| Siemens Industry, Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120117548 | SYSTEM AND METHOD FOR FREE FORM COMMENTS FOR A PROGRAMMABLE LOGIC CONTROLLER - A method of annotating a specification of a programmable logic controller is provided that includes displaying a graphical element in a first graphical language for programming the programmable logic controller, and displaying a comment associated with the graphical element. A method for converting a specification for a programmable logic controller in a first language to a second language is provided that includes converting a first instruction in the first language to a second instruction in the second language, and converting a first comment associated with the first instruction to a second comment associated with the second instruction. A computer-readable recording medium is provided. | 05-10-2012 |
| 20120110158 | FIELD PANEL WITH EMBEDDED WEBSERVER AND METHOD OF ACCESSING THE SAME - The systems, methods and devices disclosed herein provide for a field panel that includes a webserver. The field panel and webserver are arranged in communication with one or more automation components and/or field panels deployed for operation in connection with the building automation system. An information request may be directed to a master field panel for authorization. The master field panel may in turn query a node table containing address and/or communication information with the other field panels and/or automation components operable on the wired or wireless communication network. The information within the node table allows for direct communication to the other field panels and/or automation components operable on the network. In this way, authorized access to each of the field panels and/or automation components is achieved while any communications bottleneck at the master field panel may be significantly reduced or eliminated. | 05-03-2012 |
| 20120096818 | Package Unbundling System - Methods and tools for unbundling polywrapped packages. An automatic unbundling system includes an input unit configured to receive a polywrapped bundle that includes a plurality of items and a conveyor system configured to transport the bundle. The automatic unbundling system includes an automatic unwrapping machine configured to receive the bundle from the conveyor system and unwrap the bundle. The automatic unbundling system can include a loose stack accumulator configured to straighten the unwrapped plurality of items. | 04-26-2012 |
| 20120096817 | Film-Wrapped Bundle Opener - Methods and tools for opening polyfilm-wrapped packages. A tool includes a rubbing surface and a motor configured to move the rubbing surface. The tool includes a power source connected to supply power to the rubbing surface. The rubbing surface is applied to the polyfilm wrapping while being moved to create an opening in the polyfilm wrapping caused at least in part by friction heat. The opening is created without damaging contents of the package. | 04-26-2012 |
| 20120089403 | Postal Processing Including Voice Feedback - System, methods, and computer-readable media. A method includes receiving a voice input, from an operator, corresponding to a mail item. The method includes performing a voice recognition process on the voice input to produce spoken data, and producing a system result corresponding to the spoken data. The method includes analyzing the system result to produce feedback information, and audibly sounding the feedback information to the operator. | 04-12-2012 |
| 20120087770 | Automated Bed-loaded Container Unloader and Method - An automated unloading apparatus, system and method for use with a container having a plurality of items located on a base belt. The apparatus includes a ramp, a conveyor, a stack control curtain, and a tensioning mechanism. The ramp is configured to pass under the base belt. The conveyor is configured to remove a first item from the plurality of items. The stack control curtain is configured to retain a second item of the plurality of items during removal of the first item. The tensioning mechanism is configured to couple to the base belt and maintain a desired tension on the base belt during passage of the nose ramp under the base belt and removal of the first item. | 04-12-2012 |
| 20120085708 | Mesoporous Activated Carbon and Methods of Producing Same - Mesoporous activated carbon is disclosed. In at least some embodiments, virgin activated carbon to be processed may be coconut shell-based. The enhanced activated carbon may have a mesopore structure of at least about 10%. The enhanced activated carbon may be produced through a calcium-catalyzed activation process. A chelator may also be used. Catalyzed thermal activation may be carried out until a desired mass loss is achieved. | 04-12-2012 |
| 20120085627 | ELECTRONIC CIRCUIT BREAKER HAVING A LOCKING AND UNLOCKING MECHANISM AND METHODS OF OPERATING SAME - Embodiments provide an electronic circuit breaker. The electronic circuit breaker has main electrical contacts configurable between an opened and a closed condition, a handle coupled to at least one of the main electrical contacts, the handle moveable between at least an ON configuration and an OFF configuration, secondary electrical contacts configured to engage each other in the ON configuration, and a moveable stop operable to maintain separation of the main electrical contacts initially when moved toward the ON configuration, and operable to unlock and allow closing of the main electrical contacts upon successful completion of a self-test. A method of operating the electronic circuit breaker is provided, as are other aspects. | 04-12-2012 |
| 20120085164 | FLUID METER BODY WITH MODULAR TRANSDUCER HOUSING - A mount and housing for fluid meter components, including transducers, is directly coupled to fixation points on a pipe exterior circumference without external straps. The mount may be selectively coupled and decoupled from the pipe fixation points. One or more mounts and housings may be arrayed on a pipe exterior in modular fashion, for different metering applications. Similarly, the mount and housing interior optionally may be reconfigurable in modular fashion for orientation and alignment of one or a plurality of transducers or other components for different user applications, without the need for auxiliary alignment tools, templates, measuring instruments or other devices. | 04-12-2012 |
| 20120081818 | System and Method for Fast Discharge of a Ring Motor Field - High-power synchronous motors are commonly used in mining operations, for example, in gearless draglines, gearless conveyor drives, and gearless mill drives. Substantial electromagnetic energy is stored in the inductive field windings. In the event of a system fault, such as a short in the direct current power source exciting the field windings, the electromagnetic energy needs to be discharged from the field windings. This electromagnetic energy is typically dissipated as waste heat through a resistor. Disclosed is a field discharge system in which the electromagnetic energy is captured and stored as electrical energy in a capacitor. If an ultracapacitor bank is used for storage, the charged ultracapacitor bank can be used as a backup or auxiliary power source for mining operations. The discharge time is sufficiently small that high speed circuit breakers are not needed to disconnect stator windings from the alternating current power source when a fault occurs. | 04-05-2012 |
| 20120079872 | Pipeline Leak Location Using Ultrasonic Flowmeters - Fluid leaks are identified and located by successively monitoring changes in fluid flow and sound velocities of fluid at a plurality of locations in the pipe with flow meters, such as with ultrasonic flow meters. Preferably the successive monitoring sampling rates are sufficiently high to measure instantaneous velocity changes. A controller coupled to the meters associates changes in monitored fluid flow and sound velocities in two locations along the pipe with a leak event occurring between those locations. The controller identifies the association event at each location and correlates pipe leak location based at least in part on difference in time between the respective location events. The system and method may be used in liquid and gas pipeline transmission systems. | 04-05-2012 |
| 20120079862 | BORONIZED LAYING PIPE - A laying pipe for use in the laying head of a rolling mill is configured for rotation about an axis, with an entry end aligned on that axis to receive a hot rolled product, and with a curved section leading to a delivery end spaced radially from that axis. The curved section defines a guide path configured to form the hot rolled product into a helical formation of rings. The laying pipe comprises a tubular ferrous wall having an interior surface comprising a wear resistant boronized layer against which the hot rolled product is confined for movement along the guide path. | 04-05-2012 |
| 20120079821 | EXCAVATOR DRIVE SYSTEM WITH BI STATE MOTOR TRANSFER SWITCHES - An excavator drive system wherein one of a pair of propulsion motors shares one of a pair of inverter power sources with another of a pair of motors dedicated to crowd and hoist motions. A pair of non-volatile bi-state switches, triggered under control of a controller, allow sharing of inverters between hoist and propel | 04-05-2012 |
| 20120074053 | FLUID CONTROL MANIFOLD FOR MEMBRANE FILTRATION SYSTEM - Disclosed herein are apparatus and methods for filtering a fluid including a filter module assembly coupled to a manifold. The manifold may include a manifold inlet in fluid communication with a source of feed liquid, an outlet in fluid communication with header of the filter module assembly, a fluid passageway in fluid communication with the manifold inlet, a source of gas, and the outlet, a second fluid passageway in fluid communication with the header and the first fluid passageway and a second manifold outlet vertically displaced from the first manifold outlet and in fluid communication between the first fluid passageway and the second fluid passageway. | 03-29-2012 |
| 20120067548 | POLYMERIC MEMBRANE FOR HEAT EXCHANGE APPLICATIONS AND METHOD OF FABRICATION THEREOF - A polymeric membrane for heat exchange comprises a polymeric material and a thermally conductive filler, the polymeric membrane having a thickness in a range of about 50 microns to about 350 microns and a porosity up to about 15 percent. | 03-22-2012 |
| 20120061333 | MEMBRANE CLEANING WITH PULSED AIRLIFT PUMP - A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes ( | 03-15-2012 |
| 20120043277 | CONTACT-STABILIZATION/PRIME-FLOAT HYBRID - Systems and methods for treating wastewater including a dissolved air flotation operation performed upon a portion of a mixed liquor output from a contact tank prior to the mixed liquor entering a biological treatment tank. | 02-23-2012 |
| 20120037568 | CONTROLLED METHOD OF MINIMIZING RADIOACTIVE SLUDGE GENERATION IN POST STIMULATION FLOWBACK AND/OR PRODUCED WATER TREATMENT FROM A SALTWATER, OIL AND/OR GAS WELL - Disclosed herein is a controlled method of minimizing radioactive sludge generation in treatment of wastewater from an oil and/or gas well. The method comprises measuring a concentration of a radioactive material in wastewater to be treated and measuring a concentration of barium in the wastewater to be treated. The method further comprises adding a calculated quantity of sulfate to the wastewater to be treated sufficient to precipitate a quantity of barium sufficient to reduce the concentration of the radioactive material to a level such that sludge precipitated in a secondary precipitation has a radiation level below a defined radiation level. | 02-16-2012 |
| 20120029799 | System and Method for Lane-Specific Vehicle Detection and Control - A roadside equipment (RSE) system that can be used for controlling traffic signals and other equipment and corresponding method. A method includes wirelessly receiving vehicle data from an onboard equipment (OBE) system connected to a vehicle, the vehicle data including location data, time data, and vehicle identification data related to the vehicle. The method includes determining motion data for the vehicle and determining the current state of at least one traffic device. The method includes determining a roadway lane corresponding to the vehicle, based on the motion data and the current state of the at least one traffic device, and storing the vehicle and associated roadway lane. | 02-02-2012 |
| 20120029798 | Signal Control Apparatus and Method with Vehicle Detection - A roadside equipment (RSE) system that can be used for controlling traffic signals and other equipment and corresponding method. A method includes wirelessly receiving vehicle data by an RSE system and from an onboard equipment (OBE) system connected to a vehicle. The vehicle data includes location data, time data, and vehicle identification data related to the vehicle. The method includes determining a most recent location of the vehicle by the RSE system and from the vehicle data, comparing the most recent location of the vehicle to a previous location of the vehicle, and producing a control signal based on the comparison. | 02-02-2012 |
| 20120026014 | System and Method for Traffic-Control Phase Change Warnings - A roadside equipment (RSE) system that can be used for controlling traffic signals and other equipment and corresponding method. A method includes maintaining a traffic signal in a GREEN phase in a first direction, including displaying a GREEN indicator in the first direction. The method includes detecting an event indicating that the phase of the traffic signal in the first direction should be changed and changing the phase of the traffic signal to a pre-YELLOW phase in response to the detected event, including continuing to display the GREEN indicator in the first direction. The method includes wirelessly transmitting a message indicating the pre-YELLOW phase and a phase time, the phase time indicating a next change of phase of the traffic signal, and changing the phase of the traffic signal to a YELLOW phase when the phase time has been reached. | 02-02-2012 |
| 20120019966 | SYSTEMS AND METHODS FOR PROVIDING ARC FAULT AND/OR GROUND FAULT PROTECTION FOR DISTRIBUTED GENERATION SOURCES - A system is provided including: (1) an arc fault circuit interrupter having a line side terminal and a load side terminal, wherein the line side terminal is coupled to a voltage source, and (2) a current source coupled to the load side terminal to backfeed the arc fault circuit interrupter. Numerous other aspects also are provided. | 01-26-2012 |
| 20120017785 | Simplified Sort Induction Process and Apparatus - A parcel processing system and method, The system includes an automated unloading apparatus, a singulation apparatus, a scan apparatus, and a sorting system. The automated unloading apparatus is configured to unload parcels from a trailer substantially without human intervention. The singulation apparatus is configured to singulate parcels unloaded by the automated unloading apparatus. The scan apparatus is configured to read from the parcels identifying information relating to the parcels. The sorting system is configured to sort the parcels according to the information read from the parcels by the scan apparatus. | 01-26-2012 |
| 20120013227 | ARC RESISTANT SWITCHGEAR MODULAR COMPARTMENT FOR INSTRUMENTATION AND CIRCUIT BREAKERS - Modular bucket assemblies enable selective configuration of switchgear compartments for conformance with selective levels of personnel accessibility to energized switchgear. The bucket assemblies can be configured to enable personnel access to energized compartments while service doors are open, such as for instrumentation compartments. Interiors and the front face of instrumentation compartment bucket assemblies are isolated from potential infiltration of hot arc gasses in the switchgear cabinet. Other compartments can be configured to enable personnel access to the front face of a fully closed door energized circuit breaker compartment by isolating the compartment door exterior and venting any hot arc gasses out of the compartment interior in a direction away from the front and other peripheral sides of the switchgear cabinet. | 01-19-2012 |
| 20120011708 | Method for Forming Electrodynamic Machine Insulated Coils - A method for manufacturing electrodynamic machine conductive coils, such as alternating current induction motor stator coils. A continuous strand of insulation coated wire is formed into a generally planar elongated closed loop having a circumference and an outer surface. Thereafter a permanent insulation layer is applied to the closed loop outer surface, preferably by spiral wrapping insulating tape about the circumference of the closed loop with a tape wrapping machine. The insulating tape has a catalytic chemical compound including at least one part of a multi-part epoxy resin. The closed loop is shaped into a rigid conductive coil by application pressure, in order to conform the coil to a desired profile. Application of the permanent insulation layer to the closed loop prior to its final shaping enables machine insulation taping over a larger portion of the coil circumference and reduces need for slower and more expensive hand taping. | 01-19-2012 |
| 20110315518 | Extendable Boom Brake Apparatus and System - An extendable boom conveyor system and method. The extendable boom system includes first and second boom elements, an operator control, and a controller. The first boom element includes a brake mechanism, which includes a pin configured to be positioned in an engaged position and a disengaged position. The second boom element includes a feature configured to engage the pin in the engaged position and prevent motion of the first boom element relative to the second boom element in at least a first direction. The controller is configured to receive an operator signal from the operator control and activate the brake mechanism responsive to the operator signal. | 12-29-2011 |
| 20110315507 | Extendable Conveyor with Multifunctional User Interface Section - An extendable boom loader and system. The extendable boom loader includes a distal boom element and a package tray. The boom element includes a package stop that moves to a first position blocking passage of packages and a second position allowing passage of packages, and a securing mechanism that holds the package stop in the first position. The package tray moves to first and second positions, respectively retracted within and extending from the boom element. The tray includes a tray package stop apparatus that prevents packages from sliding off a distal end of the tray. The distal boom element further includes a drawer unit that moves to first and second positions, respectively retracted within and extending from the tray. The drawer unit is configured to pivot down, while in its second position, to reach a floor of a container being loaded using the extendable boom loader. | 12-29-2011 |
| 20110309828 | METHOD FOR MEASURING SLOW ROLL CHARACTERISTICS OF PARTIALLY MACHINED SHAFT OF AN ELECTRODYNAMIC MACHINE - An electrodynamic machine shaft slow roll measurement testing and remediation method that can be performed on a partially machined shaft. Upon completion of slow roll tests on a partially machined shaft the manufacturer may complete machining of shafts that successfully meet the test specification. If a partially machined shaft fails the test specification, the manufacturer at its option may attempt to remediate the shaft, so that it successfully meets slow roll specification upon re-testing. Exemplary remediation steps may include further concentricity machining to reduce mechanical runout or shaft treatment, such as by heating and/or quenching to reduce electrical runout. Partially machined shafts that fail slow roll test specifications (with or without remediation efforts) may be scrapped or otherwise recycled without, completing final machining operations. | 12-22-2011 |
| 20110303544 | APPARATUS FOR FLUID PURIFICATION AND METHODS OF MANUFACTURE AND USE THEREOF - The present invention generally relates to devices able to purify fluids electrically that are contained within pressure vessels, as well as to methods of manufacture and use thereof. Liquids or other fluids to be purified enter the purification device and, under the influence of an electric field, are treated to produce an ion-depleted liquid. Species from the entering liquids are collected to produce an ion-concentrated liquid. Increasing the exterior pressure on the device may reduce the pressure difference between the interior of the device and the exterior, which may reduce manufacturing costs or simplify construction. | 12-15-2011 |
| 20110302756 | Mobile Extendable Boom Refurbishment Trailer - A trailer and method for servicing an extendable boom loading apparatus. The trailer includes an end, a support structure, and a plurality of tools. The end opens and receives the extendable boom loading apparatus when extended. The support structure is coupled to the trailer and supports at least a part of the extendable boom loading apparatus at a convenient working height for a technician in the trailer. The tools are coupled to the trailer and are operable to service the extendable boom loading apparatus. | 12-15-2011 |
| 20110301766 | Device and Method for Optimization of Chilled Water Plant System Operation - A demand flow device configured to interface with a chilled water plant controller to optimize performance of one or more chilled water plant components over a range of demand conditions is disclosed. The demand flow device includes a communication device configured to receive sensor data associated with the one or more chilled water plant components, wherein the sensor data measures operational variables of the chilled water plant. The demand flow device further includes a demand flow controller in communication with the communication device. The demand flow controller is configured to utilize the received sensor data to: determine an optimal pressure setpoint as a function of a desired chilled water delta T; control a chilled water flow rate through the one or more chiller water plant components as a function of the optimal pressure setpoint and the desired chilled water delta T; and adjust, via the chilled water plant controller, the optimal pressure setpoint, in response to one or more detected triggering events, to perform a critical zone reset of the desired chilled water delta T. | 12-08-2011 |
| 20110297798 | Capillary Mounting Clip - A capillary mounting clip is disclosed. The capillary mounting clip includes a first planar surface, a second planar surface aligned parallel to the first planar surface, a curvilinear capillary mounting surface carried between the first planar surface and the second planar surface wherein the curvilinear capillary clip mounting surface is sized to smoothly accept a substantially cylindrical outer surface of a capillary tube; and a capillary slot defined within the second planar surface wherein the capillary slot is aligned substantially perpendicular to the first planar surface. | 12-08-2011 |
| 20110290717 | MEMBRANE POST TREATMENT - The invention relates to polymeric ultrafiltration or microfiltration membranes of, for instance, poly(ethylene chlorotrifluoroethylene) (HALAR®), PVDF or PP, incorporating PVME or vinyl methyl ether monomers. The PVME may be present as a coating on the membrane or dispersed throughout the membrane or both. The membranes are preferably hydrophilic with a highly asymmetric structure with a reduced pore size and/or absence of macrovoids as a result of the addition of PVME. The PVME maybe cross-linked. The invention also relates to methods of hydrophilising membranes and/or preparing hydrophilic membranes via thermal or diffusion induced phase separation processed. | 12-01-2011 |
| 20110286626 | Virtual Remote Encoding System - Mail processing methods and systems. A method performed at a local delivery unit includes receiving an image of a mail item at the local delivery unit from an imaging and virtualization facility (IVF) that is geographically separated from the local delivery unit. The image and the mail item are associated with a mail item identifier. The method includes displaying the image to a user at the local delivery unit and receiving address information corresponding to the mail item from the user. The method includes associating the address information with the mail item identifier. Related apparatuses and systems are discussed. | 11-24-2011 |
| 20110285233 | INDUCTION MACHINE BEARING SYSTEM - A bearing assembly for an induction machine, such as an alternating current motor, includes a magnetic bearing for supporting a rotating shaft. An auxiliary bearing, also supporting the shaft in the event of magnetic bearing failure, is aligned with the motor end shield and frame so that shaft loads supported thereby are transferred to the frame in a manner that reduces likelihood of magnetic bearing contact with the shaft or its deformation. The bearing assembly may incorporate shock absorbing and vibration damping/isolation elements, such as o-rings, between the auxiliary bearing and its support structure interface to the frame. The auxiliary bearing may be incorporated in a removable cartridge for ease of machine maintenance. The bearing assembly may include heat dissipating fins. | 11-24-2011 |
| 20110284376 | SYSTEMS AND TECHNIQUES FOR ELECTRODIALYSIS - Electrochemical separation devices are configured for lower energy consumption. Techniques for reducing shadow effect may involve providing distance between a spacer screen and an adjacent ion-selective membrane. A spacer having a screen that is thin relative to a surrounding frame may be used. Mild pressure may also be applied to a compartment to promote distance between a spacer screen and an adjacent ion-selective membrane. | 11-24-2011 |
| 20110278060 | METHOD FOR KNOCK OUT FEATURE IN BRITTLE MATERIAL - The present invention relates generally to electrical insulation barriers. More particularly, the invention encompasses an electrical insulation barrier having knock-out features for an electronic apparatus. The electrical insulation barrier is preferably made from a brittle material, such as, for example, a thermoset insulating material, a glass reinforced polyester laminate material (such as, for example, GPO-1, GPO-2, GPO-3), and the like. The electrical insulation barrier is preferably used to insulate and/or isolate electrical conductors. With this invention a single master or universal type part can be made and used in many configurations and locations dependent on the design of the electronic apparatus. The invention allows for the creation of one or more opening in the electrical insulation barrier by knocking-out or removing one or more pre-defined shapes to allow clearance for intersecting electrical parts. With this invention one can consolidate many single use electrical insulation barriers into a few master parts that the user can customize to fit the application by removing the knock-outs as desired. The present invention also relates to electrical insulation barrier for switchgear, panel boards, circuit breakers, along with electrical insulation barrier for low voltage switchgear and switchboard assemblies. | 11-17-2011 |
| 20110264725 | Method and System for Obtaining Operational Data and Service Information for a Building Site - A method and system is disclosed for providing information about operational data from a plurality of building systems and service and maintenance information for a plurality of building sites. A customer web portal is provided with a database for storing the operational data and the service information allowing users to more readily generate reports and obtain service related information for a plurality of sites without having to maintain separate database systems at remote locations. | 10-27-2011 |
| 20110264299 | METHOD AND SYSTEM FOR MANAGING POWER QUALITY AND EFFICIENCY - A system and method for managing power uses a power meter that is electronically connected to a first point on a multiphase power distribution system to measure power information at that point. It determines harmonic distortion and true power factor correction based on the power information, and then determines configuration information for an active filter. The configuration information is send to one or more active filter to adjust harmonic distortion and true power factor correction on a second point in the distribution system. | 10-27-2011 |
| 20110264268 | Electrochemical Control Systems And Methods - Methods for reducing response time of membrane based electrochemical cells. A probe correction factor is calculated based on a percent rate of change in probe signal with time. A staged correction may be applied such that as signal change gets smaller, the effect of the compensation is reduced to prevent over shoot on the calculated residual. Control systems and techniques can regulate or control operations of a water treatment system. | 10-27-2011 |
| 20110259821 | Methods and Systems for Treating Wastewater - A method and system of treating wastewater is disclosed. The treatment system has a nitrification-denitrification system comprising a sorption system, a biofilm system, and an anaerobic digester that digests or converts at least a portion of the solids or sludge from the sorption system and biofilm system. | 10-27-2011 |
| 20110253613 | CONTAMINANT REMOVAL SYSTEM UTILIZING DISC FILTER - A system is adapted to remove one or more contaminants, particularly phosphorus, from an influent. The system includes a first section receiving the influent and discharging a first flow. A first coagulant inlet is positioned upstream of the first section and is in fluid communication with the influent to introduce a first coagulant selected to precipitate the contaminant. A second section receives the first flow and discharges a second flow, and a third section including a disc filter receives the second flow and discharges an effluent. A second coagulant inlet is positioned downstream of the first section and upstream of the third section to introduce a second coagulant selected to precipitate the contaminant. | 10-20-2011 |
| 20110249370 | ARC FAULT CIRCUIT DETECTION METHODS, SYSTEMS, AND APPARATUS INCLUDING DELAY - In one aspect, a method of electrical arc fault detection when high frequency (e.g., RF noise) is present is disclosed. The method includes determining if first arcing criterion is met, determining if delay criterion is met, implementing a delay for a delay period if the delay criterion is met, and determining if second arcing criterion is met. If the second arcing criterion is met, then a trip signal may be sent to trip the circuit breaker. In another aspect, the method includes determining if first arcing criterion is met, starting delay period if the first arcing criterion is met, determining if delay criterion is met, and if the delay criterion is met, determining if second arcing criterion is met. An arc fault detection apparatus adapted to carry out the methods, and systems including the arc fault detection apparatus are disclosed, as are various other aspects. | 10-13-2011 |
| 20110231169 | System and Method for Remotely Analyzing Machine Performance - Certain exemplary embodiments can comprise obtaining and analyzing data from at least one discrete machine, automatically determining relationships related to the data, taking corrective action to improve machine operation and/or maintenance, automatically and heuristically predicting a failure associated with the machine and/or recommending preventative maintenance in advance of the failure, and/or automating and analyzing mining shovels, etc. | 09-22-2011 |
| 20110231158 | Container Transport Monitoring and Analysis - Systems and methods for container analysis and tracking. A method includes scanning a plurality of items by a first data processing system to generate x-ray image data of the items, each of the plurality of items having a unique identifier. The method includes performing a computer implemented image recognition process on the x-ray image data to identify the items. The method includes interactively reviewing the x-ray image data with a human operator by a second data processing system, including displaying the x-ray image data to the human operator. The method includes recording the result of the human operator's review. The method includes determining, for each item, if the results from the computer implemented image recognition process and interactive review meet criteria for items that are exceptions that should not be shipped, and storing an exception indicator for each item using the respective unique identifier. | 09-22-2011 |
| 20110228352 | Determining Maintenance Conditions in a Document Scanner - A system and method for processing mail and other documents. A method includes scanning a document to produce a document image and analyzing the document image. The method includes determining that there is a condition of the data processing system that requires maintenance based on the analysis. The method includes notifying at least one user of the condition that requires maintenance based on the determination. | 09-22-2011 |
| 20110226506 | INPUT/OUTPUT MODULE FOR BUILDING AUTOMATION SYSTEM WITH MOUNTING PLATE - An input/output module for a building automation system includes a mounting plate, a circuit board, and a cover. The mounting plate has at least two fastener receptacles ( | 09-22-2011 |
| 20110221600 | Method and Apparatus for Supervisory Circuit for Ground Fault Circuit Interrupt Device - An apparatus and method for a supervisory circuit for a ground fault detection device or ground fault circuit interrupt (GFCI) device is disclosed in which is a test stimulus signal for a self test of the GFCI device is generated on a second secondary winding on a toroid of a differential current transformer. The GFCI device includes line and neutral conductors configured to connect an AC power source and a load. A differential current transformer includes a toroid, through which the line and neutral conductors pass, a first secondary winding wound on the toroid to generate a current in response to an imbalance of magnetic flux in the toroid, and a second secondary winding wound on the toroid. A differential ground fault detector is electrically connected to the first secondary winding of the differential current transformer to compare current generated in the secondary winding to a trip threshold. A controller is configured to control a test stimulus signal to be generated in the second secondary winding wound on the toroid of the differential current transformer. | 09-15-2011 |
| 20110205005 | Plastic Cradle - The present invention relates generally to a plastic cradle. More particularly, the invention encompasses a plastic cradle utilized inside a molded circuit breaker (MCB). The present invention is also directed to a novel nonconductive nonmagnetic cradle that engages a contact arm between a first terminal conductor and a second terminal conductor inside a molded circuit breaker (MCB) in an ON state, and disengages same in an OFF or Neutral state. | 08-25-2011 |
| 20110192783 | Potting Method - A membrane module includes at least one hollow fibre membrane; a first resin layer formed around an end of the at least one hollow fibre membrane; and a second resin layer chemically bound to the first resin layer, wherein the second resin layer is of greater flexibility than the first resin layer. | 08-11-2011 |
| 20110192628 | BREAKER TRAY FOR A PANELBOARD COVER - A cover for use with a panelboard enclosure. The cover includes a cover element for mounting onto a panelboard enclosure. The cover element includes an insert for insertion into a cover opening. A plate section is attached to the insert along peripheral edges of the plate section by a thin wall section to form a cover suitable for use with a main lug panelboard configuration. The thin wall section is sized relative to the plate section to enable separation of the plate section from the insert by a user to then form a cover suitable for use with a main breaker panelboard configuration. | 08-11-2011 |
| 20110175579 | SYSTEM AND METHOD FOR PROVIDING AUXILIARY POWER BY REGENERATION POWER MANAGEMENT IN MOBILE MINING EQUIPMENT - A method for operating an ultracapacitor system used in a mining excavator powered by an electrical power source. The method includes the step of detecting whether a line power from the electrical power source is present. Next, a voltage level of the ultracapacitor system is measured if the line power is not present. The measured voltage level is then compared with a minimum voltage level for the ultracapacitor system. If the measured voltage level is more than the minimum voltage level, auxiliary power is supplied from the ultracapacitor system to operate mining excavator systems. The auxiliary power may be used to power electronic systems and components such as computers, displays, control systems, gas insulated switchgear and lighting systems. | 07-21-2011 |
| 20110137668 | SALES ESTIMATING TOOL WITH ALTERNATE ESTIMATING - A method for providing an estimate for a defined building control system comprises displaying on a user interface a plurality of areas for the defined building control system. The method further comprises associating a plurality of subsystems of the defined building control system with the plurality of areas, each of the plurality of subsystems associated with a defined plurality of building automation components in a database, the plurality of subsystems including a first subsystem and a second subsystem both associated with one area of the plurality of areas. Both the first subsystem and the second subsystem are displayed on the user interface in association with the one area. A cost estimate for the defined building control system is generated based at least in part on the first subsystem and not based on the second subsystem. | 06-09-2011 |
| 20110137667 | SALES ESTIMATING TOOL FOR BUILDING CONTROL SYSTEM - A method for providing an estimate for a defined building control system comprises displaying on a user interface a plurality of areas in which the defined building control system would be installed. A plurality of subsystems are associated with the plurality of areas. The plurality of subsystems include at least one typical subsystem that is associated with a defined plurality of building automation components in a database. The method further comprises displaying on the user interface the typical subsystem in association with the plurality of areas. A number of instances of the typical subsystem that are associated with the plurality of areas is also displayed on the user interface. A cost estimate is generated for the defined building control system based at least in part on the number of instances of the typical subsystem. | 06-09-2011 |
| 20110109747 | SYSTEM AND METHOD FOR ANNOTATING VIDEO WITH GEOSPATIALLY REFERENCED DATA - A system that annotates video with geospatially referenced data on a display is provided. A video client is connected to a source of video data, the video client being capable of overlaying a video feed from the source of video data with graphics or text data not inherent in the video feed. An annotation provider receives a request for annotation from the video client and returns geographically relevant annotations for display to the video client. A coordinate transformation service device determines a geographic area in view in the video feed and provides accurate position information for security data contained in the video feed into display coordinates. The system may apply geo-spatial information to create a map of a structure in the video feed and to display annotations of locations in the area of field of view that are obstructed by the structure. | 05-12-2011 |
| 20110109479 | Method and System for Collecting Traffice Data, Monitoring Traffic, and Automated Enforcement at a Centralized Station - A distributed individual vehicle information capture method for capturing individual vehicle data at traffic intersections and transmitting the data to a central station for storage and processing is provided. The method includes capturing individual vehicle information at a plurality of intersections ( | 05-12-2011 |
| 20110094841 | System and Method for Reinjection of Retard Energy in a Trolley-Based Electric Mining Haul Truck - Retard energy regenerated from an electrical motor during braking action is reinjected into a power system via trolley lines. The retard energy may be transmitted to a bidirectional electric substation and returned to a utility grid. The retard energy may also be transmitted to an auxiliary energy storage system, such as an ultracapacitor system or a battery system. Installing trolley lines for mining haul trucks on a downhill slope may be used to capture and re-use substantial quantities of retard energy. | 04-28-2011 |
| 20110094808 | Peak Demand Reduction in Mining Haul Trucks Utilizing an On-Board Energy Storage System - A mining haul truck driven by electrical wheel motors is powered by a trolley power system during an uphill climb. Retard energy captured during braking action on either the uphill climb or downhill descent is stored by an on-board electrical energy storage system. Electrical power is supplied from the on-board electrical energy storage system to reduce the peak power demand on the trolley power system during the uphill climb. One implementation of the on-board electrical energy storage system uses an ultracapacitor system. | 04-28-2011 |
| 20110083872 | CROSSING BUS SUPPORT APPARATUS, CONNECTORS, SYSTEMS, AND ASSEMBLIES AND METHODS OF INSTALLING SAME - Embodiments provide a crossing bus support apparatus and connectors thereof. The crossing bus support apparatus includes a body structure having a first portion with a plurality of phase bus slots, the phase bus slots adapted to receive a plurality of crossing buses, a first connector on a first end having dual protrusions each protrusion having an interlockable feature; and a second connector on a second end having dual protrusions each protrusion having an interlockable feature. The crossing bus support apparatus may be used in pairs to capture crossing buses into the phase bus slots. Systems, assemblies, connectors, and methods of installing and utilizing the crossing bus support apparatus are provided, as are other aspects. | 04-14-2011 |
| 20110080197 | APPARATUS AND METHODS FOR POWER QUALITY MEASUREMENT - A method for measuring characteristics of a power line signal having a fundamental frequency is provided. The method includes estimating the fundamental frequency of the power line signal, and generating a sampling clock that is substantially synchronized to the estimated fundamental power line frequency. The power line signal is sampled with the substantially synchronized sampling clock to generate data samples that include one or more substantially complete cycles of the power line signal. The data samples are processed to detect zero crossings of the power line signal, and the detected zero crossings are used to calculate an r.m.s. voltage of the power line signal measured over one full cycle, commencing at a zero crossing, and refreshed each half-cycle. Other aspects are also provided. | 04-07-2011 |
| 20110079583 | CIRCUIT BREAKER HAVING DUAL ARC CHAMBER - A circuit breaker which includes first and second contact pairs and a contact arm arranged in series. A first arm contact and a first terminal contact from a first line terminal form a first contact pair. A second arm contact and a second terminal contact from a second line terminal contact form a second contact pair. The first contact pair, contact arm and second contact pair are connected in a series arrangement in which the air gaps formed when the first and second contact pairs are separated combine to form an effective air gap which is double in size and thus increases an interrupting capacity of the circuit breaker. An arc chamber is associated with the first and second contact pairs for extinguishing an arc formed in the air gaps. The first and second contact pairs may also be arranged in a parallel configuration for increasing an amperage rating of the circuit breaker. | 04-07-2011 |
| 20110062002 | CIRCUIT BREAKER RACKING APPARATUS, SYSTEMS, AND METHODS OF USING SAME - Embodiments provide a circuit breaker racking apparatus having a frame configured to couple to a switchgear section configured to receive a circuit breaker; a coupling operable to couple to a racking handle of the circuit breaker to be racked to or from the switchgear section; and a drive member coupled to the coupling and remotely operable to rotate the coupling and racking handle to accomplish racking of the circuit breaker. System and method aspects are provided, as are other aspects. | 03-17-2011 |
| 20110037429 | ELECTRICAL DISTRIBUTION SYSTEM RECHARGING STATION FOR ELECTRIC VEHICLES - An electric vehicle recharging station that can be readily incorporated into existing building electrical distribution systems during retrofit or new construction. The system has at least one enclosure and a vehicle charging connector. A circuit interrupter has line terminals for connection to respective first and second phases of the distribution system. A contactor relay has first and second phases coupled to the respective circuit interrupter and electric vehicle charging connector phases and separable contacts for each phase, for selective connection of electric power to the charging connector. A recharger controller is coupled to the contactor, for causing selective separation and closing of the separable contacts, so that electrical power is transferred to the electric vehicle. The recharging station system may also incorporate electric rate metering functions as well as communication capability from the controller to a remote controller. A human machine interface may be coupled to the controller. | 02-17-2011 |
| 20110023916 | PICKLE LINE ASSEMBLY WITH INCLINED EXPANSION SEAL - A pickle line assembly is provided having a roll tank, a pickle tank, and an expansion seal. The roll tank includes a front and rear face that are angled towards one another at the upper end. The pickle tank includes front and rear openings, which can be brought into registration with an opening in the front face and rear face of the roll tank. Expansion seals are configured to surround a perimeter of the pickle tank substantially near the front and rear openings, and are angled at approximately the same angle as the front and rear face of the roll tank. The expansion seal encloses the path between the pickle tank and roll tank, and the tilt angle of the front and rear face of the roll tank allow the pickle tank to be vertically raised and lowered into position without interference. | 02-03-2011 |
| 20110022193 | METHOD AND APPARATUS OF A SELF-CONFIGURED, MODEL-BASED ADAPTIVE, PREDICTIVE CONTROLLER FOR MULTI-ZONE REGULATION SYSTEMS - A control system simultaneously controls a multi-zone process with a self-adaptive model predictive controller (MPC), such as temperature control within a plastic injection molding system. The controller is initialized with basic system information. A pre-identification procedure determines a suggested system sampling rate, delays or “dead times” for each zone and initial system model matrix coefficients necessary for operation of the control predictions. The recursive least squares based system model update, control variable predictions and calculations of the control horizon values are preferably executed in real time by using matrix calculation basic functions implemented and optimized for being used in a S7 environment by a Siemens PLC. The number of predictions and the horizon of the control steps required to achieve the setpoint are significantly high to achieve smooth and robust control. Several matrix calculations, including an inverse matrix procedure performed at each sample pulse and for each individual zone determine the MPC gain matrices needed to bring the system with minimum control effort and variations to the final setpoint. Corrective signals, based on the predictive model and the minimization criteria explained above, are issued to adjust system heating/cooling outputs at the next sample time occurrence, so as to bring the system to the desired set point. The process is repeated continuously at each sample pulse. | 01-27-2011 |
| 20110021067 | Lever Bypass Plug-In Meter Socket for Electric Watt-Hour Meters - The present invention relates generally to a lever bypass plug-in meter socket. More particularly, the invention encompasses a lever bypass plug-in meter socket for electric watt-hour meters. The present invention is also directed to a novel plug-in meter socket for electrical watt-hour meter with a quick bypass. | 01-27-2011 |
| 20100309592 | METHODS AND APPARATUS FOR MULTI-FREQUENCY GROUND FAULT CIRCUIT INTERRUPT GROUNDED NEUTRAL FAULT DETECTION - In a first aspect, a ground fault circuit interrupt (“GFCI”) device is provided for use with an AC power system that includes a line conductor, a neutral conductor and a transformer. The line conductor and the neutral conductor are each coupled between a source and a load, and the neutral conductor is coupled to ground at the source. The transformer includes a first primary winding coupled in series with the line conductor, a second primary winding coupled in series with the neutral conductor, and a secondary winding. The device includes a grounded neutral fault detector circuit coupled to the secondary winding. The grounded neutral fault detector circuit: (a) drives the secondary winding with a multi-frequency AC signal, (b) monitors a multi-frequency load signal in the secondary winding, and (c) provides a first detection signal if the monitored load signal exceeds a predetermined threshold. Numerous other aspects are also provided. | 12-09-2010 |
| 20100301975 | DEVICE AND SYSTEM FOR BYPASSING A POWER CELL OF A POWER SUPPLY - A bypass device for bypassing a power cell of a multi-cell device. The bypass device includes a stationary portion of a first set of contacts connected to at least first and second output terminals of a power cell, a magnetically latching solenoid that, when energized, moves a moving portion of the first set of contacts from a first position to a second position or from the second position to the first position, and at least one added insulating material positioned between the solenoid and the first set of contacts, and configured to allow a voltage between the magnetically latching solenoid and the first and second output terminals of the power cell to exceed a voltage between said output terminals. | 12-02-2010 |
| 20100290164 | METHODS AND APPRATUS FOR GROUND FAULT CIRCUIT INTERRUPT DETECTION USING A SINGLE TRANSFORMER - In a first aspect, a device is provided for use with an AC power system that includes a line conductor, a neutral conductor and a transformer, the line conductor and the neutral conductor are each coupled between a source and a load, the neutral conductor is coupled to ground at the source, and the transformer includes a first primary winding coupled in series with the line conductor, a second primary winding coupled in series with the neutral conductor, and a secondary winding. The device includes a first circuit coupled to the secondary winding, wherein the first circuit provides a first detection signal if a current from the line conductor to ground exceeds a first predetermined threshold. The device also includes a second circuit coupled to the secondary winding, wherein the second circuit includes an AC signal source that provides an AC signal at a specified amplitude and a specified frequency to the secondary winding. The second circuit also provides a second detection signal if an impedance between the neutral conductor and ground is less than a second predetermined threshold. Numerous other aspects are also provided. | 11-18-2010 |
| 20100258559 | Removable Endwall Plate For Electrical Panels or Enclosures - The present invention relates generally to electrical panels or enclosures. More particularly, the invention encompasses a removable endwall plate for electrical panels or enclosures. The present invention is also directed to a novel electrical panel or enclosure where an endwall is removably attached to a frame. The endwall can be removed and can be cut at desired locations to create holes or openings for electrical components. The removable endwall can also have one or more knockouts which can be removed from the endwall as needed. One could also have at least one knockout within the knockout. | 10-14-2010 |
| 20100243315 | Removable Knockout Plate For Enclosures - The present invention relates generally to panels or enclosures. More particularly, the invention encompasses a removable knockout plate for enclosures. The present invention is also directed to a novel electrical panel or enclosure where at least a portion of at least one removable plate or panel is removably attached to a frame. The removable plate can be removed and can be cut at desired locations to create holes or openings for electrical components. The removable panel or plate can be a blank plate where at least one opening is created, as needed, or the removable panel can have at least one knockout which can be removed from the removable panel or plate, as needed. | 09-30-2010 |
| 20100238611 | LOW-PROFILE ELECTRONIC CIRCUIT BREAKERS, BREAKER TRIPPING MECHANISMS, AND SYSTEMS AND METHODS OF USING SAME - Embodiments provide a low-profile, electronic circuit breaker. The electronic circuit breaker includes a housing containing first and second electrical branches coupled to respective first and second load terminals, and an electronic processing circuit within the housing adapted to monitor an electrical condition of the first and second electrical branches, wherein a maximum transverse width (Wt) of the housing is limited to occupy only a single standard breaker panelboard location. Circuit breakers including triggering mechanisms and tripping units are also disclosed. System and method aspects are provided, as are other aspects. | 09-23-2010 |
| 20100237047 | CIRCUIT BREAKER ARC CHAMBERS AND METHODS FOR OPERATING SAME - Embodiments provide arc chambers, and methods adapted to rapidly extinguish arcs in circuit breakers. In one aspect, a circuit breaker is provided having first and second electrical contacts, wherein at least one of the contacts is movable and has a maximum contact face transverse dimension (d), and an arc chamber including first and second sidewalls spaced by a transverse spacing (Ts). The sidewalls are provided in close proximity to each other providing a transverse arc compression ratio (TACR) less than or equal to about 2.0, wherein TACR=Ts/d. According to another aspect, an arc chamber including one or more recesses formed into a transverse sidewall is provided, as are other aspects. | 09-23-2010 |
| 20100236909 | MULTI-POLE CIRCUIT BREAKER LIGHT GUIDE TRIP INDICATOR AND INSTALLATION METHOD - An apparatus, method and system for visually indicating a circuit breaker, such as a multi-pole circuit breaker, has been tripped are provided. An exemplary light guide comprises a plurality of light conduits adapted to transmit light from two or more light sources within a circuit breaker assembly to an exterior of the circuit breaker assembly; a beam that connects the light conduits; and one or more retention features coupled to one or more of the light conduits, wherein each retention feature is adapted to mate with a retention feature interface of the circuit breaker assembly. Numerous other aspects are provided. | 09-23-2010 |
| 20100236908 | CIRCUIT BREAKERS WITH LUG SCREW RETENTION AND METHODS FOR MANUFACTURING SAME - Embodiments provide circuit breakers with stops adapted to prevent a lug screw from falling out of circuit breaker and/or to prevent the lug screw from blocking a wire receiver of circuit breaker lug body. In one aspect, a circuit breaker is provided having a circuit breaker housing; a lug assembly retained in the circuit breaker housing, the lug assembly including a threaded screw hole; a lug screw having driving end and a threaded shaft inserted in the threaded screw hole; and a back-out stop adapted to contact the driving end and limit an extent of backward movement of the lug screw out of the threaded screw hole. Other aspects are provided. | 09-23-2010 |
| 20100212233 | Quick Roll Mounting Bracket for Modular Panels - The present invention relates generally to a mounting bracket for a modular panel. More particularly, the invention encompasses a quick roll mounting bracket for modular panels. The quick roll mounting bracket for a modular panel provides an easier/improved means for an installer to install a modular panel and to electrically and mechanically couple the modular panels together. The inventive roller bracket helps guide the modular panel during the coupling process by providing at least one wheel or a rolling interface to an otherwise metallic or metal-to-metal interface. The wheel or a rolling interface could be secured to the modular panel via at least one mounting bracket or via at least one spacer or at least one emboss. | 08-26-2010 |
| 20100199881 | Rail Car Collision System - A rail car collision system is disclosed that includes a front face and an underframe having a first anticlimber. The first anticlimber protrudes from and extends across at least a portion of the front face at a first position. At least one second anticlimber extends along at least a portion of the front face at a second position that is vertically different than the first position. | 08-12-2010 |
| 20100185416 | System and Method for Remotely Analyzing Machine Performance - Certain exemplary embodiments can comprise obtaining and analyzing data from at least one discrete machine, automatically determining relationships related to the data, taking corrective action to improve machine operation and/or maintenance, automatically and heuristically predicting a failure associated with the machine and/or recommending preventative maintenance in advance of the failure, and/or automating and analyzing mining shovels, etc. | 07-22-2010 |
| 20100173537 | Field Installed Lug Landing Accessory - The present invention relates generally to a lug landing accessory. More particularly, the invention encompasses a field installed lug landing accessory. The present invention is also directed to a novel lug landing kit that can be installed by an installer in the field. The invention further comprises a lug coupler comprising a set of bus bars, each of the set of the bus bars are secured to an electrically non-conductive housing of the lug coupler. The bus bar has at least one opening for the passage of at least one electrically conductive protrusion, and the bus bars are electrically connected to at least one corresponding breaker strap. | 07-08-2010 |
| 20100133922 | Integrated Automatic Selection of Maintenance Mode in Electronic Tripping Systems to Minimize Arc Fault Energy - A monitor control system and method for an electrical distribution system includes a trip unit of a circuit breaker. A sensor is associated with the electrical distribution system and coupled to the trip unit wherein the sensor is connected to one or more components of the electrical distribution system to detect whether the electrical distribution system is being serviced when a presence of a human being is also detected. A selector is coupled to the trip unit and configured to select maintenance mode parameters to define a mode of operation of the trip unit wherein in the maintenance mode arc flash reduction or tripping delay reduction is provided such that the trip unit operates based on the maintenance mode parameters. | 06-03-2010 |
| 20100128691 | BINDING WIRELESS DEVICES IN A BUILDING AUTOMATION SYSTEM - On a first level of the wireless building automation architecture, sensors and associated actuators communicate directly. The sensor performs control processes appropriate for the sensor and regardless of the type of actuator being used. The actuator performs control processes specific to the actuator regardless of the type of sensor being used. By direct wireless communication between sensors and actuators, the opportunity for a failed communications link using a hub and spoke arrangement may be avoided. Communication redundancy is provided by receiving the outputs of sensors at a controller, such as a controller on a second high speed or high bandwidth tier of the architecture. Regional control is implemented in the higher level tier. The higher level tier may override or control operation of components of the lower level tier as needed. The distributed control processing allows for more convenient room level integration. Where a problem is detected, such as a fire, corrective action begins within the immediate region of the sensor generating an alarm signal. The corrective action occurs without routing the alarm signal to upper levels of control processes or across different systems. The alarm signal is also propagated to upper level control systems for generating appropriate responses in other zones. To provide the different zones and avoid interference, the transmit power of the sensors and actuators is controlled as a function of two or more other devices. | 05-27-2010 |
| 20100117865 | Method and System for Collecting Traffice Data, Monitoring Traffic, and Automated Enforcement at a Centralized Station - A distributed individual vehicle information capture method for capturing individual vehicle data at traffic intersections and transmitting the data to a central station for storage and processing is provided. The method includes capturing individual vehicle information at a plurality of intersections ( | 05-13-2010 |
| 20100097027 | METHODS AND APPARATUS FOR CONTROLLING MULTIPLE A.C. INDUCTION MACHINES FROM A SINGLE INVERTER - Methods and apparatus are provided that include or provide a first three-phase induction machine including stator windings, a second three-phase induction machine including stator windings, wherein the stator windings of the first machine are coupled in series with the stator windings of the second machine, and an inverter circuit that provides a three-phase output signal coupled to the stator windings of the first machine. Other aspects are also provided. | 04-22-2010 |
| 20100085206 | Visual Indication of Fault Status, Storage and Clearance in an Arc Fault Circuit Interrupter (AFCI) - An arc fault detector includes a means for repeatedly measuring an elapsed time. The arc fault detector also includes at least one means to perform arc detection at each repeated elapsed time. Means for initiating a tripping mechanism is activated after the elapsed time. When a fault occurs, means for generating at least one fault code is activated. The fault code is stored in at least one non-volatile memory. The fault code is selected from a group consisting of an arc fault interrupt code, a ground fault interrupt code, and a push-to-test interrupt code. The arc fault detector includes at least one means to display the fault code such as at least one LED. At least a first LED indicates an arc fault interrupt code and at least a second LED indicates a ground fault interrupt code. At least a third LED indicates a push-to-test interrupt code. | 04-08-2010 |
