| INGERSOLL-RAND COMPANY Patent applications |
| Patent application number | Title | Published |
|---|
| 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 |
