATION - A system disaggregates and estimates power consumption of electric loads powered by a single electrical outlet. The system includes a processor having a routine; a current sensor cooperating with the processor to measure samples for one line cycle of an aggregated current waveform for the electric loads powered by the single electrical outlet; and a voltage sensor cooperating with the processor to measure samples for the one line cycle of a voltage waveform for the electric loads powered by the single electrical outlet. The processor routine transfers the measured samples for the one line cycle of the aggregated current waveform and the voltage waveform into an aggregated voltage-current trajectory for the single electrical outlet, and provides an instantaneous decomposition of power consumption for a plurality of different categories of the electric loads from the aggregated voltage-current trajectory for the one line cycle. | 12-18-2014 |
20140367363 | High Current Vacuum Interrupter With Sectional Electrode and Multi Heat Pipes - An electrode assembly for a circuit breaker is provided. The electrode assembly includes a conductive assembly and a heat transfer assembly. The conductive assembly includes a stem portion and a contact portion. The heat transfer assembly includes a number of elongated bodies, a first heat transfer surface, and a second heat transfer surface. The first heat transfer surface is disposed on the conductive assembly. Each heat transfer assembly body includes a second heat transfer surface. Each heat transfer assembly body is coupled to the conductive assembly with the first heat transfer surface coupled to a number of second heat transfer surfaces. | 12-18-2014 |
20140367235 | ELECTRICAL SWITCHING APPARATUS INCLUDING OPERATING HANDLE WITH DAMPENING MEMBER - An electrical switching apparatus includes a housing having an interior and an opening, separable contacts, and an operating mechanism structured to open and close the separable contacts. The operating mechanism includes an operating handle extending from the interior of the housing and through the opening of the housing. A dampening member is disposed on the operating handle. The dampening member is structured to engage the housing at the opening thereof when the operating handle moves to at least one of an “ON” position and a “RESET” or “OFF” position. | 12-18-2014 |
20140365490 | METHOD AND SYSTEM EMPLOYING GRAPHICAL ELECTRIC LOAD CATEGORIZATION TO IDENTIFY ONE OF A PLURALITY OF DIFFERENT ELECTRIC LOAD TYPES - A system for different electric loads includes sensors structured to sense voltage and current signals for each of the different electric loads; a hierarchical load feature database having a plurality of layers, with one of the layers including a plurality of different load categories; and a processor. The processor acquires voltage and current waveforms from the sensors for a corresponding one of the different electric loads; maps a voltage-current trajectory to a grid including a plurality of cells, each of which is assigned a binary value of zero or one; extracts a plurality of different features from the mapped grid of cells as a graphical signature of the corresponding one of the different electric loads; derives a category of the corresponding one of the different electric loads from the database; and identifies one of a plurality of different electric load types for the corresponding one of the different electric loads. | 12-11-2014 |
20140361532 | FLUID CONVEYENCE SYSTEM CONNECTOR - A fluid conveyance system connector includes a body and a tube positioned within the body through which a conveyed fluid flows. A moveable adapter is received in a first space between the body and the tube. The moveable adapter sealingly cooperates with the body and tube to define outer and inner variable volume chambers. The inner chamber communicates with one of an external environment or the conveyed fluid through a first port and the outer chamber communicates with the other of the conveyed fluid or the external environment through a second port such that the pressure in the inner chamber is the pressure exhibited by the external environment or the conveyed fluid and the pressure in the outer chamber is the pressure of the other of the conveyed fluid or the external environment. A differential pressure comprising a difference between the pressure of the conveyed fluid and the pressure exhibited by the external environment applies an inwardly or outwardly directed force to the moveable adapter. | 12-11-2014 |
20140358456 | METHOD AND SYSTEM EMPLOYING FINITE STATE MACHINE MODELING TO IDENTIFY ONE OF A PLURALITY OF DIFFERENT ELECTRIC LOAD TYPES - A system is for a plurality of different electric load types. The system includes a plurality of sensors structured to sense a voltage signal and a current signal for each of the different electric loads; and a processor. The processor acquires a voltage and current waveform from the sensors for a corresponding one of the different electric load types; calculates a power or current RMS profile of the waveform; quantizes the power or current RMS profile into a set of quantized state-values; evaluates a state-duration for each of the quantized state-values; evaluates a plurality of state-types based on the power or current RMS profile and the quantized state-values; generates a state-sequence that describes a corresponding finite state machine model of a generalized load start-up or transient profile for the corresponding electric load type; and identifies the corresponding electric load type. | 12-04-2014 |
20140354415 | WIRELESS TRANSPONDER UNIT, ELECTRICAL JOINT MONITORING SYSTEM INCLUDING THE SAME, AND METHOD OF MONITORING ELECTRICAL JOINTS - A wireless transponder unit having a maximum operating temperature and being structured to be disposed on an electrical joint includes: an integrated circuit configured to store identification information; and a resonant circuit electrically connected to the integrated circuit, the resonant circuit having a damping factor. The resonant circuit includes a capacitor, an antenna, and a resistor having a resistance and a positive thermal coefficient. A change in temperature of the wireless transponder unit causes a change in the resistance of the resistor and the damping factor of the resonant circuit. The maximum operating temperature of the wireless transponder unit is based on the damping factor of the resonant circuit. | 12-04-2014 |
20140354130 | SUPPORT APPARATUS USABLE WITH ELECTRICAL ENCLOSURE - A support apparatus is usable with an electrical enclosure to provide support to retain a cover portion of the electrical enclosure in proximity to a cabinet portion of the electrical enclosure. The support apparatus includes a shank having a hook-shaped retention element situated at an end thereof that is configured to provide vertical support to the cover portion. The support apparatus can further include a second hook-shaped retention element at an opposite end of the shank that is configured to rest upon an upturned lip of the cabinet portion, or the shank can potentially be affixed to the cabinet portion. Slots can additionally be provided in the cabinet portion, the cover portion, or both to additionally provide horizontal alignment of the cover portion with the cabinet portion. | 12-04-2014 |
20140353280 | SWITCH APPARATUS FOR CONNECTION WITH A DC CIRCUIT - A switch apparatus usable in a DC circuit employs a rotatable shaft having conductors that are removably connected with two or more pairs of contacts that are situated on line conductors and load conductors and that are connected in parallel by the conductors on the shaft. In rotating the shaft to open the switch, one pair of the contacts is electrically disconnected prior to electrical disconnection of the other pair of contacts. Further rotation of the shaft causes the other pair of contact to eventually become disconnected. Electrical arcs thus form only at the air gaps between the other pair of contacts and the conductor. Magnetic field elements in the form of permanent magnets are situated in the vicinity of the air gaps of only the other pair of contacts and apply Lorentz forces to the arcs to extinguish them. | 12-04-2014 |
20140353092 | HIGH ENERGY VENTILATED CONSTRUCTION BRAKE WITH DUAL DRUM - An improved energy capacity brake employing a drum structure with dual braking surfaces may be utilized in a wide variety of industrial and commercial applications requiring braking action. The drum includes first and second annular drum parts joined together to provide a dual drum feature for use with a coupling component together forming a drum brake assembly. In an alternate embodiment the drum may be cast with a single disc member having two braking surfaces. | 12-04-2014 |
20140353087 | SHIELD FOR TRANSMISSION FLUID SUMP - A transmission has a float level sensor in a fluid sump of the transmission case. A shield having a first panel and a second panel connected to and generally perpendicular with the first panel. The first panel cooperates with a first wall of the transmission case in the sump. The second panel cooperates with a second wall and a bottom wall of the transmission case in the sump. The first and second panels are adapted to cooperate with the first wall, the second wall, and the bottom wall of the transmission case to form a generally stagnant well within the fluid sump surrounding the fluid level sensor to decrease fluid motion adjacent to the sensor. The generally stagnant well and the sump are in fluid communication with one another. | 12-04-2014 |
20140352822 | AIR BLEED VALVE FLOAT ARRANGEMENT WITH RESTRICTOR - A bleed valve assembly includes a control assembly having a fluid inlet, a fluid outlet and a passageway in fluid communication with the fluid inlet and the fluid outlet. A fluid inlet air pressure is greater than a fluid outlet air pressure. An electromechanical valve is disposed in the control assembly and provides selective fluid communication between the passageway and the fluid outlet. A valve assembly is disposed in the passageway of the control assembly and prevents fluid communication of non-gaseous fluid between the fluid inlet and the fluid outlet. The valve assembly includes a float member and a float seat. A flow restrictor is in fluidic communication with the passageway and is configured to maintain a pressure within the assembly such that a change in a gaseous fluid pressure across the valve assembly is insufficient to close the valve assembly. | 12-04-2014 |
20140352791 | AIRCRAFT HYDRAULIC AIR BLEED VALVE SYSTEM - An aircraft hydraulic air bleed valve system having an air vent valve connected to an electronic controller where the opening of the air vent valve is permitted only when the aircraft is in a pre-determined flight mode where the aircraft flight mode is determined by a gyroscope connected to the controller. | 12-04-2014 |
20140347897 | HIGH VOLTAGE DIRECT CURRENT TRANSMISSION AND DISTRIBUTION SYSTEM - A direct current to alternating current inverter sub-system is for a HVDC distribution system. The DC to AC inverter sub-system includes an enclosure and a DC to DC galvanically isolated buck converter having a DC input electrically connectable to a HVDC cable and a DC output. A DC to AC inverter includes a DC input electrically connected to the DC output of the DC to DC galvanically isolated buck converter and an AC output electrically connectable to an AC transmission line. The DC to AC inverter is mounted in an enclosure with the DC to DC galvanically isolated buck converter, in order that the DC output of the DC to DC galvanically isolated buck converter is directly electrically connected within the enclosure to the DC input of the DC to AC inverter. | 11-27-2014 |
20140340822 | LOAD PANEL INCLUDING AN AGGREGATOR COMPONENT AND A NUMBER OF ELECTRICAL SWITCHING APPARATUS ASSIGNING UNIQUE ADDRESSES THERETO - A load panel includes an enclosure; an aggregator having a first processor and a number of communicating mechanisms; and a number of circuit breakers. The first processor includes a first routine communicating using the number of communicating mechanisms. Each of the number of circuit breakers includes a second processor, and first and second communicating mechanisms. The aggregator and the number of circuit breakers are arranged as a linear structure within the load panel. The second processor includes a second routine communicating using the first and second communicating mechanisms and assigning a unique address to a corresponding one of the number of circuit breakers with respect to the aggregator and any remaining number of the number of circuit breakers. The first communicating mechanism communicates with or toward the aggregator. The second communicating mechanism communicates with at most one of the any remaining number of the number of circuit breakers. | 11-20-2014 |
20140335776 | DEVICE AND METHOD FOR ENHANCING AIR COOLING OF ELECTRICAL AND MECHANICAL SYSTEMS - The disclosed concept includes a cooling device and method for enhancing cooling in an electrical or mechanical system. The system includes air therein for cooling the system. The cooling device includes a flexible elongated member having an inner core and an outer cover. The inner core is constructed of a batting material and the outer cover is constructed of a cloth material. The outer cover is at least partially sealed such that the inner core is contained within the outer cover. The flexible elongated member is positioned within a particular portion of the electrical or mechanical system and is utilized to form at least one air seal such that air is diverted away from an unintended path and toward an intended path for use in enhancing the cooling of an area wherein cooling is needed. | 11-13-2014 |
20140335708 | Connection Apparatus Connectable With Neutral Bus - An improved connection apparatus is connectable with an elongated neutral bus to electrically connect a neutral conductor to the neutral bus. The connection apparatus is movable among any of a variety of positions along the neutral bus in order to facilitate connection of the various neutral conductors with the neutral bus at various desirable locations within an electrical enclosure. The connection apparatus is also advantageously removable from the neutral bus and is reinstallable thereon to facilitate changing the locations of the connections between the neutral conductors and the neutral bus and to avoid interference between any of a neutral connection, a connection apparatus, a neutral bus, and a circuit interrupter. | 11-13-2014 |
20140333286 | LOAD PANEL BRANCH CIRCUIT MONITOR EMPLOYING AN INTELLIGENT CURRENT SENSOR MODULE - A branch circuit monitor is for a load panel inputting a number of line voltages and including a plurality of currents. The branch circuit monitor includes a processor component having a plurality of digital interfaces and is structured to receive a plurality of first digital values from each of the digital interfaces; and a plurality of metering mechanisms external to the processor component. Each of the metering mechanisms is structured to: communicate with a corresponding one of the digital interfaces, convert analog values from the number of line voltages and a plurality of the currents to a plurality of second digital values, determine a plurality of digital energy values from the second digital values, and transmit the second digital values and the digital energy values to the corresponding one of the digital interfaces. | 11-13-2014 |
20140332356 | HANDLE TIE APPARATUS FOR G-FRAME 1 POLE BREAKERS - The disclosed concept relates to a handle tie apparatus for connecting two or more operating handles of two or more electrical switching assemblies for simultaneous operation of the operating handles, such as switching from “on” position to “off” position. The handle tie apparatus including apertures formed therein for receiving the operating handles and slots having barbs configured therein for mechanically engaging and securing the operating handles in said handle tie apparatus. | 11-13-2014 |
20140332334 | TWO PIECE TORQUE LIMITING CLUTCH BRAKE - A torque-limiting a clutch brake is provided for an input shaft of a vehicle transmission. The clutch brake employs wave springs in its torque-limiting feature and can largely be fabricated from sheet metal parts. | 11-13-2014 |
20140324244 | CENTRALIZED CONTROLLER FOR INTELLIGENT CONTROL OF THERMOSTATICALLY CONTROLLED DEVICES - A control module for controlling a thermostatically controlled device includes a processor apparatus adapted to obtain first values for a plurality of parameters for the thermostatically controlled device, the parameters including actual power consumed by the thermostatically controlled device and a number of input parameters, determine a learned correlation function for the thermostatically controlled device based on the obtained values, wherein the learned correlation function relates power consumption of the thermostatically controlled device to at least the number of input parameters, obtain second values for each of the number of input parameters for a future usage period, and determine at least one recommended set point for the thermostatically controlled device using the learned correlation function and at least the second values for each of the number of input parameters. | 10-30-2014 |
20140323030 | SYSTEM AND METHOD FOR CONTROLLING OUTPUT FLOW OF PARALLEL CONNECTED BLOWERS - A ventilation system includes first and second blowers connected to a plenum in parallel, with a first motor drive to control a speed of an electric motor of the first blower and a second motor drive to control a speed of an electric motor of the second blower. A controller associated with the first blower is programmed to receive a set point for a controlled variable that is controllable by operation of the first and second blowers, estimate a total air flow required from the first and second blowers to reach the controlled variable set point, calculate a blower speed ratio between a first blower speed and a second blower speed that provides the required total air flow at a minimum power consumption level, and generate commands to cause the first blower and the second blower to operate at speeds resulting in the calculated blower speed ratio. | 10-30-2014 |