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Eaton Corporation

Eaton Corporation Patent applications
Patent application numberTitlePublished
20120124967Adaptive Control Strategy - A vehicle has an exhaust aftertreatment system including an LNT. The vehicle operates through a series of ignition cycles, deNO05-24-2012
20120118602ELECTRICAL DISTRIBUTION PANEL ENCLOSURE ACCESS DOOR - Apparatus and methods for providing an electrical distribution panel enclosure including a front door and an access door. The enclosure has a rear wall having side walls, a top wall, and a bottom wall extending from the rear wall to define a front opening to an interior of the enclosure. The enclosure houses a plurality of electrical devices. The front door is coupled to the enclosure to cover the front opening. The front door also includes an access opening that provides access to less than all of the plurality of the electrical devices when the front door is closed. The access door is coupled to the front door and covers the access opening. The access door moves with respect to the front door to provide access to less than all of the plurality of electrical devices.05-17-2012
20120097642SELF-PRESSURIZED ARC DIVERTER - A self-pressurized arc diverter includes a vessel configured to enclose a fusible member disposed in a conductor and a pressure-activated arc diverter. The pressure-activated arc diverter is configured to provide access to a preferred arc path when actuated by pressure in the vessel caused by an arc that is created when the fusible member opens.04-26-2012
20120093968HYDRAULIC DRIVE CIRCUIT WITH PARALLEL ARCHITECTURED ACCUMULATOR - A hydraulic circuit architecture for use in a drive circuit having a hydraulic pump for driving a load is disclosed. The hydraulic circuit architecture includes a flow control valve for controlling a hydraulic fluid flow rate supplied from the hydraulic pump to the load. The hydraulic circuit architecture also includes a hydraulic fluid accumulator arranged in parallel with respect to the flow control valve. Hydraulic circuit architectures having multiple accumulators arranged in parallel with respect to the flow control valve are also disclosed.04-19-2012
20120091122SELECTIVE CASE DEPTH THERMO-MAGNETIC PROCESSING AND APPARATUS - A method of altering characteristics of a workpiece comprising electrically conductive material includes exposing the workpiece to a magnetic field and exposing the workpiece to an induction field configured to cause heating current to flow through only a selected portion of the workpiece while the workpiece is exposed to the magnetic field. The induction field has a frequency such that the selected portion is less than the entire body of the workpiece or substantially only the outer surface of the workpiece. The method of altering characteristics of a workpiece may further include heating the entire body of the workpiece to a first temperature while the workpiece is exposed to the magnetic field and before exposing the workpiece to the induction field. The method of altering characteristics of a workpiece may further include quenching and tempering the workpiece in the magnetic field.04-19-2012
20120090966AUTOMATIC TRANSFER SWITCH WITH TRANSFER INHIBITOR - Apparatuses and methods for providing a capability to prevent an automatic transfer switch from automatically switching from a primary to a secondary power source are illustrated. The automatic transfer switch includes a transfer inhibitor that is configured to receive a transfer inhibit signal. In response to receiving the transfer inhibit signal, a switching logic is configured to prevent a contactor of the automatic transfer switch from automatically connecting the secondary source to a load.04-19-2012
20120080851WELDED BELLOWS SEAL ASSEMBLY - A welded bellows seal assembly is provided. In an embodiment, a welded bellows seal assembly includes a seal ring including a seal ring shell, an outer housing; and a bellows extending from a portion of the seal ring shell to a portion of the outer housing. The seal ring shell may include a bellows segment that extends longitudinally over the bellows. Moreover, in embodiments, the bellows may be connected to the seal ring at a lower inner diameter portion of the seal ring shell. Embodiments of the seal assembly may permit the tuning of the seal assembly to improve resistance physical effects, such as twisting, under anticipated operational conditions.04-05-2012
20120061184Transmission Pump - This invention provides both a pump and a lubrication and cooling system with a pump which includes a pump housing, a rotor, a relief valve and a bypass valve. The relief valve is configured to relieve pump pressure when the pump pressure is indicative of an abnormal restriction of flow. The bypass valve is configured to direct fluid flow from an outlet chamber of the pump to an intake chamber of the pump when pressure in the outlet chamber is at a value associated with a predetermined speed of rotor rotation.03-15-2012
20120042774DISPLACEMENT ASSEMBLY FOR A FLUID DEVICE - A displacement assembly includes a rotor and a plurality of reciprocating members in engagement with the rotor. The displacement assembly further includes a ring assembly. The ring assembly defines a cam surface that is in engagement with the reciprocating members. The ring assembly has a first ring and an axially adjacent second ring with at least one of the first and second rings being adapted for selective movement relative to the other between a neutral position and a displaced position. The first ring has a first ring portion defining a bore that has an inner surface. The second ring has a second ring portion defining a bore that has an inner surface. A first circumferential portion of the inner surface of the first ring portion and a second circumferential portion of the inner surface of the second ring portion define the cam surface in the displaced position.02-23-2012
20120037473INTEGRATED CLUTCH SUPERCHARGER - A clutch assembly configured for use with a supercharger comprises a first shaft having a longitudinal axis; a pulley connected to the first shaft; a clutch rotor connected to the first shaft; a clutch armature unconnected to the first shaft; and a clutch coil spaced along the longitudinal axis from the pulley. The clutch rotor rotates around the longitudinal axis. The clutch armature also rotates around the longitudinal axis. The diameter of the pulley is independent of the diameters of the clutch rotor, the clutch armature, and the clutch coil. A supercharger including the clutch assembly is also provided.02-16-2012
20120037107SINGLE LOBE DEACTIVATING ROCKER ARM - A deactivating rocker arm for use with a cam having at least one no-lift safety lobe is provided. Safety lobe contacting surfaces on the rocker arm are configured for contact with safety lobes during abnormal operation of the rocker arm. When the rocker arm is deactivated, the safety lobe contacting surfaces may come into contact with safety lobes when excessive pump-up of a lash adjuster brings the rocker arm undesirably close to the rotating cam. This contact limits the range of motion of the rocker arm during certain instances of abnormal operation, promoting more effective transition between deactivated and activated states and preventing damaging contact between the rocker arm and the cam lobe.02-16-2012
20120034121BALANCE PLATE ASSEMBLY FOR A FLUID DEVICE - A fluid device includes a displacement assembly and a balance plate assembly disposed adjacent to the displacement assembly. The displacement assembly includes a ring and a rotor disposed in a bore of the ring. The ring and rotor cooperatively define a plurality of volume chambers. The balance plate assembly includes a housing that defines a cavity. A balance plate is disposed in the cavity. The balance plate includes a first end surface and an oppositely disposed second end surface. The balance plate is adapted to move axially between a first position in which the second end surface of balance plate abuts a first end face of the ring to a second position in which the second surface of the balance plate is recessed in the cavity.02-09-2012
20120028526FRICTION MEMBER AND FRICTION MATERIAL THEREOF - A friction material includes a resin and a fibrous base material impregnated with the resin. The fibrous base material has a single ply, and includes a plurality of aramid fibers present in a first amount, a plurality of polyacrylonitrile-based carbon fibers present in a second amount that is less than the first amount, and diatomaceous earth present in a third amount that is greater than the first amount. The fibrous base material is substantially free from activated carbon. A friction member for operatively contacting a lubricated surface includes a substrate and a friction material. The friction material defines a first surface bonded to the substrate and a second surface configured for operatively contacting the lubricated surface.02-02-2012
20120028035FRICTION MEMBER AND FRICTION MATERIAL THEREOF - A friction material includes a resin and a fibrous base material impregnated with the resin. The fibrous base material has a single ply, and includes a plurality of aramid fibers present in a first amount, a plurality of polyacrylonitrile-based carbon fibers present in a second amount that is less than the first amount, and diatomaceous earth present in a third amount that is greater than the first amount. The fibrous base material is substantially free from activated carbon. A friction member for operatively contacting a lubricated surface includes a substrate and a friction material. The friction material defines a first surface bonded to the substrate and a second surface configured for operatively contacting the lubricated surface.02-02-2012
20120024265RELIEF VALVE AND FUEL VAPOR VALVE ASSEMBLY - A valve assembly is provided that can perform an overpressure relief function to vent fluid from a first component, such as to vent fuel vapor from a fuel tank, to a second component, such as a carbon canister, without being affected by the vapor pressure in the vent line to the second component. That is, the valve opens to provide pressure relief when needed regardless of the vapor pressure against which it opens. The valve assembly may also include a solenoid that is controllable to allow fluid flow separately from the movement in response to vapor pressure.02-02-2012
20120012583OVERFILL PREVENTION CONTROL FOR FLUID STORAGE CONTAINER - An overfill prevention device is provided for preventing overflow of a fluid storage tank. The overfill prevention device includes a filler cup designed to fit within the fill opening of the tank body and attach thereto. A seal that is adapted for receiving and sealing to a fill nozzle is placed between upper and lower regions of the filler cup. A breather piece, which defines a vapor path with first and second openings, is integrated with the filler cup. The first opening of the breather piece is fluidly coupled to the lower cup region, whereas the second opening is positioned above the first opening, located at or below the full level of the storage tank.01-19-2012
20120012219Dielectric Isolators - The present application is directed to dielectric isolators for use in aircraft fuel systems to control lightning induced current and allow dissipation of electrostatic charge. The dielectric isolators are configured to have a high enough impedance to limit lightning currents to low levels, but low enough impedance to allow electrostatic charge to dissipate without allowing buildup. Although the dielectric isolators may develop a potential difference across the dielectric length due to the effects of lightning currents and its inherent impedance, they are configured to withstand these induced voltages without dielectric breakdown or performance degradation. In one embodiment, the dielectric isolator includes a tube constructed of a composition including a thermoplastic organic polymer (e.g., PEEK) and carbon nanotubes, and a pair of couplings attached to opposing ends of the tube. The dielectric isolator is capable of exhibiting an electrical resistance from about 1001-19-2012
20110309052MOVING SEAL WITH ARC CREEPAGE SURFACE FOR AN AIR CIRCUIT BREAKER - A moving seal for an air circuit breaker provides an arc creepage surface that is positioned between a pair of separable contact assemblies when the moving seal is fit into an inlet of the arc chamber. The arc creepage surface has a surface contour that increases a length of an arc travel path between the separable contact assemblies, relative to a straight line distance between of separable contact assemblies.12-22-2011
20110307115AUTOMATIC MATCHING OF SOURCES TO LOADS - A method of matching sources to loads includes affecting load activity at a load with a pattern, receiving source activity data representing source activity at a plurality of sources, and matching the load to at least one source based on the source activity data. A system for matching sources to loads includes a load activity manipulator operably connected to a load and configured to affect load activity of the load with a pattern. The system for matching sources to loads further includes an activity monitor configured to receive source activity data representing source activity at the sources. The system for matching sources to loads also includes a matching engine operably connected to the activity monitor and configured to match the load to at least one source based on the source activity data.12-15-2011
20110307111AUTOMATIC MATCHING OF SOURCES TO LOADS - A method of matching sources to loads includes receiving load activity data and source activity data corresponding to samples of activity over a time period at a plurality of loads and a plurality of sources, respectively. The method of matching sources to loads further includes scoring similarity between the load activity and the source activity based on the load activity data and the source activity data, and matching loads to sources based on the scoring.12-15-2011
20110304244Adjustable rail mounting system - Horizontally-mounted rail tracks are adjustably coupled to vertical rack mount rails with slidable connectors. The rail tracks are configured to contain the connectors while allowing the connectors to traverse the length of the rail track. The connectors are coupled to the rails via a threaded stud that projects through an opening in the rail, and a pair of support tabs that protrude through slots in the rail. The rail tracks comprise positioning slots that are visible through windows on the rails. The connectors include an indicator band in a color that contrasts with the color of the rail track, such that the indicator band is visible through one the positioning slots, to enable the user to vertically align both ends of the rails with respect to the tracks. The rails are coupled to the rail tracks via index tabs that engage index slots on the rail tracks, and the rails are locked into place with threaded female connectors.12-15-2011
20110303476Optimized clutch bearing lubrication path for preloaded hydraulic linkage applications - The present invention provides an arrangement of a vehicle with a clutch release bearing and a lubrication path through a bell housing of a transmission.12-15-2011
20110303048Adapter for Connecting a Countershaft Transmission with an Electric Hybrid System - This invention provides a common means of coupling an alternative power source to a vehicle's drive wheels which is particularly well suited for use with a countershaft-type transmission. This invention also addresses clutch wear by eliminating the need to engage the frictional clutch to launch the vehicle. This invention also improves the acceleration of the vehicle compared to a typical dry friction clutch launch by relying on a supplemental motor and associated control system to transfer more power to the drive wheels more quickly than would be transferred by a typical launch engagement of a dry friction clutch in a commercial vehicle.12-15-2011
20110302847ADJUSTABLE LOCK BODY ASSEMBLY - An adjustable lock body assembly is provided that selectively secures an enclosure door in the closed position. The adjustable lock body assembly is affixed to the enclosure and is configured to be, at the same time, moveable with respect to the enclosure while the door is in the closed position and operable to selectively secure the enclosure door.12-15-2011
20110297473HYDRO-MECHANICAL STEERING UNIT WITH INTEGRATED EMERGENCY STEERING CAPABILITY - A steering system includes a steer-by-wire (SBW) valve, a main steering pump, a steering actuator, and a steering control unit (SCU). The SCU is in fluid communication with the actuator via a pair of fluid conduits, and includes upper and lower portions. The upper portion contains a first solenoid valve and a cross-over check valve assembly. The lower portion contains a fluid control valve. An ECU generates a steering input signal in response to steering wheel rotation, and transmits the signal to the SBW valve. The SCU controls the first solenoid valve to deliver fluid from the lower portion to the actuator via the cross-over valve assembly in an emergency steering mode, and also controls the first solenoid valve to prevent flow into the actuator and allow recirculation of fluid within the lower portion in a torque feel mode.12-08-2011
20110284311CONTROL VALVE ASSEMBLY FOR ELECTRO-HYDRAULIC STEERING SYSTEM - A steering system includes a fluid pump and an electro-hydraulic steering circuit in selective fluid communication with the fluid pump. The electro-hydraulic steering circuit defines a first flow path having a first proportional valve and a first load-sense passage in selective communication with the first proportional valve. The first proportional valve includes a closed position. A hydrostatic steering circuit is in selective fluid communication with the fluid pump and defines a second flow path having a second proportional valve and a second load-sense passage in selective fluid communication with the second proportional valve. The second flow path is in a parallel flow configuration with the first flow path. An isolation valve is disposed in the first flow path in series with the first proportional valve. The isolation valve includes a closed position and is piloted to the closed position by fluid communicated through the second load-sense passage.11-24-2011
20110284099VALVE HOUSING FOR A FUEL TANK-MOUNTED VALVE ASSEMBLY AND METHOD OF MANUFACTURING SAME - A method of manufacturing a valve assembly for a fuel tank includes forming a valve housing with a recess that is sized to retain a component inserted into the recess. The component is detectable by a sensor located outside of the fuel tank when the valve assembly is mounted in the fuel tank. A valve assembly includes a valve housing having a recess. The component is retained in the recess by the valve housing.11-24-2011
20110283694STEERING SYSTEM WITH DYNAMIC SLIP REDUCTION - A steering system includes a fluid motor and a steering unit. The steering unit is in fluid communication with the fluid motor. The steering unit includes a fluid meter adapted to meter fluid to the fluid motor in response to actuation of the steering unit. A valve housing is in fluid communication with the fluid meter. The valve housing defines a valve bore. A valve assembly is disposed in the valve bore. The valve assembly defines a primary fluid path to the fluid meter and to the fluid motor from the fluid meter. The valve assembly further defines a secondary fluid path to the fluid motor that bypasses the fluid meter. An amount of fluid through the secondary fluid path is based on volumetric efficiency of the fluid motor.11-24-2011
20110277715COLD-FORMED FLAT TOP PLUNGER FOR USE IN A HYDRAULIC LASH ADJUSTER AND METHOD OF MAKING SAME - A cold-formed flat top plunger blank is provided for use in a hydraulic lash adjuster. An end wall at the first end of the plunger body defines a flat top surface that is cold-formed to final dimensions or net shape. The flat top surface at the first end of the plunger body is configured to engage a flat surface within the mating bore of an engine cylinder head. By configuring the plunger body to have a flat top surface that engages a flat surface disposed within the mating bore of an engine cylinder head, the force applied to the engine block by the lash adjuster is distributed more evenly, minimizing wear. The external flat top plunger is a unitary component cold-formed to near net shape, including cold-forming to final dimensions the flat top surface and a counterbore.11-17-2011
20110271610Aisle Enclosure System - An aisle enclosure system including ceiling bracket assemblies, ceiling panels, vertical blanking panels, aisle duct adaptors, and accessory rails, for use with equipment racks and ceiling structures in hot-aisle and cold-aisle data centers. The ceiling assemblies may be mounted to the tops of the racks or may be suspended from an area above the racks. The aisle enclosure system further includes a moveable structure that is configured and adapted to position a ceiling panel in an closed position when the moveable structure is in a first position, and position the ceiling panel in an open position when the moveable structure is in a second position, where the moveable structure is configured and adapted to move from the first position to a second position in response to an alarm condition.11-10-2011
20110268596FLUID DEVICE WITH FLEXIBLE RING - A fluid device includes a housing defining a fluid inlet and a fluid outlet. A variable displacement assembly is in fluid communication with the fluid inlet and the fluid outlet. The variable displacement assembly includes a rotor assembly, a flexible ring, and a plurality of ring supports. The rotor assembly includes a rotor having a plurality of reciprocating members. The flexible ring is disposed about the rotor assembly. The flexible ring includes an inner surface, which is adapted for engagement with the plurality of reciprocating members, and an outer surface. The plurality of ring supports is disposed about the flexible ring. Each of the plurality of ring supports includes a support portion and a pivot portion about which the ring support selectively pivots. The support portion is adapted for engagement with the outer surface of the flexible ring.11-03-2011
20110268587CONTROL OF A FLUID PUMP ASSEMBLY - A pump control assembly includes a fluid pump assembly having a fluid pump and a load sensing valve. The fluid pump includes a fluid inlet and a fluid outlet. The fluid pump includes a variable displacement mechanism. The load sensing valve is adapted to adjust the position of the variable displacement mechanism. The load sensing valve includes a first end and an oppositely disposed second end. An actuator is in fluid communication with the fluid pump assembly. A position sensor monitors the position of the actuator. A ramping valve provides selective fluid communication between the fluid outlet of the fluid pump and the first end of the load sensing valve. An electronic control unit is in electrical communication with the position sensor and the ramping valve. The electronic control unit transmits an output current to the ramping valve in response to the position of the actuator.11-03-2011
20110259701Dry clutch having solid lubricant friction stabilization inserts - The present invention provides a lever actuator rear pull dry clutch to connect an engine with a vehicle transmission. A spring retainer and/or pressure plate of the clutch assembly has a dry lubricant for sliding in pivotal engagement with the levers to maintain the efficiency of the actuation of the clutch over an extended life cycle of the clutch assembly.10-27-2011
20110253500Release bearing assembly - A release bearing assembly for an automotive clutch connecting an engine with a transmission is provided. The release bearing assembly can have a front slinger with a main body with a generally radial planar portion that at least partially covers an annular spacing between the bearing inner and outer races of the release bearing assembly. A rear slinger is provided which contacts an outer race of the bearing and forms an annular groove portion adjacent the annular spacing between the inner and outer races.10-20-2011
20110250086FRAME ROTATED HYDRAULIC MOTOR WITH IMPROVED PARKING BRAKE - A rotary fluid pressure device includes a gerotor gear set having a ring gear and a star gear orbitally moveable about a longitudinal axis relative to the ring gear. The star gear includes an annular spacer ring disposed at one end of the star gear. A brake pin is moveable along the longitudinal axis into and out of interlocking engagement with the annular spacer ring. The brake pin includes an outer surface for engaging an interior surface of the spacer ring. The outer surface of the brake pin and the interior surface of the spacer ring are each angled relative to the longitudinal axis to engage each other in a tapered engagement, to generate an axial force along the longitudinal axis to move the brake pin out of engagement with the star gear in response to a torque being applied to the star gear.10-13-2011
20110247284Clip-on Extruded Moldings for Ceiling Grid - A molding system conceals gridwork in suspended ceilings. A main or cross piece molding comprises two opposed clip assemblies for attaching to inverted T-bars. The clip assemblies comprise a vertical portion. Upper and lower fingers protrude horizontally from the vertical portion and towards the opposed clip assembly. Upward projecting arms extend from upper edges of the vertical portions and have upward edges. Horizontal arms extend from the upward edges and extend away from the clip assemblies. A decorative portion spans between distal ends of the horizontal arms. A perimeter molding for attaching to L-bars comprises a first horizontal arm configured to abut a lower portion of a horizontal surface and a second horizontal arm that is parallel to the first horizontal arm. First and second legs connect to the second horizontal arm. The second leg abuts an upper, distal portion of the horizontal surface near a hem.10-13-2011
20110227590CORROSION-RESISTANT POSITION MEASUREMENT SYSTEM AND METHOD OF FORMING SAME - A method of forming a position measurement system includes melting a surface of a substrate formed from a first material, wherein the surface defines at least one groove therein and wherein the surface is melted within the at least one groove. The method also includes, concurrent to melting, depositing a second material into the at least one groove to form a mixture of the first material and the second material. The method further includes solidifying the mixture to form an indicator material that is distinguishable from and metallurgically bonded to the first material, and depositing an alloy onto the substrate to form a corrosion-resistant cladding that covers the indicator material and the surface to thereby form the position measurement system. A position measurement system is also disclosed.09-22-2011
20110226209SWITCHING ROCKER ARM - A rocker arm for engaging a cam is disclosed. An outer arm and inner arm are configured to transfer motion to a valve of an internal combustion engine. A latching mechanism includes a latch, sleeve and orientation member. The sleeve engages the latch and a bore in the inner arm, and also provides an opening for an orientation member used in providing the correct orientation for the latch with respect to the sleeve and the inner arm. The sleeve, latch and inner arm have reference marks used to determine the optimal orientation for the latch.09-22-2011
20110226208SWITCHING ROCKER ARM - A rocker arm for engaging a cam is disclosed. An outer arm and inner arm are configured to transfer motion to a valve of an internal combustion engine. A latching mechanism includes a latch, sleeve and orientation member. The sleeve engages the latch and a bore in the inner arm, and also provides an opening for an orientation member used in providing the correct orientation for the latch with respect to the sleeve and the inner arm. The sleeve, latch and inner arm have reference marks used to determine the optimal orientation for the latch.09-22-2011
20110226047MAGNETICALLY CODED PRESSURE DETECTION APPARATUS - An apparatus for measuring pressure comprises a housing and an actuator pressure sealed to the housing and having a shaft. The actuator is configured to be in pressure communication with a volume of gas or liquid. Upon a change in pressure, the actuator is displaced at least partially in the axial direction. A sensor detects axial displacement of a magnetically encoded target upon the change in pressure in the volume. A device for measuring pressure in an engine cylinder comprises a valve in pressure communication with an engine cylinder. The valve stem has a magnetic coding located adjacent a sensor. Axial displacement of the stem under cylinder pressure is detected and pressure is obtained.09-22-2011
20110220249CONTINUOUS PRODUCTION SYSTEM FOR MAGNETIC PROCESSING OF METALS AND ALLOYS TO TAILOR NEXT GENERATION MATERIALS - A system and method for producing material characteristics are described. A magnetic treatment chamber (09-15-2011
20110218721Control for an Electromagnetic Brake for a Multiple-Ratio Power Transmission that has a Brake Actuation Counter - A control system and method for an electromagnetic clutch brake, including an electromagnetic clutch brake actuator coil surrounding a power input shaft for a multiple-ratio transmission in a vehicle powertrain. A protective circuit of the control system normally monitors data inputs from a databus that may indicate conditions that are not favorable for clutch brake actuation. The protective circuit prevents actuation of the clutch brake under such conditions. In the event the data inputs are not available from the databus, the protective circuit permits operation in a fall-back mode in which a brake ON timer is checked prior to clutch brake actuation. A primary counter is incremented with each normal clutch brake actuation and a secondary counter is incremented with each fall-back clutch brake actuation.09-08-2011
20110204553PART DRAINING HANGER - A part hanger is provided that engages a part being treated in a manner that orients the part so that treatment liquid tends to drain from the part. To this end, a part hanger is provided that is configured to suspend a part for treatment with a liquid. The part hanger includes one or more elongate members formed into a substantially U-shape having first and second side legs connected by a bottom leg. The first leg is configured to support a portion of the part from below at a first leg distal end. A hanger extension is connected at one end to a second leg distal end. The hanger extension is disposed substantially parallel to the bottom leg and terminates at a hanger extension distal end in a mounting feature. The hanger extension terminates prior to contacting the first leg distal end such that the first leg distal end and the mounting feature define a part clearance gap through which at least a portion of the part may extend into the U-shape.08-25-2011
20110203550SUPERCHARGER WITH CONTINUOUSLY VARIABLE DRIVE SYSTEM - An engine system includes a throttle valve configured to variably open and close to selectively restrict a volume of air flow. The engine system also includes a supercharger comprising an air inlet, an air outlet, a rotatable drive shaft and rotors associated with the drive shaft, wherein the supercharger is sized to have a flow rate that substantially prevents backwards leaking of air flow. The engine system further includes a combustion engine comprising combustion chambers and an associated rotatable crank shaft and a continuously variable transmission (CVT) configured to variably transfer rotational energy between the drive shaft and the crank shaft.08-25-2011
20110197983Isolation Valve for a Load-Reaction Steering System - A steering system includes a fluid actuator, a first steering circuit in selective fluid communication with the fluid actuator, and a second steering circuit in selective fluid communication with the fluid actuator and disposed in parallel to the first steering circuit. The second steering circuit includes a load-reaction feature and an isolation valve with the isolation valve being adapted to enable and disable the load-reaction feature.08-18-2011
20110192844FILL HEAD ASSEMBLY HAVING MEMBRANE FOR PROTECTING RECIRCULATION LINE - A fill head assembly for a fuel storage system includes a check valve disposed within a central region of the fill head assembly. The check valve includes a membrane covering a vent outlet of the fill head assembly. The check valve prevents liquid flow from the central region into the vent outlet, while simultaneously allowing vapor flow from the central region into the vent outlet. The membrane includes a micro-porous material that is liquid impermeable, thereby preventing liquid flow through the membrane, and is vapor permeable, thereby allowing vapor flow through the membrane.08-11-2011
20110189460FRICTION MEMBER AND FRICTION MATERIAL THEREOF - A friction material includes a resin and a fibrous base material impregnated with the resin. The fibrous base material has a single ply, and includes a plurality of aramid fibers present in a first amount, a plurality of polyacrylonitrile-based carbon fibers present in a second amount that is less than the first amount, a plurality of carbon particles present in a third amount that is less than or equal to the second amount, a plurality of mineral fibers present in a fourth amount that is less than or equal to the second amount, and diatomaceous earth present in a fifth amount that is greater than the first amount. A friction member for operatively contacting a lubricated surface includes a substrate and the friction material. The friction material defines a first surface bonded to the substrate and a second surface configured for operatively contacting the lubricated surface.08-04-2011
20110185708Adaptive Desulfation Control Algorithm - The exhaust from a diesel-fueled internal combustion engine is treated by a lean NO08-04-2011
20110168715FUEL CAP WITH EMISSIONS PROTECTION - A fuel tank cap for use with a fuel storage tank includes: a vapor storage receptacle; a purge path in fluid communication with the vapor storage receptacle; and a liquid discriminating membrane configured to be disposed at least in part between the vapor storage receptacle and fuel in the fuel storage tank. A fuel storage system includes: a fuel storage tank; a fill inlet connected to the fuel storage tank; and a fuel tank cap. The fuel tank cap includes: a vapor storage receptacle; a purge path in fluid communication with the vapor storage receptacle; and a liquid discriminating membrane configured to be disposed at least in part between the vapor storage receptacle and fuel in the fuel tank.07-14-2011
20110162728VALVE ASSEMBLY FOR HIGH-PRESSURE FLUID RESERVOIR - A valve assembly is disclosed for controlling fluid flow between two reservoirs. The valve assembly includes a relief valve arranged inside the housing and configured to open a first fluid flow path when the first reservoir is above a first predetermined pressure value.07-07-2011
20110162483Dual Clutch Transmission with Multiple Range Gearing - A vehicle powertrain comprising dual torque input clutches and a multiple speed transmission with ratio range gearing is disclosed. The range gearing provides increased gear ratio coverage. A transition between a low speed ratio range and a high speed ratio range is achieved with no torque interruption. A shift from one gear ratio to an adjacent gear ratio in a speed ratio range during a shift sequence is preceded by preselecting the adjacent gear ratio.07-07-2011
20110153159MAGNETIC ASSISTED POWER STEERING SYSTEM - A power steering system for a motor vehicle includes a rack and pinion assembly in which the teeth of the pinion are engaged with the teeth of the rack. The power steering system further includes magnets (e.g., permanent magnets or electromagnets) connected to the rack, as well as magnets (e.g., permanent magnets or electromagnets) connected to a rack tube. A varying maglev (i.e., magnetic levitation) force obtained by controlling current flowing through at least some of the magnets (e.g., by varying duty cycle of pulse-width-modulation through an electronic control unit) provides steering assistance for the motor vehicle employing the power steering system. A power steering system includes first and second steering elements, magnets connected to the steering elements, and a controller configured to obtain speed information and steering position information and to control the activation of the magnets in response to the speed information and steering position information.06-23-2011
20110150671SUPERCHARGER TIMING GEAR OIL PUMP - A positive displacement pump is provided. The pump includes a housing, and first and second meshed rotors rotatably disposed in the housing and arranged to transform relatively low-pressure inlet port air into relatively high-pressure outlet port air. The pump additionally includes first and second meshed timing gears fixed relative to the first and second rotors, respectively, for preventing contact between the first and second rotors, and sufficiently enclosed to generate a flow of lubricating fluid. Furthermore, the blower includes an input drive adapted to be rotatably driven at speeds proportional to speeds of an internal combustion engine and arranged to drive the first and second timing gears.06-23-2011
20110146556ACTIVE HEAVE COMPENSATION WITH ACTIVE DAMPING CONTROL - A damping control system includes a first sensor configured to detect movement of a vessel and generate a first signal representing the vessel movement and a second sensor configured to detect movement of a cable and generate a second signal representing the cable movement. An actuator is configured to dampen a force applied to a payload during a force event. The force event is at least partially caused by the movement of the vessel and the cable. A controller is configured to identify the force event based at least in part on the first and second signals and control the actuator during the force event to substantially dampen the force applied to the payload.06-23-2011
20110142632Piecewise Variable Displacement power transmission - In one embodiment, a hydraulic circuit has an input shaft, at least one positive displacement hydraulic pump, a plurality of positive displacement hydraulic motors, and at least one fluid line operatively connecting the at least one positive displacement hydraulic pump to the positive displacement hydraulic motors. In operation, the at least one positive displacement hydraulic pump is placed in an operative condition. At least one of the positive displacement hydraulic motors is also placed in an operative condition. A flow rate of fluid in the fluid line is measured, and the remaining positive displacement hydraulic motors are switched between an operative condition and a bypass condition according to the measured flow rate of the fluid.06-16-2011
20110132875SPLATTER RESISTANCE IN CIRCUIT BREAKERS - A circuit breaker includes at least trip mechanism component that has been provided with a splatter resistant surface. The splatter resistant surface significantly reduces the amount of metal splatter that adheres to the component, increasing the reliability of the circuit breaker. The splatter resistant surface may be created by coating the trip mechanism component with a solid lubricant or by applying a solid lubricant to the trip mechanism component in tape form.06-09-2011
20110127135Idle-Able Auxiliary Drive System - A power transfer unit for a motive device comprises an outer housing, an inner housing, and a torque transferring clutch. A piston housing is located between the outer housing and the torque transferring clutch. A piston is located in the piston housing. The piston is configured to provide actuation forces to the torque transferring clutch. And, when the torque transferring clutch receives the actuation forces, the torque transferring clutch causes the inner housing to rotate.06-02-2011
20110126652Adapter for Connecting a Countershaft Transmission with a Hydraulic Launch Assist System - This invention provides a common means of coupling an alternative power source to a vehicle's drive wheels which is particularly well suited for use with a countershaft-type transmission. This invention also addresses clutch wear by eliminating the need to engage the frictional clutch to launch the vehicle. This invention also improves the acceleration of the vehicle compared to a typical dry friction clutch launch by relying on the HLA system to transfer more power to the drive wheels more quickly than would be transferred by a typical launch engagement of a dry friction clutch in a commercial vehicle.06-02-2011
20110126608OUT-OF-RANGE SENSOR RECALIBRATION - A method for resetting a calibration of a sensor operating out-of-range in a hydraulic actuation system is provided. The hydraulic actuation system includes a pump, a reservoir, a plurality of work-ports, a plurality of sensors, and a valve system, and a controller for regulating the hydraulic actuation system based on fluid flow demand and sensed pressures. The method includes detecting the sensor operating out-of-range, opening all work-ports to the reservoir, resetting all sensors to reservoir pressure, supplying all sensors with fluid at maximum pump pressure, and sensing the maximum pump pressure at each sensor. Additionally, the method includes determining an average pressure value across all sensors, assigning the determined average pressure value to the sensor that is operating out-of-range, and resetting the calibration of the sensor that is operating out-of-range based on the reservoir pressure and the average pressure values.06-02-2011
20110120591VALVE ASSEMBLY FOR A FUEL RECIRCULATION LINE - A fuel system includes a fuel tank, a fill head, a vapor canister, and a valve assembly. The fill head is in fluid communication with the fuel tank. Fluid flows from the fill head to the fuel tank. The vapor canister is configured for absorbing vapor therein. A recirculation line is configured to fluidly extend between the fuel tank and the fill head. A vapor line is configured to fluidly extend between the fuel tank and the vapor canister. The valve assembly is operatively disposed along the vapor line or the recirculation line. The valve assembly includes a filter having a membrane formed from a micro-porous element that is fluid impermeable and vapor permeable. Fluid is prevented from flowing through the membrane and into the vapor canister while allowing vapor to flow through the membrane and into the vapor canister.05-26-2011
20110098906METHOD TO CHARACTERIZE AND CONTROL THE FLOW RATE OF A PULSE WIDTH MODULATING FUEL INJECTOR - A method of controlling a pulse width modulated fuel injector includes pumping fuel to the fuel injector with a variable-pressure fuel supply and commanding a mass flow. The method measures an actual fuel pressure of the variable-pressure fuel supply and adapts a duty cycle command for the fuel injector based upon an open loop calculation that utilizes both the commanded mass flow and the measured actual fuel pressure. The method may be characterized by an absence of controlling the actual fuel pressure of the variable-pressure fuel supply and may be further characterized by an absence of control by an electro-hydraulic regulator. The open loop calculation may use at least two coefficients.04-28-2011
20110095897ENERGY USAGE INDEX - An energy usage index provides energy intensity monitoring and managing capability. This capability is accomplished by monitoring an energy usage of a facility region and calculating an energy intensity based, at least in part, on the energy usage of the facility region and an area of the facility region. The energy intensity of the facility region is displayed and an alert is generated if the energy intensity meets a threshold level.04-28-2011
20110094595METHOD OF OPERATING A CONTROL VALVE ASSEMBLY FOR A HYDRAULIC SYSTEM - A method of operating a control valve assembly for a hydraulic system includes detecting the current operation of a first position sensor and a second position sensor to determine if at least one of the first position sensor and the second position sensor is inoperable. A pressure of the fluid at a first work port and a second work port is measured, and one of a first valve and a second valve is actuated when one of the first position sensor and the second position sensor is determined to be inoperable. The first valve is actuated based upon the fluid pressure measured at the second work port to adjust the flow of the fluid through the first work port. The second valve is actuated based upon the fluid pressure measured at the first work port to adjust the flow of the fluid through the second work port.04-28-2011
20110094480Control Strategy for an Engine - A method of controlling an engine includes manipulating a wastegate to maintain the operation of the turbocharger within an optimum operating range. A combustion air bypass valve is manipulated between an open position and a closed position to create a negative pressure differential across a supercharger. The supercharger is sequentially disposed in-line before the turbocharger. The negative pressure differential is converted into a torque by the supercharger and transmitted from the supercharger back to the engine to increase the operating efficiency of the engine.04-28-2011
20110092329FREE FLOATING HYDRAULIC BULKHEAD WITH IMPROVED SEALING AND ANTI-ROTATION - A hydraulic bulkhead configured for use with a limited slip differential includes a plenum comprising a passageway for hydraulic fluid and a boss. A first seal is located on an outer surface of the boss. The outer surface of the boss is a low pressure area relative to the inner surface of the boss. The plenum is stationary relative to the limited slip differential. A differential assembly including the inventive hydraulic bulkhead is also disclosed.04-21-2011
20110089934SELECTABLE DELTA OR WYE VOLTAGE CONFIGURATION FOR POWER MEASUREMENT - Apparatus and methods for providing a voltage signal indicative of the voltage being supplied by each phase of a multiphase voltage being supplied to a load. For each phase, a phase to neutral voltage is produced by providing a virtual ground. For each phase, a phase to phase voltage is produced by determining a difference between a pair of phase to neutral voltages. Either the phase to neutral voltages or the phase to phase voltages for each phase are output depending on the configuration of the multiphase voltage being supplied to the load.04-21-2011
20110089350FLUID-BIASED HYDRAULIC CONTROL VALVE WITH ARMATURE PISTON - A hydraulic control valve has a solenoid body, a selectively energizable coil, and an armature positioned adjacent the coil. The coil is energizable to generate a magnetic force that moves the armature from a first position to a second position. A pole piece is positioned to establish a gap between the pole piece and the armature. The pole piece has a cavity that opens at the gap. A piston extends from the armature into the cavity and moves with the armature. The armature is biased to seat at a valve seat in the first position by pressurized fluid. Magnetic force required to move the armature away from the valve seat is a function of the difference between an area of the piston and an area defined by contact of the armature at the valve seat.04-21-2011
20110088785SAFETY FEATURE FOR STUCK VALVE - A method for controlling a safety feature for a hydraulic machine is provided. The method includes detecting when at least control valve for a controller of an implement for the hydraulic machine is stuck in a position. An exhaust valve for the hydraulic control system is then moved to a closed position to prevent movement of the implement of the hydraulic machine.04-21-2011
20110088662METHOD OF PACKAGING A MEMBRANE FOR USE IN A VENTING VALVE - A venting valve comprises a cover including a flow path in fluid communication with an evaporative emissions system and a liquid discriminating and vapor permeable membrane connected to the cover. At least a portion of the outer surface of the membrane comprises a plurality of alternating curved crests and valleys. In other embodiments, the membrane comprises a first and second layer defining a gap therebetween, wherein at least a portion of the membrane is spirally wound. In other embodiments, the venting valve includes at least one protrusion configured to support and shape the membrane, wherein at least a portion of the membrane is curved.04-21-2011
20110087383NETWORK PROTECTION WITH CONTROL HEALTH MONITORING - Apparatus and methods for network protection monitor the functional state of a control component on a circuit protection device and provide a back up control signal to activate the circuit protection device to protect the network in the event that the control component on the circuit protection device stops functioning.04-14-2011
20110083750METHOD FOR OPERATING A HYDRAULIC ACTUATION POWER SYSTEM EXPERIENCING PRESSURE SENSOR FAULTS - A method for operating a hydraulic actuation system during a pressure sensor malfunction is provided. The hydraulic actuation system includes a pump, a reservoir, a first work-port and a second work-port, a valve system with individual orifices, a pressure sensor system, and a controller for regulating the hydraulic actuation system based on fluid flow demand and on determined pressure differences. The method includes detecting a malfunction of a pressure sensor for the first work-port, closing second and third orifices, and regulating the pump to generate fluid flow corresponding to maximum pressure generated by the pump. The method also includes assigning a value for the difference between pump pressure and the pressure of the subject work-port that is equivalent to a value within an attainable range for difference between the two pressures. Furthermore, the method includes regulating a first orifice and a fourth orifice in response to the fluid flow demand.04-14-2011
20110076474NANOCOMPOSITE COMPOSITION AND SYSTEM - A nanocomposite composition includes a polymer and a barrier component sufficiently dispersed within the polymer so as to define a tortuous path within the polymer. The barrier component includes a nano-constituent including a plurality of layers and a macro-constituent including a plurality of particles. Each of the plurality of layers has a first average thickness and each of the plurality of particles has a second average thickness that is greater than the first average thickness. A nanocomposite system includes a substrate and a coating disposed on the substrate and formed from the nanocomposite composition.03-31-2011
20110072888METHOD FOR LEAK DETECTION IN DOSING SYSTEM - A method for detecting a leak in a dosing manifold system having a manifold body, first valve assembly, and a device capable of preventing fluid flow. The method including the steps of transporting a fluid into a control fluid circuit, trapping the fluid in the circuit with the first valve assembly and the device capable of preventing fluid flow, blocking the fluid outside the control fluid circuit, relieving pressure outside of the circuit via the first valve assembly, measuring pressure inside the circuit, and comparing the pressures with selected baseline values.03-31-2011
20110067773DOSING MANIFOLD ASSEMBLY - A manifold assembly configured for distributing fluid to an externally connected hydraulic component which may be capable of leakage detection through measurement of pressure decay. The manifold assembly may include a manifold body and a valve assembly. The manifold body may have a plurality of fluid passages. Fluid flow may be controlled by the valve assembly attached to the manifold body. The valve assembly may include two valve devices capable of controlling fluid flow. When fluid is blocked by the valve devices, any fluid leakage may be unloaded from the valve assembly through an orifice located between the two valve devices. The orifice may provide a pressure unloading feature which may increase accuracy of measuring the pressure decay during leakage detection.03-24-2011
20110067771SPOOL VALVE - A spool valve includes a housing defining a bore that extends along a longitudinal axis. A spool is disposed within the bore and is moveable between a first position for directing a hydraulic fluid along a first flow path and a second position for directing the hydraulic fluid along a second flow path. The spool includes a supply portion disposed between a first land portion and a second land portion. The supply portion includes an outer surface that defines a truncated pseudosphere for smoothly directing the flow of the hydraulic fluid across the surface of the spool.03-24-2011
20110067763CONFIGURABLE ACTIVE JERK CONTROL - A method of limiting jerk in a hydraulic system of a machine includes defining a maximum pressure rate. An output pressure of a hydraulic fluid is continuously measured over time from a work port of a hydraulic valve to determine an output pressure rate. The measured output pressure rate is compared to the maximum pressure rate. A requested flow rate is adjusted when the measured output pressure rate is greater than the maximum pressure rate to decrease the pressure differential generated in response to changing the flow rate of the hydraulic fluid through the valve, which thereby limits a change in acceleration or deceleration of the hydraulic system to limit felt jerk in the machine.03-24-2011
20110067395METHOD OF CONTROLLING AN ENGINE DURING TRANSIENT OPERATING CONDITIONS - A method of controlling an engine having a mechanically driven supercharger supplying a flow of air to the engine includes defining a steady state operating condition in which the engine normally operates within efficiently. An engine parameter is monitored to determine if the engine is operating within the steady state operating condition, or outside the steady state operating condition in a transient operating condition. If the engine is operating outside the steady state operating condition in the transient operating condition, the flow of air from the supercharger is adjusted to maintain a fuel/air mixture to within a pre-determined ratio prior to increasing a fuel injection rate to the engine to minimize soot emissions from the engine during operation of the engine in the transient operating condition.03-24-2011
20110058974OPTIMIZED HELIX ANGLE ROTORS FOR ROOTS-STYLE SUPERCHARGER - A Roots-type blower has first and second meshed, lobed rotors disposed in first and second chambers of a housing. Each lobe has first and second axially facing end surfaces defining a twist angle that is a function, at least partially, of the number of lobes on each rotor, and each lobe further defines a helix angle that is a function of the twist angle and an axial length between the first and second axially facing end surfaces of said lobe. The lobes cooperate with an adjacent surface of the housing to define at least one blowhole that defines a control volume, occurs in a cyclic manner, and moves linearly in a direction toward the outlet port. The blowhole provides communication between adjacent control volumes.03-10-2011
20110057514POWER METER WITH TRANSFER SWITCH - Apparatus and methods for providing a capability to perform automatic switching between a primary and secondary power source and primary source metering in the same meter enclosure.03-10-2011
20110056792Cushioned Ceramic Driven Disc Assembly with Ceramic Friction Pads Fixed to Slotted Backer Plates - A clutch disc assembly for a friction torque device has a clutch damper assembly which includes a hub defining an axis of rotation and a concentric steel disc. The damper assembly includes a plurality of cushion elements fixed to the steel disc. First and second friction rings are disposed on opposite sides of the cushion elements and are rotatively fixed to the steel disc. First and second friction rings have an equal number of inner circumference and outer circumference keyhole slots defining an equal number of mounting areas. A friction pad is fixed to each mounting area, with friction pads on the first friction ring being in substantial alignment with the friction pads on the second friction ring.03-10-2011
20110048223CONTROL DEVICE FOR A HYDRAULIC MOTOR - A control device for controlling a speed of a hydraulic motor includes a housing defining a first void. A speed valve is disposed within the first void and is moveable between a first speed valve position and a second speed valve position. The first void includes a speed valve pressure chamber disposed at one end of the speed valve. A speed valve spring is disposed at another end of the speed valve. The housing further defines a speed change port and a speed change passage interconnecting the speed change port and the speed change pressure chamber for directing a pressurized fluid directly into the speed valve pressure chamber to exert a pressure force on the speed valve and bias against the speed valve spring to move the speed valve between the first speed valve position and the second speed valve position.03-03-2011
20110018723FLUID LEVEL DETECTION SYSTEM - A fluid level detection system includes a fluid reservoir defining a cavity for holding fluid therein. A fluid level sensor is mounted to the fluid reservoir. The solenoid body defines a first opening establishing fluid communication between an armature chamber and a cavity defined by the reservoir. Travel time of an armature within the armature chamber is thereby affected by fluid level in the reservoir. A controller is operatively connected to the sensor and is operable to receive a sensor signal indicative of travel time from the sensor and formulate a control signal corresponding thereto. A power source is operatively connected to the controller for energizing the coil and the controller. In some embodiments, multiple fluid containing components are connected with one or more controllers. An engine, a transmission, and rear axle differentials on a vehicle may be equipped with sensors to provide fluid level, temperature and viscosity information.01-27-2011
20110011357Energy Recovery System for an Added Motion System - A hydraulic circuit is disclosed. The hydraulic circuit includes an actuating mechanism having an engine valve and an engine valve spring, an added motion valve system having a cam system, a valve in fluid communication with the actuator mechanism, and a dump valve and at least one check valve in fluid communication with the valve to allow a recovery of energy stored in an engine valve spring during closing movement of the engine valve associated with the added motion system. A method for controlling a hydraulic circuit is also disclosed.01-20-2011
20110011060Exhaust Cooling Module for SCR Catalysts - An exhaust aftertreatment system having a NO01-20-2011
20110005614VENT VALVE - A vent valve assembly at least partially disposed within an interior of a fuel tank is provided. The vent valve assembly comprises a housing, a first venting orifice, a float configured to close the first venting orifice when the level of fuel in the housing reaches a predetermined level, a second venting orifice, and a stop configured to close the second venting orifice to facilitate a pressure differential between the housing and the fuel tank.01-13-2011
20110005210TANK ASSEMBLY - A tank assembly (01-13-2011
20100323840GEAR SET FOR DIFFERENTIAL - A differential includes a side gear comprising a helical face gear; a helical pinion configured for meshing engagement with the side gear; a pinion housing configured to house the helical pinion; and a first support member configured to support the helical pinion. The side gear rotates around a differential axis. The helical pinion has a first end and a second end opposing the first end. The pinion housing comprises a generally annular ring and includes an outer radial surface; an inner radial surface; and an aperture extending radially inwardly from the outer radial surface. The first support member is disposed radially inwardly relative to the inner radial surface of the pinion housing. In some embodiments, the differential further includes a second support member configured to support the helical pinion. The second support member is disposed radially outwardly relative to the outer radial surface of the pinion housing.12-23-2010
20100320407FLUID-BIASED HYDRAULIC CONTROL VALVE - A hydraulic control valve is provided having a solenoid body, an energizable coil, and an armature positioned adjacent the coil. A valve stem extends from the armature. The coil is energizable to move the armature and the valve stem from a first position to a second position. The valve body, the armature and the valve stem are configured so that the armature and the valve stem are biased to the first position by pressurized fluid, allowing the armature to operate without a biasing spring.12-23-2010
20100319789SMALL ENGINE EMISSIONS CONTROL VALVE - A valve assembly for a fuel tank for a small engine includes a housing. A membrane is supported by the housing such that the membrane covers a housing opening. The membrane allows the passage of vapor through the membrane and into the housing cavity and prevents the passage of liquid through the membrane. A pressure relief valve is supported by the housing to control flow of a vapor through the housing cavity.12-23-2010
20100317483HIGH PERFORMANCE DIFFERENTIAL - A gear set includes a first gear having at least one tooth with a first tooth profile. The first tooth profile may comprise a first segment comprising a first plurality of sections. At least one of the first plurality of sections may have a first profile angle, and at least one of the first plurality of sections may have a second profile angle. The first profile angle and the second profile angle may be different. A differential is also provided that includes a differential case, a pinion shaft disposed inside the differential case, and a pinion gear.12-16-2010
20100317482LIMITED SLIP DIFFERENTIAL USING FACE GEARS AND A PINION HOUSING - A differential includes a differential case; a side gear comprising a helical face gear; a helical pinion configured for meshing engagement with the side gear; and a pinion housing configured to support the helical pinion. The pinion housing includes a first face; a second face opposing the first face; a first projection located on the first face; and a second projection located on the second face. In some embodiments, the differential further comprises an actuator configured for engagement with the pinion housing and a plurality of friction plates disposed between the actuator and the differential case. The pinion housing also includes an aperture or hole extending radially inwardly from an outer radial surface of the generally annular ring; and a channel extending from the first face to the second face, wherein the channel is substantially radially aligned with the aperture or hole.12-16-2010
20100317480FACE GEAR DIFFERENTIALS INCORPORATING A TORQUE RING - A gear set is provided including a side gear comprising a helical face gear with at least one helical tooth and a helical pinion. The helical pinion may have at least one helical tooth and may have an apex angle that is less than about 20°. The helical pinion may be configured for meshing engagement with the side gear. A differential may also be provided. The differential comprises a differential case and a gear set. The differential may further include a torque ring configured to support the helical pinion.12-16-2010
20100309591IMPEDANCE-BASED CURRENT SENSOR - Arc fault detection method and apparatus employ an impedance-based current sensor to provide a sensing signal indicative of current through a conductor. The impedance-based current sensor diverts high frequency components of current through the conductor and converts the high frequency components into an arc fault signal.12-09-2010
20100304916LOCKING DIFFERENTIAL SIDE GEAR TO FRICTION DISC UNLOADING - A differential is provided that includes a case, a cam side gear disposed proximate a first end of the case, and a side gear disposed proximate a second end of the case. The side gears have respective hubs. The differential further includes a first clutch pack disposed around the hub of the side gear. The differential further includes an annular engaging member disposed between the side gear and the case.12-02-2010
20100304882Variable mass grip - A variable mass cap 12-02-2010
20100295332FLEXIBLE DUST DOOR FOR CAPLESS REFUELING SYSTEM - A refueling system is provided that has a door configured to be movable by the nozzle from a closed position that covers the fill opening to an open position that exposes the fill opening. The door has a first portion and a second portion connected with the first portion. The second portion bends with respect to the first portion when the first and the second portions are moved. Bending of the door may help to minimize the packaging space requirements for the system. For example, the door may bend along the length of the fill neck so that it has a smaller lateral dimension in the open position than in the closed position.11-25-2010
20100294381FLUID FLOW REGULATOR - A fluid flow regulator includes a valve assembly defining a fluid passage. The fluid passage includes a first port, a second port, a sensing orifice disposed between the first and second ports, a first orifice disposed between the first port and the sensing orifice and a second orifice disposed between the sensing orifice and the second port. A first flow area of the first flow orifice varies in response to differential pressure across the sensing orifice as fluid flows through the fluid passage in a first direction from the first port to the second port. The first flow area is fixed as fluid flows through the fluid passage in an opposite second direction. A second flow area of the second orifice is fixed as fluid flows through the fluid passage in the first direction and varies as fluid flows through the fluid passage in the second direction.11-25-2010
20100294379PORTABLE FUEL CONTAINER EMISSIONS CONTROL - An emissions device for use with a portable fuel container assembly is provided. The emissions device includes an emissions housing configured to be mounted to the portable fuel container. The emissions housing defines at least one device opening. A membrane is supported by the emissions housing and allows the passage of the vapor and prevents the passage of a liquid. An emissions filter is also located within the emissions housing and is located such that vapor exiting through the device opening must pass the emissions filter.11-25-2010
20100282757ANTI-SIPHON DEVICE - A fuel storage system includes a tank, a check valve having an inlet tube, an anti-siphon device and a fuel intake tube. The anti-siphon device includes a ring defining an interior opening having a diameter. The ring abuts an upstream end of the inlet tube of the check valve, which includes an inner diameter substantially equal to the diameter of the interior opening of the ring. The ring includes and supports a plurality of fins within the inlet tube without narrowing the inlet tube to maximize fluid flow through the inlet tube. The anti-siphon device is rotatable relative to the check valve and the fuel intake tube. The shape, size and orientation of the fins are optimized to minimize flow interruption through the anti-siphon device and minimize vaporization of the fluid.11-11-2010
20100282335FUEL VAPOR VENT VALVE WITH DYNAMIC PRESSURE RELIEF - A fuel vapor vent valve assembly includes an anti-trickle valve having a casing defining a first cavity. A movable element is disposed within the first cavity. The casing defines a lower dynamic vapor passage in fluid communication with an interior of a fuel tank. A concave ramp is disposed concentrically about the lower dynamic vapor passage, within the first cavity. The movable element moves upward along the concave ramp in response to a change in motion to open fluid communication through the lower dynamic vapor passage to vent vapor pressure from within the fuel tank during movement.11-11-2010
20100281971FLUID CONDITION AND LEVEL SENSOR - A fluid condition and level sensor is provided that includes a solenoid body, a coil, and an armature surrounded by the coil. The solenoid body defines an armature chamber in which the armature is movable in response to energizing of the coil. The sensor is mounted to a reservoir such that a first portion of the solenoid body extends into a cavity defined by the reservoir, and so that movement of the armature is substantially transverse to a direction of fluid level change in the reservoir. The first portion of the solenoid body defines an opening permitting fluid communication between the cavity and the armature chamber, such that fluid enters and is displaced from the armature chamber through the opening as the armature moves, movement of the armature within the armature chamber thereby being affected by fluid level in the reservoir.11-11-2010
20100270703PRESSURE CONTROL VALVE ASSEMBLY - A pressure control valve assembly including a valve body with a valving cavity, a metal insert, a member and ball, a plastic internal ball guide, and a plug. The metal insert, which is received within the valving cavity, includes an exhaust port, a pressure control port, a supply port, and a plug-receiving end. The plastic internal ball guide is included within a portion of the metal insert. The member extends within a portion of the insert and is movable with respect to the exhaust port, the member moving a ball with respect to a supply port. In an embodiment, a plug is received within the plug-receiving end of the insert. A method for making a valve body for a valve assembly is also disclosed.10-28-2010
20100270487ELECTRO-HYDRAULIC POPPET VALVE WITH SUPPLY PRESSURE UNLOADING FUNCTION - A solenoid-actuated valve assembly includes a valve body defining a supply port in communication with a fluid supply, an upper or first chamber, a lower or second chamber in communication with the first chamber, a first valve seat, and a control port in fluid communication with a downstream hydraulic component. An armature seals against the first valve seat when a solenoid is in a closed position, and a spring otherwise biases the armature against the upper valve seat. A lower valve device is positioned in the second chamber, and has a moveable portion that selectively admits fluid into the second chamber in the open position. The valve body defines at least one orifice between the supply port and the first valve seat, the orifice providing a pressure unloading function for venting fluid that leaks past the valve device when the solenoid is not being actuated.10-28-2010
20100269933INTERLOCK SYSTEM FOR VALVE COUPLING - A fluid coupling includes a body defining a passageway, a valve member that is selectively movable between a closed position and an open position, and an interface at which the body is connectable to a complementary coupling. An interlock system is configured to permit movement of the valve member from the closed position to the open position when the complementary coupling is connected to the body at the interface, and to prevent movement of the valve member from the closed position to the open position when the complementary coupling is not connected to the body at the interface.10-28-2010
20100269921VALVE ASSEMBLY FOR HIGH-PRESSURE FLUID RESERVOIR - A valve assembly is disclosed for controlling fluid flow between two reservoirs. The valve assembly includes a relief valve arranged inside the housing and configured to open a first fluid flow path when the first reservoir is above a first predetermined pressure value.10-28-2010
20100269586SENSOR FOR INDUCTIVE MEASURE OF FLUID LEVEL - A sensor for measuring fluid level is provided that includes a float, which may be steel or another material that affects magnetic flux. The sensor further includes a housing defining a cavity configured to receive the float. The housing may be, but need not be, tubular, and the cavity may be cylindrical. At least one magnetic coil is wound to the housing along the cavity. The coil may be wound around the housing. The float is positionable in the fluid to move within the cavity in relation to fluid level.10-28-2010
20100267512BLOCK MOUNTED LOCK-OUT MECHANISM - A differential is provided that includes a first and second side gear and a reaction block disposed between the first and second side gear. The differential further includes an engagement mechanism configured to have at least a portion of the engagement mechanism that is moveable from a retracted position to an extended position and a lock-out mechanism that is configured to engage the portion of the engagement mechanism. The lock-out mechanism is mounted to the reaction block. A reaction block for a differential in which a lock-out mechanism is mounted on the reaction block is also provided.10-21-2010
20100261568GEAR TRAIN WITH SPLIT TORQUE - A gear train is provided that includes at least one side gear comprising a helical face gear and a plurality of helical pinions in meshing engagement with the helical face gear. The gear train may further include an absorber configured to provide an axial force on at least one of the plurality of helical pinions. A differential may also be provided including a differential case and a gear train disposed in the differential case. The gear train includes at least one side gear comprising a helical face gear and a plurality of helical pinions in meshing engagement with the helical face gear. The gear train in the differential may further include a means for providing an axial force on at least one of the plurality of helical pinions.10-14-2010
20100251816FUEL GAUGING SYSTEM UTILIZING A DIGITAL FUEL GAUGING PROBE - A fluid measurement system utilizes one or more digital probes that communicate over a digital bus to a fluid gauging computer. The digital probes incorporate a capacitance to digital circuit that converts probe capacitance to a digital value. The digital value is communicated to the fuel gauging computer via a data bus.10-07-2010
20100251705CONTROL OF A FLUID CIRCUIT USING AN ESTIMATED SENSOR VALUE - A fluid circuit includes a tank for holding fluid, a hydraulic device having a predetermined load configuration, and a pump for delivering the fluid under pressure to the hydraulic device. Sensors measure at least one of a supply pressure, a tank pressure, and a position of a portion of the hydraulic device. A controller estimates or reconstructs an output value of any one sensor using the predetermined load configuration in the event of a predetermined failure of that sensor, ensuring continued operation of the hydraulic device. A method for estimating the output value includes sensing output values using the sensors, processing the output values using the controller to determine the presence of a failed sensor, and calculating an estimated output value of the failed sensor using the predetermined load configuration. Operation of the hydraulic device is maintained using the estimated output value until the failed sensor can be repaired.10-07-2010
20100243403Electromagnetic Inertia Brake for a Multiple-Ratio Power Transmission - An electromagnetic inertia brake for a vehicle transmission in a vehicle powertrain has a non-rotatable armature and a brake reaction plate in which a friction brake retarding force is developed on both sides of the brake reaction plate, the brake reaction plate being secured to a transmission torque input shaft, whereby rotary elements of transmission gearing are braked during a transmission shift interval to improve shift quality.09-30-2010
20100236655HYDRAULIC SUPPLY HOSE INCLUDING AN INTEGRAL TENSILE LOAD MEMBER - A supply hose includes a core tube, a first layer, a second layer, and a sheath. The core tube defines a hollow interior that surrounds a central axis and is configured to transport fluid therethrough. The first layer and/or the second layer provide tensile strength to the supply line. The first layer is disposed about the core tube and includes a plurality of first fibers. The first fibers are braided about the core tube at a first angle, relative to the central axis. The second layer is disposed directly on the exterior surface of the first layer and includes a plurality of second fibers. The second fibers are braided about the exterior surface of the first layer at a second angle, relative to the central axis. The sheath may be disposed about the second layer.09-23-2010
20100236640LIQUID DISCRIMINATING FUEL VENT VALVE - A valve assembly for a fuel tank includes a housing. A membrane supported by the housing such that the membrane covers a vapor passage defined by the housing. The membrane allows the passage of vapor through the membrane and prevents the passage of liquid through the membrane. A flow control feature is supported by the housing to assist in controlling flow of a vapor through the membrane and the vapor passage. The flow control feature assists in controlling flow by one of shielding liquid from the membrane and providing variable flow through the vapor passage.09-23-2010
20100235015CONTROL ARCHITECTURE AND INTERFACING METHODOLOGY FOR COCKPIT CONTROL PANEL SYSTEMS - A hardware-based control and communication architecture communicates a plurality of signals within a vehicle. The communication architecture has a transmitting portion including a signal receiving portion configured to obtain or receive a first plurality of signals, a signal consolidation circuit, a signal driver capable of transmitting a consolidated signal representative of the first plurality of signals from the signal consolidation circuit, and a clock signal generator configured to provide a synchronizing timing signal having an established or fixed period. The signal consolidation circuit may include hardware logic to provide successive data transmission windows based on the established or fixed period of the timing signal, and the consolidation circuit may be configured to transmit each of the first plurality of signals in successive data transmission windows. Bidirectional and redundant system configurations are also disclosed with a plurality of transmission mediums. This new approach may be used to reduce the number of electrical cables over distance within an aircraft or vehicle, thus reducing the weight and size.09-16-2010
20100234163FLUCTUATING GEAR RATIO LIMITED SLIP DIFFERENTIAL - A fluctuating gear ratio limited slip differential assembly is provided that includes a differential case and a pair of side gears disposed within the differential case. Each of the side gears may have a tooth with a first tooth flank. The differential assembly may further include a pinion shaft disposed within the differential case and a plurality of pinions supported by the pinion shaft. The pinions may be configured for engagement with the pair of side gears and each of the pinions may have a tooth with a second tooth flank. The first and second tooth flanks are configured to cause movement of the plane of action defining all contact points between the first tooth flank of the side gears and the second tooth flank of the pinions in a predetermined and/or controlled manner.09-16-2010
20100229668Multiple-Ratio Transmission with Concentric Offset Shift Forks - A countershaft transmission with positive engagement clutches for changing transmission gearing ratios and shift rails for supporting shift forks in a transmission housing, one shift rail being adapted to support at least two shift forks, whereby an assembly of shift rails is simplified and the transmission housing size is reduced.09-16-2010
20100215430COUPLING ASSEMBLY FOR CONNECTION TO A HOSE - A coupling assembly includes a fitting having a wall presenting an inner surface, surrounding a lumen, and an outer surface, opposing the inner surface. A barb extends radially away from the outer surface of the wall to a peak. A seal circumferentially surrounds the outer surface of the wall and is spaced from the peak of the barb. A hose presents an initial outer diameter. The hose extends over each of the seal and the barb such that the hose is deformed at the barb to present a displaced outer diameter that is greater than the initial outer diameter of the hose. A cage is spaced at least a distance from the peak of the barb and radially compresses the exterior surface of the hose and the seal to form an interference fit between each of the hose, the barb, and the cage.08-26-2010
20100212420INDUCTIVE FLUID LEVEL SENSOR - A sensor for measuring a level of a fluid includes a member and a bobbin defining a cavity therethrough and configured for receiving the member. The sensor also includes at least one inductive coil wound to the bobbin, wherein the at least one inductive coil defines a plurality of symmetrical layers that each extend along an axial length of the bobbin. The sensor includes a float operably connected to the member and buoyant in a fluid having a level in a container. The member axially translates within the cavity in response to a change in position of the float according to the level of the fluid so that an inductance of the at least one inductive coil varies in relation to a position of the member within the cavity and thereby in relation to the level of the fluid.08-26-2010
20100206117Operator Control Device - A control assembly adapted for use on a vehicle to be controlled in response to variations in first and second control signals, comprising a stationary mounting member and a handle (08-19-2010
20100206116Operator Control Device - A control assembly adapted for use on a vehicle to be controlled in response to variations in first and second control signals, comprising a stationary mounting member and a handle (08-19-2010
20100204854ARCHITECURE WITH OPTIMIZED INTERFACING FOR AN AIRCRAFT HYBRID COCKPIT CONTROL PANEL SYSTEM - A hybrid electronics cockpit control panel system architecture is provided that includes optimized interfacing and partitioning. The architecture includes a digital function block with a digital signal processor and digital communication capabilities. The architecture also includes integrated cockpit control panels that employ a printed circuit board to avoid wire/cable connections for cockpit control panel components beyond the face panel. The architecture provides digital control and communication along a central communication bus that can eliminate the need for dedicated wire connections between the control panel and the electrical components throughout the aircraft, reducing weight and volume. One example aircraft cockpit control panel system includes a control signal processor that receives electrical control signals from pilot operating devices on the control panel and transforms them into digital status signals for communication on a communication bus. In another example aircraft cockpit control panel system, the control signal processor transforms the electrical control signals into digital control signals that are communicated to aircraft components. In another example aircraft cockpit control panel system, signals from a first control signal processor are passed through at least a second control signal processor to provide a redundant circuit path.08-12-2010
20100203774WIRE FORM RAIL ADAPTER - A wire form rail adapter for use in connecting an electrical component to a mounting rail includes a wire form spring clip that is formed to provide both a connection portion and a spring portion. The connection portion is configured to selectively engage the mounting rail and retain the rail against the rail adapter. The spring portion is configured to provide a biasing force that urges the wire form spring clip toward a position in which the connection portion engages the mounting rail.08-12-2010
20100203238Preparation method for a partially coated monolith - Processes are provided for making partially coated monolith catalysts that are useful, for example, as pre-combustor catalysts for diesel exhaust aftertreatment. Monolith substrates are provided with interconnectivity and/or temporary barriers that allow from about 10 to about 90% of the monolith channels to be coated after the monolith substrate is assembled without having to carefully pick out among a large number of openings which ones to inject into or which ones to plug. The invention includes options of injecting into a multipath monolith substrate and of emplacing blocking material during monolith construction. Either catalyst coating material or coat-blocking material can be injected. Blocking materials allow the use of machinery for ordinarily non-selective processes, such as machinery for dip coating. Both multipath injections and pre-placed barriers can be used in a single partial coating process.08-12-2010
20100196141FUEL CELL COMPRESSOR SYSTEM - The invention provides a fuel cell compressor system that comprises a motor, including a motor shaft driven by the motor; a drive housing at least partially surrounding the motor shaft; a first gear set driven by the motor shaft; a carrier torque tube driven by the first gear set; and an impeller. The impeller includes an impeller shaft driven by the second gear set, so that the impeller shaft is configured to rotate at a speed greater than motor speed. Embodiments of the invention may also include a first bearing supporting the carrier torque tube and a second bearing supporting the impeller shaft. Embodiments of the invention may also include a seal system.08-05-2010
20100186696OIL CONTROL VALVE ASSEMBLY FOR ENGINE CAM SWITCHING - An oil control valve assembly for an engine is provided that has a control valve with a valve body, and a manifold that defines a control passage in fluid communication with a valve lift switching component and an exhaust passage for exhausting fluid from the valve. The control valve is controllable to selectively direct fluid from a supply source to the control passage to actuate the valve lift switching component. An elongated tubular member is positioned adjacent the engine component and is operatively connected to the exhaust passage such that fluid flows from the exhaust passage to the elongated tubular member and through the elongated tubular member onto the engine component.07-29-2010
20100174495DEGRADATION DETECTION SYSTEM FOR A HOSE ASSEMBLY - A hose fault detection system includes a hose assembly including a hose having first and second conductive layers. The hose assembly has an electrical characteristic. A fault detector is in electrical communication with the first and second conductive layers. The fault detector includes an indicator operatively connected to the hose assembly. A method for monitoring the structural integrity of a hose assembly includes providing a fault detection system having a hose assembly including a hose having a first conductive layer and a second conductive layer. The hose assembly has an electrical characteristic. The electrical characteristic of the hose assembly is compared to a threshold value. A visual indicator in operative communication with the hose assembly is illuminated when the electrical characteristic goes beyond the threshold value.07-08-2010
20100173172WEAR-RESISTANT COATING SYSTEM AND METHOD - A method of forming a wear-resistant coating on a metal substrate includes depositing a metal alloy onto the metal substrate to form a cladding, rough finishing the cladding to thereby provide the cladding with an average roughness, R07-08-2010
20100166590ROTARY FLUID PRESSURE DEVICE AND IMPROVED PARKING LOCK ASSEMBLY THEREFOR - A rotary fluid pressure device (07-01-2010
20100164183SEGMENTED SEAL WITH HYDRODYNAMIC FEATURE AND ASSEMBLY - A segment of a seal assembly for sealing a higher pressure area against a rotating member is disclosed. In an embodiment the segment comprises a radial external surface, a radial internal surface for sealing against a rotating member, a feed cavity, a ramp portion in communication with the feed cavity, a segment trough in communication with the ramp portion, one or more hydrodynamically-configured pads including an entrance; and a sealing dam disposed between the lift pad and the radial internal surface. In an embodiment of the segment, the ramp portion is configured to pick up air flow with an increase in velocity from said rotating member, and the trough or a flow-control portion is configured to prevent fluid from flowing around or circumventing the pad entrance to, at least in part, provide a dynamic feed.07-01-2010
20100164180HYDRODYNAMIC INTERSHAFT SEAL AND ASSEMBLY - A seal and seal assembly for providing a seal between an outer shaft and an inner shaft. The assembly includes a seal subassembly disposed between the shafts. The subassembly includes a split carbon ring, a solid outer ring, and a spring mechanism provided between the split carbon ring and the solid outer ring. The carbon ring is radially split into a plurality of segments having splits between ends of adjacent segments. The segments include a circumferential inner radius and a sealing dam on the circumferential inner radius. The solid outer ring includes a sealing face and a plurality of hydrodynamic grooves provided on a radial face. The spring mechanism may be configured to engage a portion of an outer diameter of the split carbon ring and a portion of an inner diameter of the solid outer ring and to urge the split carbon ring radially towards the inner shaft.07-01-2010
20100164178BRUSH SEAL FRONT PLATE AND ASSEMBLY - A front plate and brush seal assembly for providing a seal between a high pressure area and a low pressure area. An embodiment of a front plate includes a front plate body. The front plate body includes an inner peripheral edge and an outer peripheral edge. A plurality of cuts or slots are provided in the front plate body and extend from the outer peripheral edge of the front plate body toward the inner peripheral edge of the front plate body, such that the plurality of cuts or slots do not extend to the inner peripheral edge, and the plurality of cuts or slots define a plurality of fingers in the front plate body. In an embodiment of a brush seal assembly, the assembly includes a retaining plate that is connected to a front plate.07-01-2010
20100164177HYBRID MULTISTAGE BRUSH SEAL - A multi-stage brush seal and assembly for sealing a circumferential gap with respect to a sealed component is disclosed. The brush seal includes a first stage including a first plurality of bristles and a second stage including a second plurality of bristles. In an embodiment, the first stage is configured with an initial first-stage clearance and seals said sealed component at high pressure and low pressure conditions, and the second stage is configured to have an initial second-stage clearance greater than the initial first-stage clearance so that the second stage does not seal said sealed component at the low pressure condition but is configured to be activated by a blow-down effect to seal said sealed component at the high pressure condition. In embodiments the brush seal includes features to enhance or reduce pressure blow-down with respect to the first-stage clearance.07-01-2010
20100147644IDLE-ABLE AUXILIARY DRIVE SYSTEM - A power transfer unit (PTU) for a motive device includes an outer housing and a torque transferring clutch. The PTU also includes a piston housing located between the outer housing and the torque transferring clutch, and a piston in the piston housing. The piston is arranged to provide actuation forces to the torque transferring clutch, and to restrict reaction forces back to the piston housing.06-17-2010
20100132798CONTROL VALVE ACTUATION - A hydraulic system includes a power source, a fluid displacement assembly, a plurality of actuators, a plurality of control valves and an electronic control unit. The fluid displacement assembly is coupled to the power source. The plurality of actuators is in selective fluid communication with the fluid displacement assembly. The plurality of control valves is adapted to provide selective fluid communication between the fluid displacement assembly and the plurality of actuators. The electronic control unit is adapted to actuate the plurality of control valves, the electronic control unit receives a rotational speed of the power source, determines a firing frequency of the power source based on the rotational speed, selects a frequency of the pulse width modulation signal for the plurality of control valves based on the firing frequency of the power source, and actuates the plurality of control valves in accordance with the frequency of the pulse width modulation signal.06-03-2010
20100132635LNT Desulfation Strategy With Reformer Temperature Management - Desulfation methods for an exhaust treatment system having a fuel reformer configured upstream of a LNT. Reductant is injected upstream of the fuel reformer. The reductant reacts within the reformer to generate heat, but the system is configured for some reductant to breakthrough and react in the LNT to generate further heat. This configuration allows the LNT to operate at temperatures higher the than first device and facilitates independent control of the LNT and first device temperatures.06-03-2010
20100117308PRESSURE SENSING MODULE HAVING AN INTEGRATED SEAL PLATE AND METHOD OF ASSEMBLING PRESSURE SENSING MODULE - A method of assembling a pressure sensing module includes affixing a pressure sensor unit to an alignment tool and indexing the alignment tool to a circuit board. After the pressure sensor unit is attached to the circuit board, a seal plate is indexed thereto. A locator feature indexes receptacle elements on the circuit board, alignment tool, and seal plate. An integrated seal module includes a mounting plate having first and second opposing faces, and at least one locator hole and one or more pressure passages extending therethrough. A unitary seal member effects a fluid seal between the pressure ports and the first face and the pressure sources and the second face. A seal member and locator bushings may be formed as a single, continuous liquid injection molded framework, including portions encased by the mounting plate. Pressure passages provide fluid to pressure sensors, which may be overmolded in the mounting plate.05-13-2010
20100115937Method and Apparatus for Automatic Pump Shutoff - A method of detecting a fluid leak in a hydraulic fluid circuit includes preventing fluid from entering the circuit when an actual outlet flow rate from a pump is positive while a requested outlet flow rate to a hydraulic machine is zero. An outlet port of a variable displacement port can be selectively blocked, while in a fixed displacement pump (FDP) fluid can be diverted from the outlet port to a secondary fluid circuit. The actual outlet flow rate can be measured using a flow sensor or a swash plate angle depending on the pump design. A hydraulic fluid circuit includes a hydraulic machine, a pump, a valve at an outlet port of the pump, and a controller. The controller determines the requested flow rate, and actuates the valve to prevent fluid from entering the circuit whenever the actual outlet flow rate is positive during zero requested flow rate.05-13-2010
20100089347DUAL VARIABLE VALVE SOLENOID MODULE - A solenoid valve module includes a first solenoid valve having a first solenoid portion and a first valve body and a second solenoid valve having a second solenoid portion and a second valve body. The first valve body and the second valve body are integrally formed by a solenoid housing. The solenoid valve module is secured to a surface of an engine to provide hydraulic control for an engine component.04-15-2010
20100086402HIGH EFFICIENCY SUPERCHARGER OUTLET - A supercharger is provided that includes a housing having a first end and a second end. The housing may at least partially define a chamber and may include at least one rotor disposed within the chamber. The supercharger includes an inlet port proximate the first end of the housing and an outlet port proximate the second end of the housing. The supercharger further includes a relief chamber in fluid communication with the chamber. In an embodiment, the relief chamber may extend in the axial direction and may have a depth in the axial direction that is equal to at least about 10% of the axial length of the rotor.04-08-2010
20100084210REAR DRIVE MODULE WHEEL DISCONNECT - A wheel disconnect system is provided including a rear drive module and a constant velocity joint housing. The rear drive module includes a housing, at least one actuator, and at least one dog clutch. The dog clutch includes a first portion configured to move when the actuator is moved and a second portion configured for engagement with the first portion. The constant velocity joint housing is formed integrally with the second portion of the dog clutch. A wheel may be disconnected from the rear drive module unless engagement of the first and second portions of the dog clutch allows torque to be transferred to the wheel. In one embodiment, a hydraulically activated piston may be used to activate the first portion of the dog clutch. In another embodiment, a ball ramp may be used to activate the first portion of the dog clutch. A vehicle driveline including a wheel disconnect system is also provided.04-08-2010
20100084033HYDRAULIC ACCUMULATOR AND METHOD OF MANUFACTURE - An accumulator for a hydraulic system includes a polymer liner defining a cavity. A metal bellows assembly is housed in the cavity and separates the cavity into a first chamber and a second chamber, with the first and second chambers isolated from one another by the bellows assembly. A composite shell substantially encases the liner. The liner and shell are configured so that the first chamber receives hydraulic fluid from and delivers hydraulic fluid through an opening in the liner and the shell as the bellows assembly expands and compresses due to pressurized gas in the second chamber balancing fluid pressure changes in the first chamber. In one embodiment, the metal bellows assembly includes hydroformed bellows.04-08-2010
20100082224LEAK DETECTION SYSTEM - An injection system includes an injector, first valve, second valve, and pressure sensing device. In an embodiment, first valve is in communication with an injector outlet and includes a closed position for at least partially stopping fluid flow from injector outlet. The second valve is in communication with an injector inlet and includes a closed position for at least partially stopping fluid flow to injector inlet. The pressure sensing device is configured for sensing an injector inlet pressure drop of the injector. The injection system may be configured to stop or impede fluid flow to injector inlet when the rate of pressure drop measured by the pressure sensing device is at least equal to a predetermined pressure value that represents a rate of pressure drop measured between injector inlet and second valve when the first valve and second valve are in the closed position.04-01-2010
20100077734System and Method For Coupled DPF Regeneration and LNT DeNOx - A diesel exhaust aftertreatment system comprises an LNT within an exhaust line. A low thermal mass DPF and a low thermal mass fuel reformer are configured within the exhaust line upstream from the LNT. A thermal mass is configured downstream from the fuel reformer and the DPF, but upstream from the LNT. For LNT denitration, the fuel reformer is rapidly heated and then used to catalyze steam reforming. The DPF is also rapidly heat each time the fuel reformer is heated and the LNT denitrated. The system operates to regenerate the DPF each time the LNT is denitrated. Preferably, a second DPF is provided to augment the performance of the first DPF. Preferably, the first DPF is small and of the flow through type whereas the second DPF is much larger and of the wall flow filter type. The second DPF can be used as the thermal mass.04-01-2010
20100073116SOLENOID ASSEMBLY - A solenoid assembly for use in connection with a housing and valve body is provided. The assembly includes a magnetic coil, a magnetic pole piece, an operating rod, a magnetic armature, and at least two bearings positioned between a portion of the magnetic pole piece and a portion of the operating rod. The operating rod is slidably disposed along the bearings. The magnetic armature is at least in part centered relative to the pole piece. Activation of the coil provides an attraction between the armature and the pole piece.03-25-2010
20100071649BALL PLUNGER FOR USE IN A HYDRAULIC LASH ADJUSTER AND METHOD OF MAKING SAME - A cold-formed ball plunger blank is provided for use in manufacturing a finished ball plunger used in a hydraulic lash adjuster that includes a check valve assembly having a check ball and a retainer. The ball plunger blank includes a cup-shaped member that extends from a first end to a second end along a longitudinal axis. The cup-shaped member includes a ball portion adjacent the first end of the member and a body portion adjacent the second end of the member. The body portion has a cavity disposed therein, a counterbore extending from the second end of the body towards the first end of the member, and a shoulder that separates the cavity from the counterbore and at least partially closes the cavity. The shoulder defines a ball seat surface configured to receive the check ball and a retainer receiving surface configured to receive the retainer, wherein the ball seat surface and the retainer receiving surface are to sized to the final dimensions of the finished ball plunger. A method of cold-forming a ball plunger blank including providing a slug having first and second ends, backward extruding the slug at its first end to form a cavity that is defined by a wall, forming a generally ball-shaped outer surface at the second end of the slug to final dimensions, and upsetting at least a portion of the wall to form a shoulder that at least partially closes the cavity and defines a ball seat surface to its final dimensions.03-25-2010
20100065153OVERFILL PREVENTION CONTROL FOR FLUID STORAGE CONTAINER - An overfill prevention device is provided for preventing overflow of a fluid storage tank. The overfill prevention device includes a filler cup designed to fit within the fill opening of the tank body and attach thereto. A seal that is adapted for receiving and sealing to a fill nozzle is placed between upper and lower regions of the filler cup. A breather piece, which defines a vapor path with first and second openings, is integrated with the filler cup. The first opening of the breather piece is fluidly coupled to the lower cup region, whereas the second opening is positioned above the first opening, located at or below the full level of the storage tank.03-18-2010
20100062901Method of Controlling an External Activation Clutch Brake - A method of controlling an activation load applied to a clutch pedal. A first load is applied to the clutch pedal that has a first reaction force in a first phase of pedal movement. A switch is activated at the end of the first phase. When the switch is activated, a second load that is greater than the first load is applied to the pedal that provides a second reaction force in a second phase of pedal movement.03-11-2010
20100059123Fuel Tank Valve Assembly With Adjustable Bypass Vent Flow - A valve assembly is provided that permits adjustable vent flow from the fuel tank vapor space through a bypass vent opening based on a condition in the vapor space after nozzle shutoff. The valve assembly including a first valve, also referred to as a main float, that provides rollover protection and controls venting of the vapor space prior to nozzle shutoff. A secondary closure device, also referred to as a second valve, moves independently of the first valve to control venting of the vapor space after nozzle shutoff through a bypass vent opening formed in the valve housing in response to at least one operating condition in the fuel tank outside of a chamber defined by the valve housing in which a main float moves.03-11-2010
20100051116PILOTED FUEL TANK VAPOR ISOLATION VALVE - A vapor isolation valve includes a first chamber in fluid communication with a fuel tank and a second chamber disposed with respect to the first chamber. A diaphragm is disposed between the first and second chambers, has an orifice allowing fluid communication therebetween, and is moveable between a diaphragm open position and a diaphragm closed position. A third chamber is disposed adjacent the first chamber, relative to the diaphragm, and is in fluid communication with an exit passage. The diaphragm open position allows fluid communication between the first and third chambers, and the diaphragm closed position substantially restricts fluid communication therebetween. A pilot valve is disposed between the second and third chambers and is selectively moveable between a pilot open position configured to allow fluid communication between the second and third chambers and a pilot closed position configured to block fluid communication therebetween.03-04-2010
20100029432Dual Clutch Transmission with Multiple Range Gearing - A vehicle powertrain comprising dual torque input clutches and a multiple speed transmission with ratio range gearing is disclosed. The range gearing provides increased gear ratio coverage. A transition between a low speed ratio range and a high speed ratio range is achieved with no torque interruption. A shift from one gear ratio to an adjacent gear ratio in a speed ratio range during a shift sequence is preceded by preselecting the adjacent gear ratio.02-04-2010
20100021313ELECTRONIC CONTROL FOR A ROTARY FLUID DEVICE - A fluid device system includes a fluid pump, an electric motor in engagement with the fluid pump, and a controller. The electric motor is adapted for rotation in response to an electric signal. The controller is adapted to communicate the electric signal to the electric motor. The controller includes a lookup table having a plurality of performance data related to the fluid pump and the electric motor. The performance data from the lookup table is used by the controller to set aspects of the electrical signal communicated to the electric motor in order to achieve a desired attribute of the fluid pump.01-28-2010
20100019186ENGINE VALVE ASSEMBLY WITH VALVE CAN MOUNTABLE TO AN ENGINE COVER - An engine valve assembly is provided with a valve housing configured to promote easy fastening and removal of the valve assembly from an engine cover. The housing has a first wall and a side wall that extends therefrom to partially define an interior cavity with a cavity opening opposite the first wall. In some embodiments, the first wall has a generally teardrop-shaped surface. The first wall has a valve opening and a fastener opening that is spaced from and aligned with the valve opening along the first wall. A valve body is supported by the valve housing at least partially within the interior cavity, and may be press-fit therein. The valve housing mounts to the engine cover with the fastener inserted through the fastener opening to extend through the interior cavity and fasten to the engine cover, with the valve body extending into the engine cover.01-28-2010
20100018482VALVETRAIN OIL CONTROL SYSTEM AND OIL CONTROL VALVE - A hydraulic control system includes an oil control valve to control oil flow within a valvetrain. The control valve varies the flow rate to actuate an engine component from a first position to a second position based upon fluid pressure from the control valve. Varying the flow rate through the control valve includes increasing the flow rate through the control valve to increase the pressure to a first level to actuate the engine component to the first position. After the engine component is actuated, the flow rate through the control valve is maintained at a level sufficient to maintain the engine component in the first position. To actuate the engine component to the second position the flow rate through the control valve is then decreased. The fluid flow rate through the control valve is then maintained at a level sufficient to maintain the engine component in the second position.01-28-2010
20100008462NON-DESTRUCTIVE TEST EVALUATION OF WELDED CLADDINGS ON RODS OF HYDRAULIC CYLINDERS USED FOR SALTWATER, BRACKISH AND FRESHWATER APPLICATIONS - A method of maintaining a rod of a hydraulic cylinder for a motion compensation system of an offshore platform includes non-destructive testing of a metallic cladding deposited onto the rod. An inspection crawler includes a visual inspection device, an eddy current inspection device and an ultrasonic inspection device. The method includes rotating the visual inspection device, the eddy current inspection device and the ultrasonic inspection device around a circumference of the rod while moving the inspection crawler along a longitudinal axis of the rod to simultaneously collect data related to the metallic cladding from the visual inspection device, the eddy current inspection device and the ultrasonic inspection device. The data is analyzed to detect any discontinuities, i.e., defects, in the metallic cladding.01-14-2010
20100007325HOSE WITH FAULT DETECTION CAPABILITY - A hose fault detection system includes a hose assembly and a fault detector. The hose assembly includes a first conductive layer, second conductive layer, and an intermediate layer that is disposed between the first and second conductive layers. Each of the first and second conductive layers has an electrical characteristic. The fault detector is configured for detecting an electrical change based on the electrical characteristic to signify a potential impending failure of at least one of the first and second conductive layers of the hose. The fault detector includes a sensing device, a recording device and a digital processor. The sensing device is in electrical communication with the first and second conductive layers to measure the electrical characteristic. The recording device is configured for storing the measured electrical characteristic.01-14-2010
20100003840Dielectric Isolators - The present application is directed to dielectric isolators for use in aircraft fuel systems to control lightning induced current and allow dissipation of electrostatic charge. The dielectric isolators are configured to have a high enough impedance to limit lightning currents to low levels, but low enough impedance to allow electrostatic charge to dissipate without allowing buildup. Although the dielectric isolators may develop a potential difference across the dielectric length due to the effects of lightning currents and its inherent impedance, they are configured to withstand these induced voltages without dielectric breakdown or performance degradation. In one embodiment, the dielectric isolator includes a tube constructed of a composition including a thermoplastic organic polymer (e.g., PEEK) and carbon nanotubes, and a pair of couplings attached to opposing ends of the tube. The dielectric isolator is capable of exhibiting an electrical resistance from about 1001-07-2010
20090325828ENERGY CONVERSION DEVICE AND METHOD OF REDUCING FRICTION THEREIN - A device configured for converting energy includes a first surface, a second surface configured for moving with respect to the first surface during operation of the device, and a coating disposed on at least one of the first surface and the second surface. The coating includes a first layer of a ceramic alloy represented by the general formula AlMgB12-31-2009
20090322316HYDRAULIC CYLINDER ROD POSITION SENSING METHOD - A method for detecting a position of a cylinder rod includes depositing a plurality of welds substantially along the length of a steel rod and depositing a corrosion resistant material onto the steel rod by laser cladding. The cylinder rod is then placed proximate to a sensor assembly. One of the cylinder rod and the sensor assembly are moved relative to the other. The sensor assembly detects a change in properties between the steel rod and the welds and generates a corresponding signal. A change in position of the cylinder rod or damage to the cylinder rod can be detected by analyzing the number and strength of the signals.12-31-2009
20090322078Coupling Assembly - A coupling assembly for releasably interconnecting a fluid joint is provided where the fluid joint includes confronting ends of a pair of fluid conveying members, each of which has a ferrule fixedly attached thereto, and a sleeve circumferentially surrounding the ferrules. The coupling assembly includes a pair of coupling members, each of which has a first end and a second end, a hinge assembly configured to hingedly connect the first ends of the coupling members to permit them to rotate relative to each other between an open position and a closed position where the coupling members surround the sleeve, a pair of bonding wires, each of which is coupled to a respective coupling member and configured to electrically bond the respective coupling member to the ferrules of respective fluid conveying members, and a releasable latching assembly configured to releasably secure the second ends of the coupling members together when they are in their closed position. Optionally, the coupling assembly includes a pair of bonding members, each of which is externally mounted to a respective coupling member and configured to electrically bond the respective coupling member to the sleeve and/or a latch indicator configured to be moved to a closed position over the releasable latching assembly only when the second ends of the coupling members are secured together by the releasable latching assembly.12-31-2009
20090282812System and method of operating internal combustion engines at fuel rich low-temperature- combustion mode as an on-board reformer for solid oxide fuel cell-powered vehicles - The invention provides a distinctive method of operating an internal combustion engine in a low-temperature combustion mode. An engine combustion chamber is provided with fuel and air charges before combustion conditions are reached. The fuel charge is sufficient to provide a fuel-air equivalence ratio of at least 1.05. The fuel and air are allowed to mix prior to combustion. The fuel is provided to the combustion chamber at least 20 crank angle degrees before top dead center. The fuel and air charges are regulated such that the mixture auto-ignites as a result of the heat and pressure generated by the compression stroke. The amounts are further regulated such that combustion occurs below a temperature at which significant soot production occurs. In one embodiment, early intake valve closing is used to limit the air charge. The method provides a rich low temperature combustion mode operation, which has several applications.11-19-2009
20090272598Isolation Valve for a Load-Reaction Steering System - A steering system includes a fluid actuator, a first steering circuit in selective fluid communication with the fluid actuator, and a second steering circuit in selective fluid communication with the fluid actuator and disposed in parallel to the first steering circuit. The second steering circuit includes a load-reaction feature and an isolation valve with the isolation valve being adapted to enable and disable the load-reaction feature.11-05-2009
20090266275SHIPPING SYSTEM FOR OBJECTS SUCH AS AN AIRCRAFT ENGINE - An embodiment of a shipping system for transporting an object is provided. In an embodiment, a shipping system is provided that includes a frame assembly, a cradle assembly, and a mechanism for simultaneously rotating and translating the cradle assembly relative to the base of the frame assembly. The frame assembly includes a base. The cradle assembly is connected to the frame assembly, and includes a forward member for securing a forward portion of the transported object (e.g., an aircraft engine) and an aft member of securing an aft portion of the object being transported.10-29-2009
20090266199Powertrain for an Automotive Vehicle with Multiple-Ratio Gearing and a Dual Power Input Clutch - A multiple-ratio transmission with countershaft gearing with dual power input clutches. Ratio changes are made from each of several ratios to a preselected ratio by alternately engaging and disengaging the power input clutches. A robust bearing arrangement provides high torque transmitting capacity. An optimum number of transmission ratios are available with a minimum number of gear meshes.10-29-2009
20090241522System and Method For Improved Emission Control of Internal Combustion Engines Using Pulsed Fuel Flow - The present invention provides systems and methods to improve the performance and emission control of internal combustion engines equipped with nitrogen oxides storage-reduction (“NSR”) emission control systems. The system generally includes a NSR catalyst, a fuel processor located upstream of the NSR catalyst, and at least one fuel injection port. The fuel processor converts a fuel into a reducing gas mixture comprising CO and H10-01-2009
20090218161Control Valve Assembly for Electro-Hydraulic Steering System - A steering system includes a fluid pump and an electro-hydraulic steering circuit in selective fluid communication with the fluid pump. The electro-hydraulic steering circuit defines a first flow path having a first proportional valve and a first load-sense passage in selective communication with the first proportional valve. The first proportional valve includes a closed position. A hydrostatic steering circuit is in selective fluid communication with the fluid pump and defines a second flow path having a second proportional valve and a second load-sense passage in selective fluid communication with the second proportional valve. The second flow path is in a parallel flow configuration with the first flow path. An isolation valve is disposed in the first flow path in series with the first proportional valve. The isolation valve includes a closed position and is piloted to the closed position by fluid communicated through the second load-sense passage.09-03-2009
20090199915FLUID CONTROLLER WITH MULTIPLE FLUID METERS - A fluid controller includes a first fluid meter defining a first plurality of volume chambers and a second fluid meter defining a second plurality of volume chambers. A selector assembly, disposed between the first fluid meter and the second fluid meter, includes a selector plate defining a bore and a selector valve disposed in the bore. The selector valve is adapted for rotational movement between a first position and a second position and includes a first face and an oppositely disposed second face. The selector valve defines a plurality of thru-passages that extend axially through the first and second faces and that is adapted to provide fluid communication between the first and second volume chambers in the first position. The selector valve defines a groove disposed on the second face. The groove recirculates fluid from the second plurality of volume chambers when the selector valve is in the second position.08-13-2009
20090194170MULTI-FUNCTION CONTROL VALVE FOR FUEL VAPOR SYSTEM - A fuel vapor vent valve assembly is provided that may include a float valve and an isolation valve arranged in series with each other. Bypass openings in the valve assembly create multiple flow paths as the float valve and the isolation valve respond to changes in fuel tank pressure and fuel level. The control valve assembly may include a housing defining a chamber with a main opening configured to open the chamber to the tank, a vapor vent passage and a first bypass vent opening. A float in the chamber closes the vapor vent passage when fuel in the chamber is at or above a predetermined level. The first bypass vent opening vents the tank to the chamber even when the fuel covers the main opening. A feature on the float provides a metered opening of the vapor vent passage between closed and fully open based on float position.08-06-2009
20090189105SOLENOID VALVE ASSEMBLY - A solenoid valve assembly includes a bobbin supporting a coil and having at least one protrusion on an inner surface, an adjustment member disposed within the bobbin and in contact with the at least one protrusion, a pole piece disposed within the adjustment member, a valve body having a seat, wherein the bobbin is disposed in contact with the seat, a spool slideably disposed within the valve body, and a resilient member disposed in contact with the adjustment member and the spool.07-30-2009
20090189104VALVE ASSEMBLY AND METHOD OF ASSEMBLY - A valve assembly is provided that has a valve body defining first and second valve seats and a fluid chamber between the valve seats. The valve assembly includes a first valve that has an extension portion and a plug portion. The plug portion is configured to be selectively seated at the first valve seat. The extension portion is configured to extend within the fluid chamber past the second valve seat when the plug portion is seated at the first valve seat. A second valve is configured to interfit with the extension portion to connect to the first valve for common movement therewith. The second valve is configured to be selectively seated at the second valve seat. Fluid flow through the fluid chamber past the valve seats is controlled by the common movement of the connected first and second valves.07-30-2009
20090166274Engine valve with a combined engine oil filter and valve actuator solenoid - The disclosed fluid filter screen assembly includes a filter body with an embedded filter screen, the filter screen being disposed in a fluid flow path between flow inlet and flow outlet openings in the filter body. A magnet effectively in contact with the filter screen increases the capacity of the filter assembly to separate particles from the fluid flow path.07-02-2009
20090156358Transmission shift signal for aftertreatment device control - Discontinuous torque ratio shifts by a transmission can result in complex transient exhaust conditions that can adversely affect exhaust air-fuel ratio control, which can result in ineffective regeneration. In extreme cases, the result can be irreversible damage to exhaust system components. The inventors' concept is to alter either regeneration scheduling or shift scheduling to avoid shifting while regenerating.06-18-2009
20090148330Optimized Helix Angle Rotors For Roots-Style Supercharger - A method of designing rotors for a Roots blower comprising a housing having cylindrical chambers, the housing defining an outlet port (06-11-2009
20090145899CAPLESS REFUELING SYSTEM COVER WITH LOCKING MECHANISM - A fill neck cover for a capless refueling system is provided with a locking mechanism that selectively blocks lateral movement of the cover to prevent access to the filler neck opening and may be selectively unlocked to allow lateral movement of the cover such that the fill nozzle may be inserted into the fill opening.06-11-2009
20090134621FLUID LINE ASSEMBLY - A fluid line assembly (05-28-2009
20090132142ADAPTIVE CRUISE CONTROL FOR HEAVY-DUTY VEHICLES - An adaptive cruise control system and a method for controlling the speed of a vehicle are disclosed. The system generally includes a controller which determines a torque instruction associated with a limit speed of the vehicle which is less than a selected speed. The method generally includes determining a distance between the vehicle and an object detected in the path of the vehicles determining a torque instruction which is associated with a limit speed which is less than a selected speed from at least the distances and transmitting the torque instruction to an engine controller of the vehicle.05-21-2009
20090127805Assembly for Sealing a Component and Method - An assembly is provided that has a first component at least partially defining a first generally tubular cavity or channel. A barrier layer is embedded within the first component to separate the first component into an inner layer and an outer layer. The first component has a terminal end at which the barrier layer is exposed to the first cavity. A second component at least partially defines a second cavity. The second component is positioned with respect to the first component such that the first cavity is in communication with the second cavity. A seal is used to seal the second component to the first component substantially at the barrier layer. The barrier layer and the seal thereby block at least some of the first component from permeation from the first cavity. A method is also provided.05-21-2009
20090123313Net-Displacement Control Of Fluid Motors And Pumps - Methods for controlling the net-displacement of a rotary fluid pressure device are disclosed. One of the net-displacement control methods (05-14-2009
20090120741Inertia Brake - An inertia brake assembly is disclosed. In an embodiment, the inertia brake includes a rotor hub subassembly and an inertia brake subassembly. The inertia brake subassembly includes a first reaction plate arranged opposite a first side of the rotor hub assembly, a second reaction plate arranged opposite a second side of the rotor hub assembly, and one or more connector subassemblies connecting the first reaction plate to the second reaction plate. The one or more connector subassemblies include at least one or more resilient straps, and a spacer disposed between the one or more resilient straps and one of the first and second reaction plates. The spacer is arranged about a diameter of the rotor hub subassembly. In an embodiment, the inertia brake assembly includes a sleeve. An inertia brake subassembly is also disclosed.05-14-2009
20090120072Pre-combustor and large channel combustor system for operation of a fuel reformer at low exhaust temperatures - An exhaust aftertreatment system is provided with a large channel combustor, a fuel reformer, and a lean NO05-14-2009
20090114864Failsafe fuel doser solenoid valve using a reversible electrical coil assembly - A method is provided to reduce the risk that an exhaust line reductant dosing system comprising a pulse width modulated solenoid valve will leak reductant into the exhaust. The method comprises powering the solenoid's electrical coil with a current reversed from the primary direction. The resulting magnetic field exerts a force on the valve pintel in the same direction as that exerted by the solenoid's spring. The additional force of the magnetic field can correct situations in which the valve pintel does not properly engage the valve seat.05-07-2009
20090107583Fill Nozzle Positioning Apparatus - An apparatus for positioning a fill nozzle includes an elongated fill pipe assembly. An annular seal is operatively connected within the fill pipe assembly and defines a center aperture. The annular seal is sized to seal around the fill nozzle. First and second annular restrictions are provided within the fill pipe assembly. The first and second annular restrictions define first and second apertures that are sized to sufficiently restrict lateral movement of the fill nozzle within the fill pipe assembly to maintain sealing contact of the annular seal around the fill nozzle.04-30-2009
20090105041Method for controlling a vehicle powertrain having step ratio gearing and a continuously variable transmission to achieve optimum engine fuel economy - A method is disclosed for controlling overall transmission ratios in a vehicle powertrain with an engine, fixed multiple-ratio gearing and infinitely variable ratio components. For a given vehicle speed and for a given vehicle traction wheel horsepower, the fixed multiple-ratio gearing and the infinitely variable ratio components are controlled to operate with an overall ratio that will permit the engine to operate with optimum efficiency.04-23-2009
20090071790Release Bearing Assembly - A release bearing assembly has a roller bearing, an enclosure and a slinger. The enclosure has first and second flange portions. The slinger has a body portion sized for radial disposition within an inner diameter of the first flange portion. A lip portion extends from the body portion and defines a channel between itself and the enclosure.03-19-2009
20090069153METHODS FOR SHIFTING A VEHICLE TRANSMISSION - A continuously variable transmission mechanically coupled with an automated mechanical transmission is adjusted during a shifting process. At the completion of the shifting process, an engine mechanically coupled with the automated mechanical transmission is provided a fueling pulse. Additionally, the speed of an output shaft of the automated mechanical transmission is filtered by a second order variable time constant low pass filter.03-12-2009
20090062018TORSION DAMPING MECHANISM FOR A SUPERCHARGER - A torsion damping mechanism for a rotary blower is provided that includes an input hub adapted to engage a first end of a torsion spring and an output hub adapted to engage a second end of the torsion spring. An intermediate hub is fixed for rotation with a first drive member. A bearing member includes an inner portion connected for rotation with the intermediate hub and an outer portion connected for rotation with the output hub. The bearing member may be a one-way bearing that permits torque to flow from the output hub into the intermediate hub and the first drive member when the output hub is driven in a first rotational direction, and permits the output hub to rotate relative to the intermediate hub with no substantial torque transfer therebetween when the output hub is driven in a second rotational direction.03-05-2009
20090045025Clutch Damper Spring Pocket Improvement - A torsional damper with a hub assembly and a disc assembly has coil springs disposed therebetween. The coil springs are disposed in pockets defined in part by apertures in opposed cover plates. The apertures have sharply angled end portions providing deflection relief near the ends of the coil springs.02-19-2009
20090033088ROTOMOLD BEAD - A method of assembling a fluid-tight coupling, including a sleeve and a first member is provided. The sleeve includes an end portion generally defined by an axis, and the first member includes a bead. A generally axial force is applied to at least one of the sleeve and the first member, urging a collar of the end portion of the sleeve to guide along a first surface portion. The sleeve is moved in a first direction such that at least a portion of the collar moves beyond at least a portion of the bead such that at least a mating surface of the collar is resiliently urged towards the axis and interferes with a sealing surface of the bead. The sealing surface of the bead is generally annular and is defined by a non-arcuate surface that is generally equal to or less than 90° with respect to the axis.02-05-2009
20090026760HOSE COUPLING ASSEMBLY - A hose coupling assembly for attachment to a hose having an inner surface and an outer surface. The hose coupling assembly includes a first member (e.g., a nipple) and second member (e.g., a socket). The nipple includes a tapered outer surface, an outwardly facing groove extending inwardly from the tapered outer surface, and a set of external threads disposed rearward of the tapered outer surface. An annular seal is positioned within the groove. The socket includes a nipple receiving portion and a hose receiving portion secured to the outer surface of the hose, where the nipple receiving portion has a set of internal threads configured to mesh with and threadingly engage the external threads on the nipple. Upon insertion of the nipple into the nipple receiving portion of the socket and the subsequent threading of the external threads of the nipple into the internal threads in the socket, the annular seal on the nipple sealingly engages the inner surface of the hose.01-29-2009
20090025375Catalyst composition and structure for a diesel-fueled autothermal reformer placed in and exhaust stream - The inventions relates to catalysts comprising precious metals supported on La stabilized refractory metal oxides. The La is provided on the surface of the refractory metal oxide in an amount to form at least about a monolayer, preferably about 1-2 mono-layers. Preferably, the La has no crystalline structure shown by X-ray diffraction. Nd and mixtures of La and Nd can be used in place of La. In one embodiment, the catalyst is a reforming catalyst comprising an effective amount of Rh on a ZrO01-29-2009
20090025367Physical based LNT regeneration strategy01-29-2009
20090005214METHOD FOR REDUCING TORQUE REQUIRED TO CRANK ENGINE IN HYBRID VEHICLE - A method of operating a hybrid powertrain system is provided for a vehicle that includes an internal combustion engine having an engine output to drive the vehicle and a motor having a motor output to drive the vehicle. The motor is operatively connected to the engine and operable to crank the engine. The method includes the steps of reducing compression in at least one engine cylinder and operating the motor to crank the engine. A hybrid powertrain system for a hybrid vehicle is also provided.01-01-2009
20080314031Algorithm incorporating driving conditions into LNT regeneration scheduling12-25-2008
20080314022Strategy for scheduling LNT regeneration12-25-2008
20080296971Vehicle Bus Control System - A vehicle power bus control system is disclosed. The vehicle power bus includes at least one device having an issued, maximum, positive electrical limit value, and an issued, minimum, negative electrical limit each communicated to the at least one device from a control module coupled to the at least one device. The control module includes means for expanding one or more of the issued, maximum, positive electrical limit values, and the issued, minimum, negative electrical limit values responsive to a request from the at least one device for expanding one or more of the issued, maximum positive electrical limit values and the issued, minimum, negative electrical limit values.12-04-2008
20080296846STATIC OUTSIDE DIAMETER BRUSH SEAL ASSEMBLY - An outside diameter brush seal assembly is disclosed. The brush seal assembly includes a first static component, a second static component, and a brush seal. The first and second static components may be configured to form a flow path from a first pressure cavity to a second pressure cavity. The brush seal includes a plurality of bristles that extend in a radially outward direction from the first static component to form a brush seal against the second static component.12-04-2008
20080272871ARMATURE AND SOLENOID ASSEMBLY - An armature for a solenoid assembly is disclosed. The armature includes a first portion, a second portion, and a fin. The first portion has a first axial length and a first diameter, and the first portion is configured for operative connection with a pole piece. The second portion has a second axial length and a second diameter that is larger than the first diameter. The fin extends radially from the second portion and has an axial length that is less than the axial length of the second portion. A solenoid assembly is also disclosed.11-06-2008
20080272552SEGMENTED SEAL PORTION AND ASSEMBLY - A segment of a seal assembly for sealing a higher pressure area from a lower pressure area is disclosed. The segment comprises a radial external surface, a radial internal surface for sealing against a rotating member, a transverse groove for maintaining a pressure around portions of the segment, and one or more pads including a scooping groove. The scooping groove is positioned at or in proximity to an edge of the transverse groove and provides for a transition flow between the one or more pads and the transverse groove.11-06-2008
20080266038SOLENOID ASSEMBLY - A solenoid assembly for use in connection with a housing and valve body is provided. The assembly includes a magnetic coil, a magnetic pole piece, an operating rod, and a magnetic armature. The operating rod is slidably disposed within a portion of the pole piece and is at least in part centered relative to the pole piece. Activation of the coil provides an attraction between the armature and the pole piece. An embodiment of the assembly may additionally include one or more bearings positioned between the operating rod and the pole piece.10-30-2008
20080250851INTEGRATED OIL CONDITION AND LEVEL SENSOR - An oil condition and level sensor is provided that includes a solenoid body, a coil, an armature and a pole piece. The solenoid body defines an armature chamber between the armature and the pole piece. The armature is movable in the armature chamber in response to energizing of the coil. In an oil condition sensing system, the coil is operatively connected to a controller which can determine at least one of an oil temperature, oil viscosity, oil level, and an oil change occurrence. In one embodiment, four oil levels, including an overfill oil level and an excessively low oil level may be detected. The sensor is referred to as an integrated oil condition and level sensor as multiple sensing functions are integrated into one sensor.10-16-2008
20080245058Closed loop control of exhaust system fluid dosing - An exhaust line fuel injection system and associated methods of operation and control are disclosed. The fuel passes through a regulating valve connected to a pressurized fuel source and an outlet connected to an exhaust system fuel supply line. The exhaust system fuel supply line is connected to a nozzle, which generally comprises a check-valve and is configured to inject the fuel into the exhaust line. Using a pressure measuring device, an indication of the exhaust system fuel supply line pressure is obtained. A controller provides control over the flow regulating valve using feedback from the pressure indication and a predetermined relationship between the flow rate through the nozzle and one of the exhaust system fuel supply line pressure and the pressure drop across the nozzle. The method can be implemented with a single pressure measuring device. The same pressure measurements, especially their frequency spectrum, can be used to detect system faults.10-09-2008

Patent applications by Eaton Corporation