INGERSOLL-RAND COMPANY Patent applications |
Patent application number | Title | Published |
20160138594 | COMPRESSOR SYSTEM INCLUDING A FLOW AND TEMPERATURE CONTROL DEVICE - A thermal control valve for use in a lubricant flooded compressor system including a controller that generates a control signal includes a valve body including a hot coolant inlet, a cooled coolant inlet, a mixed coolant outlet, an actuator space, and a cylinder bore. A sleeve is positioned within the cylinder bore and is movable between a first position, a second position, and a third position, and an electrical actuator is at least partially disposed within the actuator space and is operable in response to the control signal to move the sleeve between the first position, the second position, and the third position. | 05-19-2016 |
20160004798 | DETERMINING THE PERFORMANCE OF AN ENVIRONMENTAL SYSTEM USING A PREDICTIVE MODEL - Disclosed herein are systems and methods for predicting an energy savings resulting from the replacement of existing equipment with new equipment. In the example embodiments, the energy saving prediction is utilized to create a customized warranty for an individual customer of an HVAC system or subcomponent thereof. Historical energy usage, historical climate data, old and new equipment parameters, and customer use data is input to a predictive modeling algorithm, which determines an energy savings prediction. Alternative models may be employed and a weighting factor applied to each to arrive at an improved energy savings prediction. The energy savings prediction is utilized to warranty to the customer an estimated dollar savings that will result from the installation of the new equipment. The warranty provides that, in the event the predicted energy savings is not realized, the customer is entitled to receive a dollar amount representing the shortfall in warranted energy savings. | 01-07-2016 |
20150343365 | COMPRESSOR SYSTEM AND OIL SEPARATION SYSTEM - A unique compressor system includes a compressor and an oil separation system. The oil separation system may include an oil separator element in fluid communication with a compressor discharge; an oil reservoir in fluid communication with the oil separator element that receives and accumulates separated oil; an oil-level controlled valve to control the flow of the oil from the oil reservoir to the compressor; and a check valve in fluid communication with the oil reservoir, the check valve being structured to prevent a reverse oil flow into the oil reservoir. A unique oil separation system, includes an oil separator element; an oil reservoir to accumulate separated oil; an oil-level controlled valve to control the flow of the from the oil reservoir; and a check valve to prevent a reverse oil flow into the oil reservoir. | 12-03-2015 |
20150343355 | IMPACT MOISTURE SEPARATOR - An impact moisture separator for separating a liquid moisture from a compressed gas. The impact moisture separator includes a plurality of impact plates that are positioned within the inner region of the separator and may be downstream of at least one strut. The strut may be configured to disperse the flow of compressed gas. The impact plates each have a plurality of vanes that extend beyond a plate portion of the impact plates. The vanes are configured to provide a passage for the flow of compressed gases and are offset from the vanes of the adjacent, successive impact plate. Further, the impact plates and strut(s) are tilted toward the incoming flow of compressed gas so as to assist in influencing the downward flow of the compressed gas, and thereby facilitate the flow of separated liquid moisture toward a reservoir of the housing. | 12-03-2015 |
20150258484 | FILTER ELEMENT AND FILTER BOWL FOR COMPRESSED AIR FILTER - A filter element for a compressed air filter includes a filter element having an upper end cap and a lower end, the upper end cap having a rim extending and defining an outer perimeter of the upper end cap, the rim includes an outer slanted surface which extends radially outward and upward. A filter body is also provided and defines a cavity and includes an open upper end for receiving the filter element, the open upper end includes a ledge, wherein the ledge is slanted and extends radially inward and downward, defining a seat for matingly receiving the slanted surface of the rim of the upper end cap. A filter head is provided and includes a filter element connector for coupling to a collar of the filter element, and a filter body connector for coupling to the filter body. | 09-17-2015 |
20150251120 | FILTER ELEMENT ADAPTOR FOR COMPRESSED AIR FILTER - A filter head adaptor for a compressed air filter. The filter head adaptor capable of modifying a filter head to accommodate a variety of different style filter elements. The filter head adaptor including a main body connector, a filter element connector, and a second inlet channel in fluid communication between the main body connector and the filter element connector, the main body connector is adapted for coupling to the adaptor connector of the main body, whereby the main body connector is adapted for coupling to a filter head. The invention includes contemplates requiring a reduced inventory of filter heads and filter bodies for a plurality of filter elements, as the appropriate filter head adaptor may be selected which presents a particular filter element connector which matches that of the filter element intended to be used. | 09-10-2015 |
20150238887 | UPPER END CAP FOR FILTER - An end cap is provided for use in a filter element. The end cap includes a first side providing a first head connection which corresponds to a connection of a first filter head and a first media connection which corresponds to a connection of a filter media. The end cap further includes a second side providing a second head connection which corresponds to a connection of a second filter head, the second connection is configured differently from the first connection, and a second media connection which corresponds to a connection of a filter media. A support is provided for being received by a filter body, wherein the first side may be coupled to a first filter head and the second side may be attached to one end of a filter media or alternatively, the second side may be coupled to a second filter head and the first side may be attached to one end of a filter media. | 08-27-2015 |
20150059531 | Ratchet Tools - Illustrative embodiments of ratchet tools are disclosed. In at least one embodiment, a ratchet tool may comprise an output shaft, a motor, and a transmission coupled between the output shaft and the motor. The transmission may comprise a ratchet mechanism and a speed-sensitive clutch. The speed-sensitive clutch may be configured to (i) connect the output shaft to the motor when the motor provides rotation to the transmission above a predetermined speed so that the output shaft is driven by the motor and (ii) disconnect the output shaft from the motor when the motor does not provide rotation to the transmission above the predetermined speed so that the output shaft is free to be rotated manually without resistance from the motor. | 03-05-2015 |
20140274526 | Angle Impact Tool - Illustrative embodiments of angle impact tools are disclosed. In at least one illustrative embodiment, an angle impact tool may comprise a motor including an output shaft configured to rotate about a first axis, an impact mechanism configured to drive rotation of an output drive about a second axis that is non-parallel to the first axis, and a gear assembly configured to be driven by the output shaft of the motor and to drive the impact mechanism, the gear assembly comprising a planetary gear set coupled to the output shaft of the motor. | 09-18-2014 |
20140266711 | WIRELESS GAS CONDITION MONITORING DEVICE - An exemplary apparatus includes a sensor array configured to sense a gas stream temperature, pressure, and humidity. The sensor array includes a plurality of sensors, each configured to sense at least one of the gas stream conditions. The apparatus further includes an electronic control unit comprising a memory storage device, a condition evaluation module, a display module, and a wireless transmission module. The memory storage device stores a plurality of condition parameters, each condition parameter corresponding to one of the gas stream conditions. The condition evaluation module is configured to determine if one of the sensed conditions violates one of the corresponding parameters, and is further configured to output a warning command in response to the determining. The display module is configured to display information relating to at least one of a sensed condition and a condition parameter. The wireless transmission module is configured to wirelessly transmit data relating to at least one of the warning command and one of the sensed conditions. | 09-18-2014 |
20140262397 | Low-Profile Impact Tools - Illustrative embodiments of impact tools are disclosed. In at least one illustrative embodiment, an impact tool comprises a motor including an output shaft configured to rotate about a first axis and a drive train configured to be driven by the output shaft of the motor and to drive rotation of an output drive about a second axis that is non-parallel to the first axis, wherein the drive train includes an impact mechanism comprising a hammer configured to rotate about a third axis to periodically deliver an impact load to an anvil, the third axis being parallel to and spaced apart from the second axis. | 09-18-2014 |
20140262391 | Adapter for Transferring Electrical Signals to Pneumatic Tool - In one illustrative embodiment, an adapter for transferring electrical signals to a pneumatic tool may comprise a housing having a tool interface and a charger interface, the tool interface shaped to receive a portion of the pneumatic tool, the charger interface shaped to be received by a charger unit that is configured for charging a battery of an electric tool, a tool connector disposed at the tool interface and configured to be removably coupled to electronics of the pneumatic tool, a charger connector disposed at the charger interface and configured to be removably coupled to electronics of the charger unit, and an adapter circuit disposed within the housing and coupled to both the tool connector and the charger connector, wherein the adapter circuit is configured to receive a first power signal via the charger connector and to supply a second power signal via the tool connector. | 09-18-2014 |
20140261274 | Air-Powered Starter Motor - An adjustable air-powered starter motor that provides a plurality of different operational configurations. The air-powered starter motor includes a motor housing assembly that houses at least a portion of a rotary actuator assembly, and which may be connected to a cover assembly. The motor housing may be selectively attached to a mounting structure along first or second sides of the motor housing. Additionally, the motor housing may be attached to the mounting structure at a plurality of different angular orientations. The motor housing further includes an air inlet having first and second air inlet ports that are positioned on opposite sides of the motor housing, and an air outlet port that is positioned along a lateral axis that is generally parallel to, and offset from, a lateral axis of the inlet port. A mounting pin may align and interconnect the motor housing and rotary actuator assembly at each operational configuration. | 09-18-2014 |
20140259636 | ROTATING MACHINE WITH MAGNETIC BEARING - A method of manufacturing an electrical machine includes selecting a desired threshold control current, selecting dimensions to modify stator teeth of a magnetic bearing based on the desired threshold control current, and modifying the stator teeth using the selected dimensions. A method of producing a rotating machine includes selecting an operating point of a magnetic bearing of the rotating machine, and shaping at least some stator teeth of the magnetic bearing to generate increased force at control currents above the control current at the selected operating point. | 09-18-2014 |
20140255228 | Quick Release Pump Clamp - A diaphragm pump includes a first plate, a second plate and a diaphragm having first and second side surfaces. A fluid chamber is defined by the first plate and the first side of the diaphragm, a fluid inlet fluidly connected to the fluid chamber and a fluid outlet fluidly connected to the fluid chamber. An air chamber is defined by the second plate and the second side of the diaphragm, such that the diaphragm is retained between the first plate and the second plate. A clamp moves between a first position in which the first plate is fixedly connected to the second plate and the diaphragm, and a second position in which the first plate is disconnected from the second plate and the diaphragm to permit disassembly of the first plate, the second plate and the diaphragm. | 09-11-2014 |
20140241905 | Positive Displacement Pump with Pressure Compensating Calibration - Illustrative embodiments of positive displacement pumps utilizing pressure compensating calibration, as well as related systems and methods, are disclosed. In one illustrative embodiment, a method of operating a positive displacement pump includes sensing, with a pressure sensor disposed at a fluid outlet of the positive displacement pump, a back pressure at the fluid outlet, transmitting a pressure signal associated with the sensed back pressure from the pressure sensor to a controller of the positive displacement pump, and identifying, on the controller, a volume of fluid pumped by the positive displacement pump using the pressure signal. | 08-28-2014 |
20140202725 | Power Tool with Spindle Lock - Illustrative embodiments of power tools with spindle locks are disclosed. In one illustrative embodiment, a power tool may include a drive train including an output assembly, the output assembly including a spindle configured to support a tool element, a power source configured to selectively supply energy to the drive train to cause the output assembly including the spindle to rotate, a switch movable between a first position in which the power source does not supply energy to the drive train and a second position in which the power source supplies energy to the drive train, and a spindle lock configured to automatically engage the output assembly including the spindle when the switch is in the first position and to automatically disengage the output assembly including the spindle when the switch is in the second position, the spindle lock preventing rotation of the output assembly including the spindle when engaged. | 07-24-2014 |
20140199188 | Diaphragm Pump With Muffler-Mounted Sensor - Illustrative embodiments of diaphragm pumps including a muffler-mounted sensor are disclosed. In one illustrative embodiment, a diaphragm pump includes a shaft coupled to at least one diaphragm, an exhaust chamber configured to receive a motive fluid that has driven reciprocation of the at least one diaphragm and the shaft, a muffler disposed at least partially within the exhaust chamber, the muffler having a sensor mounting chamber defined therein, and a proximity sensor disposed in the sensor mounting chamber, a sensing end of the proximity sensor being flush with an end of the sensor mounting chamber nearest the shaft. | 07-17-2014 |
20140165410 | Sheet Cutting Shears - Illustrative embodiments of sheet cutting shears are disclosed. A sheet cutting shears may include a tool body and a cutting head. The tool body may include a drive housing and a handle coupled to the drive housing. The handle may be inclined toward the cutting head so that at least a portion of the drive housing located between the handle and the cutting head is within a footprint of the handle when viewed from above. A handle axis and a housing axis may form an acute angle located at least in part between a front side of the handle and a top side of the drive housing. The sheet cutting sheers may further include a trigger configured to move between an off position and an on position, the trigger being spaced apart from the drive housing. | 06-19-2014 |
20140161513 | BATTERY PACK RELEASE WITH TACTILE FEEDBACK FOR CORDLESS POWER TOOLS - Battery packs include a battery pack housing, at least one battery release member held by the battery housing, a (blind) latch held by the battery pack housing in communication with the battery release member that releaseably locks the battery pack to a device, and a tactile feedback mechanism that is held by the battery pack housing and is in communication with the battery release member. The tactile feedback mechanism generates a tactile feedback that reduces or increases an application force required by a user to manually actuate the at least one release member. The tactile feedback transmitted through the at least one battery release member. The tactile feedback is generated when the at least one release member has been manually actuated by the user a sufficient distance to allow the user to easily remove the battery pack from the device. | 06-12-2014 |
20140158388 | Torque-Limited Impact Tool - Illustrative embodiments of torque-limited impact tools are disclosed. An impact tool may include a shaft adapted to rotate about an axis, a hammer having a hammer jaw with an obtuse impact surface, and an anvil having an anvil jaw with an acute impact surface. The shaft may include a first helical groove, and the hammer may include a second helical groove. The impact tool may further include a ball received in the first and second helical grooves, wherein the ball rotationally couples the hammer to the shaft and permits axial travel of the hammer relative to the shaft. The obtuse impact surface of the hammer jaw may be adapted to impact the acute impact surface of the anvil jaw when the shaft rotates in a first direction. | 06-12-2014 |
20140154532 | MULTI CELL CARRIERS - Battery cell carriers that have a semi-rigid elastomeric cell carrier body with a plurality of closely spaced apart, substantially parallel and substantially cylindrical channels. Each channel has a length, with neighboring channels sharing a sidewall therebetween. The channels are configured to hold at least a major portion of a length of a respective battery cell. | 06-05-2014 |
20140124230 | POWER TOOLS WITH HOUSINGS HAVING INTEGRAL RESILIENT MOTOR MOUNTS - Power tool housing shells that matably attach to each other and define an interior cavity that is sized and configured to encase at least a motor associated with a power train for a power tool. Each housing shell is a substantially rigid molded shell body. Each housing shell inner surface includes at least one overmold motor mount member of a resilient material directly, integrally attached to an inner surface of the respective housing shell. | 05-08-2014 |
20140080391 | Grinding Tools With Guards - In at least one illustrative embodiment, a grinding tool may comprise a housing including a mount, a shaft extending from the mount along a drive axis, where the shaft is configured to support a grinding wheel for rotation about the drive axis, and a guard coupled to the mount. The guard may comprise a central ring extending around the mount, a shroud extending radially outward from the central ring along a first portion of a circumference of the central ring, and a standoff coupled to a second portion of the circumference of the central ring. The standoff may extend from the central ring along a direction substantially parallel to the drive axis such that the standoff limits rotation of the guard about a tipping axis that is substantially perpendicular to the drive axis. | 03-20-2014 |
20140076664 | ROTOR MACHINE HAVING OIL SLINGER SYSTEM - One embodiment of the present invention is a unique blower having an oil slinger system. Another embodiment is a unique rotor system having an oil slinger system. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for rotor systems, blowers and other apparatuses that employ oil slinger systems. Further embodiments, forms, features, aspects, benefits, and advantages of the present application will become apparent from the description and figures provided herewith. | 03-20-2014 |
20140076663 | OIL SLINGER MOUNTING ARRANGEMENT - An oil slinger for a blower is provided. The oil slinger provides many unique features including, but not limited to, being removably mounted to a rotatably mounted shaft. | 03-20-2014 |
20140076267 | BREATHER DEVICE - A working fluid case includes a housing and a breather device. The breather device includes a vent passage located in a recess formed in the housing. | 03-20-2014 |
20140054055 | POWER TOOL HOUSING CONSTRUCTION - An apparatus is disclosed including a motor housing structured to receive at least a portion of an electric motor, a tool housing including a first half and a second half, wherein the tool housing defines an end taper, a tool attachment in mechanical communication with the electric motor, and a retention member including an inner taper structured to interface with the end taper of the tool housing to resist relative motion between the tool housing and the motor housing. | 02-27-2014 |
20140053688 | HOUSING FOR POWER TOOL - A tool apparatus includes a substructure at least partially enclosing an electric motor, the electric motor in selective electric communication with a battery, a tool head in mechanical connection with the electric motor, a tool housing defining an inner cavity, wherein the housing is structured to receive the substructure within the inner cavity, and a superstructure having an inner taper configured to receive an outer taper of the tool housing to retain the tool housing relative to the substructure. | 02-27-2014 |
20140015383 | FORWARD/REVERSE SWITCHING DEVICE FOR POWER TOOLS - A power tool includes a housing, an electric motor mounted in the housing, and a switching device for reversing rotation direction of the motor. The switching device includes an actuator slidably secured to the housing and movable between first and second positions. The actuator includes a magnet. A first ferromagnetic member is attached to a first housing section so as to be within range of attraction force of the magnet when the actuator is in the first position and a second ferromagnetic member is attached to a second housing section so as to be within range of attraction force of the magnet when the actuator is in the second position. A hall sensor is attached to the housing so as to be proximate the magnet as the actuator is moved between first and second positions. Proximity of the magnet and hall sensor reverses the direction of rotation of the motor. | 01-16-2014 |
20140008090 | Handheld Power Tools with Triggers and Methods for Assembling Same - The housing assembly has a grip portion having a heightwise axis. The housing assembly includes a housing member having parallel upper and lower housing guide features spaced apart along the heightwise axis. The trigger member is mounted in the housing assembly to slide along a slide axis transverse to the heightwise axis. The trigger member includes parallel upper and lower trigger guide features spaced apart along the heightwise axis and mated with the upper and lower housing guide features. The upper and lower housing guide features and the upper and lower trigger guide features cooperate to limit the trigger member to a linear slide path relative to the housing assembly and inhibit cocking of the trigger member about a lateral axis transverse to each of the heightwise axis and the slide axis. | 01-09-2014 |
20140008088 | Display Assemblies Having Integrated Display Covers and Light Pipes and Handheld Power Tools and Methods Including Same - A handheld power tool includes a housing, a display device mounted on the housing, at least one light source mounted in the housing, and an integral, light transmissive lens member. The lens member includes a cover portion covering the display device to protect the display device from the environment, and a light pipe portion positioned and configured to transmit light emitted from the at least one light source to a location on the handheld power tool visible exteriorly of the housing. | 01-09-2014 |
20130327142 | DOOR LOCK INCLUDING SENSOR - A door assembly includes a door panel connected to a door frame and pivotable about a pivot axis, a door latch coupled to the door panel and operable to selectively inhibit movement of the door from a closed position to an open position, and a sensor coupled to the door latch and operable to detect acceleration of the door and output acceleration data corresponding to the acceleration of the door panel in a first direction. A controller is coupled to the door latch and the sensor. The controller is operable to analyze the acceleration data to determine the cause of the acceleration. | 12-12-2013 |
20130305723 | COMPRESSOR SYSTEM INCLUDING GEAR INTEGRATED SCREW EXPANDER - A compressor system includes a gear box having a first drive gear, a second drive gear and a first driven gear. A prime mover is coupled to the first drive gear and is operable to input rotational power to the gear box and a compressor is coupled to the first driven gear and is operable in response to rotation of the first driven gear to produce a flow of compressed gas. A heat exchanger is positioned to receive the flow of compressed gas and a flow of fluid and is operable to cool the flow of compressed gas and heat the flow of fluid to produce a flow of heated gas. A screw expander is coupled to the second drive gear and is operable in response to the flow of heated gas to input rotational power to the gear box. | 11-21-2013 |
20130255980 | CORDLESS POWER TOOLS WITH A UNIVERSAL CONTROLLER AND TOOL AND BATTERY IDENTIFICATION - A controller in a cordless power tool is configured to electronically read an identifier (e.g., a battery characterizing resistor) in a battery and identify the battery characteristics that is being powered. The controller can also define the suitable performance or output parameters of the tool for an identified tool type using a defined electronic library or menu of different tool types that is correlated to associated operational profiles. | 10-03-2013 |
20130255292 | SYSTEM AND METHOD FOR COOLING POWER ELECTRONICS USING HEAT SINKS - A heat pump includes a main refrigerant circuit having a compressor, an indoor heat exchanger, and an outdoor heat exchanger, and a reversing valve. A biflow expansion valve is configured to receive condensed liquid refrigerant and to expand the refrigerant. A cooling circuit in fluid communication with the main refrigerant line includes an expansion device configured to receive a portion of condensed liquid refrigerant from the main refrigerant circuit and to expand the portion of condensed liquid refrigerant. A heat sink is configured to receive the expanded portion of refrigerant from the expansion device. Power electronics are coupled to the heat sink such that the portion of expanded refrigerant from the expansion device passes through the heat sink and cools the power electronics. | 10-03-2013 |
20130228356 | POWER TOOLS WITH TITANIUM HAMMER CASES AND ASSOCIATED FLANGE INTERFACES - Power tools with housings or hammer cases include a thin wall titanium shell tapering from a smaller forward section to a larger rearward section; with at least the rearward section having a wall with a substantially constant wall thickness and an interface flange that includes an outer perimeter profile that is curvilinear and defines a plurality of outwardly extending detents that provide an interference fit with the wall of the hammer case. | 09-05-2013 |
20130155698 | AMPLIFICATION CIRCUIT AND HEAT SINK USED WITH A LIGHT EMITTING APPARATUS HAVING VARYING VOLTAGES - A light emitting apparatus having a housing including a portion defining a thermally conductive outer surface, a light source positioned within the housing, and an internal heat sink thermally coupling the light source and the thermally conductive outer surface portion of the housing. The light source may be a solid state device, such as a light emitting diode. | 06-20-2013 |
20130058799 | COMPRESSOR SYSTEM INCLUDING A FLOW AND TEMPERATURE CONTROL DEVICE - A thermal control valve for use in a lubricant flooded compressor system including a controller that generates a control signal includes a valve body including a hot coolant inlet, a cooled coolant inlet, a mixed coolant outlet, an actuator space, and a cylinder bore. A sleeve is positioned within the cylinder bore and is movable between a first position, a second position, and a third position, and an electrical actuator is at least partially disposed within the actuator space and is operable in response to the control signal to move the sleeve between the first position, the second position, and the third position. | 03-07-2013 |
20130020061 | FORMED MICROCHANNEL HEAT EXCHANGER - A heat exchanger ( | 01-24-2013 |
20120321486 | COMPRESSOR SYSTEM INCLUDING A FLOW AND TEMPERATURE CONTROL DEVICE - A compressor system including a gas and a lubricant inlet. The compressor compresses a gas and discharges a mixed flow of compressed gas and lubricant. A valve housing includes a hot and a cooled lubricant inlet, and a lubricant outlet connected to the hot and cooled lubricant inlets. A sleeve is disposed within the valve housing and is movable between a first and a second position. The sleeve defines a mixing chamber and includes a first aperture with the hot lubricant inlet and a second aperture with the cooled lubricant inlet. The hot and cooled lubricant mix in the mixing chamber are directed to the lubricant inlet of the compressor. A thermal element is positioned to sense a temperature and moves the sleeve in response. The movement of the sleeve varys the amount of hot lubricant admitted through the first aperture and varys the amount of cooled lubricant admitted through the second aperture to control a lubricant temperature. | 12-20-2012 |
20120308420 | AIR MOTOR HAVING CERAMIC VALVES - An air motor includes ceramic valves and valve plates to enhance performance and efficiency of the air motor. | 12-06-2012 |
20120294745 | AIR MOTOR HAVING A MODULAR ADD ON REGULATOR - A pump assembly including an air motor includes a modular relief valve assembly connected to a motive fluid inlet of the air motor. The modular relief valve assembly has a housing that contains an actuator assembly, a ball valve assembly, a bleed valve, a first pressure adjustment assembly, and a second adjustment assembly. The housing includes a motive fluid inlet port, a pressure regulator outlet, a bleed valve port, an actuator support, a pressure adjustment chamber, and a ball valve chamber. The pressure regulator assembly includes at least one gauge that displays at least one measurement parameter. | 11-22-2012 |
20120294744 | AIR MOTOR HAVING DROP TUBE WITH KNUCKLE ENDS - An air motor for a pump assembly including a drop tube communicating between an upper chamber port and a top plate port and including a longitudinal axis that is at an angle of between about 0° and 10° with respect to each of the upper chamber longitudinal axis and the top plate port longitudinal axis. The drop tube has a substantially constant internal diameter, a first generally bulbous end, a second generally bulbous end, and first and second slots defined in the respective first and second bulbous ends. First and second seals are positioned in the respective first and second slots, and the first and second seals air-tightly seal an outer surface of the drop tube within the upper chamber port and the top plate port. | 11-22-2012 |
20120285559 | FORMED SEAL RING FOR A LIQUID GAS SEPARATING ELEMENT - A gas compression system includes a compressor operable to discharge a mixed flow of gas and lubricant, a separator tank including an opening having a first face, and a separator element including a disk portion having a second face and a third face. The separator element is positioned at least partially within the opening and is operable to separate at least a portion of the lubricant from the mixed flow of gas and lubricant. A lid is coupled to the separator tank and includes a fourth face. A one-piece seal ring is coupled to the disk and is compressed between the lid, the disk, and the separator tank to define a first airtight seal between the first face and the second face and a second airtight seal between the third face and the fourth face. | 11-15-2012 |
20120263586 | INLET GUIDE VANE FOR A COMPRESSOR - A compressor assembly ( | 10-18-2012 |
20120255749 | ROTARY IMPACT DEVICE - The present invention provides methods and systems for a rotary impact device having an annular exterior surface for use with an impact wrench for providing torque to a fastener. The rotary impact device includes an input member having an input recess for receiving the anvil of the impact wrench, an output member having an output recess for receiving the fastener, and an inertia member. The inertia member is stationary and positioned on the exterior surface of the rotary impact device for increasing the torque applied to the fastener. | 10-11-2012 |
20120206163 | Method for Monitoring a Permanent Magnet Motor - A test setup for a permanent magnet motor provides a method for identifying symmetry or asymmetry in the magnetic fields of the motor's permanent magnets. The setup comprises a test circuit that includes a fixed reference node that provides a stable reference to which the motor's common node can be compared. Observing the waveform of the voltage between the two nodes while the motor is running helps identify an imbalance in the magnetic fields of the motor's permanent magnets. | 08-16-2012 |
20120205506 | PORTABLE LOCK MOUNTING ASSEMBLY - A portable lock mounting assembly including a body defining a lock retaining mechanism and a contact surface. A strap having first and second ends is attachable to the body such that a loop facing the contact surface is defined by the strap. A cam member is supported by the body adjacent the contact surface and is pivotal between a first position wherein the cam member extends generally parallel to the contact surface and a second position wherein the cam member extends at an angle relative to the contact surface. | 08-16-2012 |
20120187356 | HOIST LOCK BLOCK - A hoist assembly for overhead lifting including an upwardly extending attachment member, a downwardly depending shank coupled to the attachment member and having a polygonal cross sectional shape, a hoist body coupled to the downwardly depending shank, and a plate positioned between the upwardly extending attachment member and the hoist body, that defines a first circular aperture that matingly receives the polygonal shank and a second polygonal aperture laterally spaced from the first circular aperture. The plate is moveable between a first position, in which the polygonal shank extends into the first circular aperture, and a second position, in which the polygonal shank extends into the second polygonal aperture. Rotation of the attachment member with respect to the plate is permitted when the plate is in the first position, and rotation of the attachment member with respect to the plate is inhibited when the plate is in the second position. | 07-26-2012 |
20120152386 | MOTOR ASSEMBLY FOR PNEUMATIC TOOL - A valve arrangement includes an inlet conduit defining an inlet passage adapted for communication with a supply of pressurized motive fluid, a first planar surface spaced radially from the inlet conduit, first and second supply passages communicating through the first planar surface, and a rotary valve. The rotary valve includes a second planar surface abutting against the first planar surface and a valve passage communicating through the second planar surface. The rotary valve is rotatable to place the inlet passage in communication with a selected one of the first and second supply passages through the valve passage, and is adapted to conduct the pressurized motive fluid from the inlet passage to the selected one of the first and second supply passages. | 06-21-2012 |
20110265526 | PORTABLE LOCK WITH MODULAR CABLE - A lock assembly ( | 11-03-2011 |
20110204848 | CORDLESS POWER TOOL BATTERY AND CHARGING SYSTEM THEREFORE - A cordless power tool battery pack including an onboard circuit configured to electronically communicate with an associated battery charging system. The onboard circuit communicates information relating to the batter pack to a microprocessor or the like within the battery charging system and charging of the battery pack is controlled based on such communication. | 08-25-2011 |
20110056379 | MULTI-STAGE OIL SEPARATION SYSTEM INCLUDING A CYCLONIC SEPARATION STAGE - A separator for separating a liquid-gas flow into a liquid and a compressed gas includes a housing that defines an inner space and that is adapted to contain the full pressure of the compressed gas. The housing includes a liquid-gas inlet, a liquid outlet, and a gas outlet. A first stage separator is positioned to receive the liquid-gas flow from the inlet. The first stage separator is operable to separate a first portion of the liquid from the liquid-gas flow. A second stage separator includes a swirl vane separator and is positioned to receive the liquid-gas flow from the first stage separator and is operable to separate a second portion of the liquid from the liquid-gas flow. A third stage separator is positioned to receive the liquid-gas flow from the swirl vane separator and is operable to separate a third portion of the liquid from the liquid-gas flow. The first stage separator, the second stage separator, and the third stage separator are completely contained within the housing. | 03-10-2011 |
20110036606 | MOTOR ASSEMBLY FOR PNEUMATIC TOOL - A pneumatic impact wrench includes a handle assembly graspable by a user, a work attachment connected to the handle assembly, an inlet permitting air flow to drive the impact wrench, an outlet permitting air flow out of the impact wrench, a motor assembly positioned between the inlet and the outlet includes a rotor driven by the air flow between the inlet and the outlet. The motor assembly defines a longitudinal motor axis about which the rotor rotates. An output drive is connected to the motor assembly to selectively rotate in response to rotation of the rotor, the output drive defines a longitudinal output axis about which the output drive rotates, the longitudinal output axis is substantially perpendicular to the longitudinal motor axis, and an impact mechanism is positioned between the motor assembly and the output drive to selectively drive the output drive in response to rotation of the rotor. | 02-17-2011 |
20100326243 | RATCHET WRENCH WITH COLLAR-ACTUATED REVERSING MECHANISM - A ratchet wrench has a handle and a ratchet housing that both extend along a first axis. A drive body is connected for rotation relative to the ratchet housing about a second axis, perpendicular to the first axis. A yoke substantially encircles the body and is connected to the ratchet housing and a direction selector is coupled to the drive body and extends along the second axis. The direction selector is rotatable about the second axis with respect to the drive body between a first position, in which the yoke is fixed for counterclockwise rotation with the drive body about the second axis, and a second position, in which the yoke is fixed for clockwise rotation with the drive body about the second axis. A direction actuator is connected to the direction selector for rotation about the first axis to move the direction selector between the first and second positions. | 12-30-2010 |
20100277014 | RFI SUPPRESSION SYSTEM AND METHOD OF MOUNTING FOR DC CORDLESS TOOLS - A hand tool RFI suppression system comprising a DC motor having a conductive housing, a power supply and a suppression circuit board supporting at least one suppression assembly and at least one ground circuit electrically coupled to the suppression assembly. The suppression circuit board is mounted to the motor housing with the at least one suppression assembly electrically coupled in parallel between the power supply and the DC motor and the ground circuit is electrically coupled to the motor housing. A method of suppressing RFI in a power hand tool is also provided. | 11-04-2010 |
20100252292 | SPINDLE LOCKING ASSEMBLY - A locking assembly for the spindle of a tool includes a locking member, a biasing member interconnected with the locking member, and a collar surrounding a portion of the spindle. The spindle includes a spindle slot that receives the locking member to lock the spindle with respect to the tool housing. The collar may be rotated into an unlocked position in which the biasing member holds the locking member out of engagement with the spindle slot. The collar may also be rotated into a locked position in which a cam surface in the collar acts on the biasing member to apply a biasing force on the locking member toward engagement with the spindle slot. The biasing member may deflect to accommodate rotation of the collar into the locked position with the spindle slot not aligned with the locking member. | 10-07-2010 |
20100251985 | AIR STARTER ENGAGEMENT SYSTEM - A method of starting an engine with an engine starter that includes pressurizing a motor supply chamber with a fluid, selectively pressurizing an actuating chamber in response to the pressure in the motor supply chamber, moving a first valve along a first axis in response to pressure in the actuating chamber and moving a pinion toward engagement with the engine in response to movement of the first valve. The method further includes further pressurizing the actuating chamber, moving a second valve along a second axis in response to the further pressure in the actuating chamber, rotating the pinion in response to movement of the second valve, meshing pinion teeth with teeth on the engine, and starting the engine in response to rotation of the pinion. | 10-07-2010 |
20100218572 | U-LOCK CROSS BRACE - A cross brace for securing on a U-lock having a U-shaped shackle with the cross brace comprising first and second engaging members and a connecting member therebetween. The first engaging member defines a first through bore having a first opening and a first central axis. The second engaging member defines a second through bore having second opening and a second central axis. The connecting member extends between and connects the first and second members relative to one another such that an opening plane extending between the first and second openings and intersecting the first and second central axes is at an acute angle relative to the first and second central axes. | 09-02-2010 |
20100178174 | COMPRESSOR SYSTEM - A compressor system includes a lead compressor operable to produce a flow of compressed fluid at a first output and a lag compressor operable to produce a flow of compressed fluid at a second output. The sum of the first output and the second output defines a system output. A lead variable speed motor is operable to drive the lead compressor at a first compressor speed to vary the first output and a lag variable speed motor is operable to drive the lag compressor at a second compressor speed to vary the second output. A sensor is operable to measure a system load, and a lead motor drive is operable to control the speed of the lead variable speed motor and to set a desired operating state of the lag variable speed motor in response to a comparison of the system load and the system output. | 07-15-2010 |
20100139432 | DISC-SHAPED TORQUE TRANSDUCER - A power tool includes a motor having an output shaft that defines an axis, a drive train connected to the output shaft and operable to drive a tool output and a housing at least partially surrounding the motor and the drive train. The power tool further includes a reference disk fixed to the housing, a collar including internal teeth that engage at least a portion of the drive train and a torque transducer having a hub, a web and a rim. The torque transducer is positioned between the collar and the reference disk such that the rim is connected to the collar and the hub is connected to the reference disk. The web defines a first thickness measured parallel to the axis and the rim defines a second thickness measured in a radial direction with respect to the axis, such that the second thickness is greater than the first thickness. | 06-10-2010 |
20100072782 | MULTI-PURPOSE INTERIOR FOR CAB APPLICATIONS - An interior for a cab of a construction vehicle, the interior including a base, a seat mount formed as a part of the base, an air-conditioning component mount formed as a part of the base, a control mount formed as a part of the base, a duct formed as a part of the base that includes an inlet, an outlet, and a substantially enclosed space between the inlet and the outlet, and a storage compartment formed as a part of the base. | 03-25-2010 |
20100043895 | VALVE ASSEMBLY WITH LOW RESISTANCE PILOT SHIFTING - A valve arrangement for placing a supply of motive fluid in alternating communication with first and second motive fluid chambers. The valve arrangement includes a power valve including a supply chamber, a pilot chamber, and a shiftable member separating the supply chamber from the pilot chamber. The valve arrangement also includes a pilot valve actuable between an on condition in which the pilot valve generates a pilot signal that shifts the power valve, and an off condition in which the pilot valve does not generate the pilot signal. At least a portion of the pilot valve is exposed to motive fluid, and the portion of the pilot valve exposed to motive fluid includes surface areas giving rise to a net zero actuating force arising from pressure of the motive fluid. Because there is no biasing force on the pilot valve, the pilot valve is shifted between the on and off conditions without significant resistance. | 02-25-2010 |
20100028174 | CHECK VALVE HAVING INTEGRALLY FORMED SEAT AND SEAL BODY - A valve assembly includes first and second conduits having respective first and second flanges in abutment with each other, a stopper in the second conduit, and a valve body secured between the first and second flanges. The valve body includes a body bore in communication between the first and second conduits. The body bore defines a circular opening in one end of the valve body. The valve body also includes a circumferential notch that substantially insulates the circular opening from distortion arising from securing the valve body. The stopper snuggly seats against the circular opening to prevent fluid flow from the second conduit to the first conduit, but unseats to permit fluid flow from the first conduit to the second conduit. An o-ring may surround a portion of the valve body and be energized as the valve body is secured. A lip may surround the circular opening to provide a seat for the stopper. | 02-04-2010 |
20090301144 | LOCK MASTER KEYING EVALUATION SYSTEM AND METHOD - A method of evaluating a master key system. The method comprises entering criteria for the master key system and determining the available master key cuts and change key cuts based on the criteria. The determined available master key cuts and change key cuts are arranged under a standard progression format including at least two page masters. Each page master is displayed as a graphical page master arranged graphically relative to the other graphical page masters based on the master key hierarchy. The information is displayed as a master key illustrator. | 12-10-2009 |
20090282876 | PORTABLE LOCK WITH ELECTRONIC LOCK ACTUATOR - A lock assembly including a body and at least one locking member. An actuator mechanism within the body is moveable between locked and unlocked positions. The actuator mechanism may be actuated by either a key lock cylinder or an electronic actuator. The lock assembly may also include a memory configured to store user identification information. | 11-19-2009 |
20090272925 | MOTOR ASSEMBLY FOR PNEUMATIC TOOL - A valve arrangement includes an inlet conduit defining an inlet passage adapted for communication with a supply of pressurized motive fluid, a first planar surface spaced radially from the inlet conduit, first and second supply passages communicating through the first planar surface, and a rotary valve. The rotary valve includes a second planar surface abutting against the first planar surface and a valve passage communicating through the second planar surface. The rotary valve is rotatable to place the inlet passage in communication with a selected one of the first and second supply passages through the valve passage, and is adapted to conduct the pressurized motive fluid from the inlet passage to the selected one of the first and second supply passages. | 11-05-2009 |
20090272556 | ANGLE HEAD AND BEVEL GEAR FOR TOOL - An angle head for use with a power tool includes an angle housing defining first and second non-parallel axes and a pinion shaft supported within the angle housing for rotation about the first axis. The pinion shaft has a first end that includes a plurality of pinion teeth, and a second end adapted to be engaged by a motor of a power tool. The angle head also includes a bevel gear supported in the angle housing for rotation about the second axis. The bevel gear includes an upper shaft, a toothed portion, and an output spindle. The upper shaft, toothed portion, and output spindle are integrally formed as a single, monolithic structure. The toothed portion is between the upper shaft and output spindle. The toothed portion includes a plurality of bevel teeth in meshing engagement with the pinion teeth such that rotation of the pinion shaft about the first axis causes rotation of the bevel gear about the second axis. | 11-05-2009 |
20090272554 | MOTOR ASSEMBLY FOR PNEUMATIC TOOL - A motor arrangement for a pneumatic tool includes a motor cylinder defining a motor chamber, an inlet passage adapted to receive a flow of motive fluid, forward and reverse passages communicating with the motor chamber, a throttle port, and at least one exhaust port. A motor rotor rotates in a forward direction in response to motive fluid flowing into the motor chamber from the forward passage and in a reverse direction in response to motive fluid flowing into the motor chamber from the reverse passage. A valve actuates to selectively place one of the forward and reverse passages in communication with the inlet passage for the provision of motive fluid from the inlet passage to the selected one of the forward and reverse passages. A throttle mechanism including a throttle actuator extends through the throttle port and is actuable to control the flow of motive fluid through the inlet passage. | 11-05-2009 |
20090218164 | DOUBLE THROAT PULSATION DAMPENER FOR A COMPRESSOR - A method of attenuating fluid dynamic pulsations that propagate through a flow of fluid at a convective velocity of the fluid, the pulsations having an organized vortical structure includes directing the flow to a pulsation dampener inlet having a first area and transitioning the organized vortical structure to a small-scale turbulent structure by squeezing the vorticies by passing the flow of fluid through a passage having a second area that is smaller than the first area, then rapidly expanding the flow of fluid by passing it into a chamber having a third area measured at an inlet of the chamber that is substantially larger than the second area. The method also includes discharging the flow of fluid from the chamber. The flow of fluid includes substantially attenuated fluid dynamic pulsations and acoustic pulsations that travel through the flow of fluid at the speed of sound. | 09-03-2009 |
20090194306 | POWER TOOL HOUSING SUPPORT STRUCTURES - A tool housing which in one aspect includes a body defining a head portion with a handle portion depending therefrom to define a forward and/or a rear junction. A metal reinforcing member is configured to span along an inside surface of the body from the head portion to the handle portion such that the reinforcing member bridges either the forward or rear junction. In another aspect, the tool assembly comprises a tool housing body, a motor positioned within the tool body housing, a drive mechanism connected with the motor to define a unitary motor/drive mechanism assembly, and at least one elastic isolating member extending about a portion of the motor/drive mechanism assembly such that the motor/drive mechanism assembly is elastically isolated relative to the housing body. | 08-06-2009 |
20090123306 | COUPLING ELEMENT COOLING ARRANGEMENT - A rotating system includes a drive member and a driven member. The rotating system includes a coupling positioned to rotatably couple the drive member to the driven member and a housing surrounding a portion of the coupling to define an inside and an outside, the housing having a plurality of apertures. A fan is coupled to the coupling and operable to produce a flow of air from the inside to the outside via at least one of the plurality of apertures, and a guide tube is positioned within one of the plurality of apertures to guide a flow of air from the outside to the inside. | 05-14-2009 |
20090120114 | COMPRESSOR WITH FLOW CONTROL SENSOR - A compressor discharges a flow of compressed fluid at a predetermined temperature. The compressor includes a sensor positioned to measure a first temperature indicative of the temperature of the compressed fluid, a coolant source, a cooler positioned to receive a first flow of coolant from the coolant source and discharge a flow of cooled coolant, and a valve positioned to receive the flow of cooled coolant and a second flow of coolant from the coolant source. The valve is configured to discharge a coolant flow to the compressor and the coolant flow has a ratio of cooled coolant to second flow of coolant that is variable in response to the first temperature. | 05-14-2009 |
20080315795 | AMPLIFICATION CIRCUIT AND HEAT SINK USED WITH A LIGHT EMITTING APPARATUS HAVING VARYING VOLTAGES - A light emitting apparatus for regulating a current output of an LED at predetermined value with a power source having a wide variety of voltages and chemistries is described. A light emitting diode is electrically coupled to the voltage source. A pulse width modulation controller controls a duty cycle of the voltage applied. A resistor electrically coupled between the voltage source and the light emitting diode is used to regulate output current for the LED. An amplification circuit is electrically coupled to the resistor and the pulse width modulation controller for supplying a feedback voltage to the pulse width modulation controller that is higher than a voltage measured across the resistor. | 12-25-2008 |
20080314106 | PROGRAMMABLE LOCK CYLINDER ASSEMBLY - A programmable lock cylinder assembly comprising a lock housing and a cylinder plug mounted for rotation within the housing. A set of rack pins are positioned in the cylinder plug and moveable between a locked position and an unlocked position. A set of tongue pins are positioned in the cylinder plug and extend across the keyway. Each tongue pin is selectively engagable with a respective rack pin. A re-combinating member is engaged with the tongue pins and moveable between a first position wherein the tongue pins are engaged with the rack pins and a second position wherein the tongue pins are disengaged from the rack pins. A reset actuator is positioned within the cylinder plug and moveable between an engaged position wherein the re-combinating member position is locked relative to the cylinder plug and a non-engaged position wherein the re-combinating member position is moveable relative to the cylinder plug. | 12-25-2008 |
20080282820 | BALANCED BEARING ASSEMBLY - An engine starter includes a motor housing having an inlet and an outlet for a motive fluid, a fluid-driven motor within the motor housing, the motor including a rotor and a stator, the stator directing a flow of fluid over the rotor, thereby inducing rotation of the rotor about an axis and exerting an axial force on the rotor and an output shaft operably coupled to the rotor such that rotation of the rotor drives rotation of the shaft about the axis. A front and a rear ball bearing assembly support the rotor. A front biasing member is pre-loaded to exert a first biasing load on the front ball bearing assembly and a rear biasing member is pre-loaded to exert a second biasing load on the rear ball bearing assembly in opposition of the axial force exerted on the rotor. The biasing members distribute the axial force between the two ball bearing assemblies. | 11-20-2008 |
20080282702 | INTEGRATED ABSORPTION REFRIGERATION AND DEHUMIDIFICATION SYSTEM - An integrated absorption refrigeration and dehumidification system includes an absorber containing an absorption solution, an after-cooler having a flow path to receive the solution and a flow path to receive a warm fluid, the flow paths being thermally coupled to separate a refrigerant from the solution, and an auxiliary heat exchanger having a flow path to receive the solution from the after-cooler and a flow path to receive a warm fluid, the flow paths being thermally coupled to separate more refrigerant from the solution. The system also includes a condenser positioned to receive and cool the refrigerant from the auxiliary heater, an expansion valve positioned to receive the refrigerant from the condenser, an evaporator positioned to receive the refrigerant from the expansion valve and the warm fluid from the after-cooler, and a separator to remove condensate from the warm fluid from the after-cooler or a cool fluid from the evaporator. | 11-20-2008 |
20080276893 | SINGLE PIECE ROTOR - A starter for moving a movable portion of an engine to start the engine includes a gear housing, a gear assembly within the gear housing, an output member at a first end of the gear assembly adapted to operably couple to the movable portion of the engine, a motor housing, and a rotor rotatably mounted within the motor housing. The rotor has a shaft portion and a vane portion that are an integral, unitary piece. The shaft portion has splines for mating with the gear assembly. The splines prevent relative rotational movement between the rotor and the gear assembly and permit relative axial movement. The rotor is formed from aluminum and at least a portion of the rotor includes an anodized coating. | 11-13-2008 |
20080257295 | REAR SERVICEABLE ENGINE STARTER - A starter includes: a gear housing mounted near an engine to be started; a speed reducing gear assembly within the gear housing; an output member aligned with a movable portion of the engine and rotatable under the influence of the gear assembly to move the movable portion to initiate operation of the engine; a motor housing mounted to the gear housing; and a fluid-driven motor within the motor housing and including a motor shaft rotating at a first speed to drive rotation of the speed reducing gear assembly, such that the output member is driven at a second speed lower than the first speed. The motor housing and motor are serviceable without changing the alignment of the output member relative to the movable portion of the engine. | 10-23-2008 |