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| Number | Title | Issue Date |
| 8142173 | Variable displacement vane pump In a variable displacement vane pump employing a cam ring, a pump rotor, and a plurality of vanes, each slidably fitted into the rotor, a biasing member is provided to force the cam ring in a direction that a geometric center of an inner peripheral surface of the ca... | 03/27/2012 |
| 7789635 | High-pressure pump piston/cylinder unit A high-pressure pump piston/cylinder unit includes a pump cylinder having a piston which oscillates therein provided in a housing. The piston is connected to a controlled drive to vary a suction and compression stroke volume of the pump cylinder. The pressure of the... | 09/07/2010 |
| 7413417 | Motor vehicle drive arrangement In a motor vehicle drive arrangement oil is supplied to a drive gear mechanism and other drive elements by an oil pump which is driven only by an electric motor and is arranged in a space in which one or more torque transmission devices such as a hydrodynamic torque... | 08/19/2008 |
| 7383796 | Internal combustion engine Embodiments in accordance with the present invention provide an opposed piston, opposed cylinder (OPOC) internal combustion engine. The OPOC engine comprises two cylinders opposed at 180 degrees. A linking element connects two outer pistons so that they move in tand... | 06/10/2008 |
| 7367788 | Pump for antilock braking system in vehicle A pump including a main body having a piston provided in a portion of the main body, the piston being configured to reciprocate linearly. A piston spring may be provided within the main body and configured to bias the piston toward an end of the main body. Further, ... | 05/06/2008 |
| 7357105 | Hydraulic valve driving device and engine including the same and vehicle A hydraulic valve driving device includes a valve actuator operable to drive an engine valve, a hydraulic pump that generates the oil pressure for the valve actuator, a hydraulic pump driving motor that drives the hydraulic pump, and a starter motor. At the time of ... | 04/15/2008 |
| 7354252 | Pressure intensifier A pressure intensifier for fluids has an intensifier piston with a high-pressure piston and a low-pressure piston having a greater diameter than the high-pressure piston. The pistons are moveable in a high-pressure cylinder and a low-pressure cylinder, respectively,... | 04/08/2008 |
| 7334600 | Priming apparatus for a centrifugal pump A vacuum assisted priming system for a fluid pump including a housing defining a hopper that communicates with a pump inlet. The housing mounts a first port that communicates with the source of vacuum and a second port that communicates with atmosphere. A check valv... | 02/26/2008 |
| 7322800 | System and method of providing hydraulic pressure for mechanical work from an engine lubricating system The method provides hydraulic pressure for mechanical work from an engine lubricating system in an internal combustion engine by supplying oil to an engine lubrication gallery for lubricating the engine and to at least one variable oil demand accessory. Each of the ... | 01/29/2008 |
| 7299780 | Dual high-pressure lube-oil pumps for diesel fuel injection A lube-oil pump system for a diesel engine's fuel injection system has a first and second pump. Each pump is a multi-plunger swash-plate type pump. The first pump mounts to a neck portion of a front cover of the engine's crankcase and has a driven gear that meshes w... | 11/27/2007 |
| 7299792 | Centrifugal compressor with improved lubrication system for gear-type transmission A centrifugal supercharger includes a case presenting a compressor chamber and a transmission chamber. An impeller in the compressor chamber is mounted to a shaft that extends into the transmission chamber. The impeller shaft is drivingly connected to a power input ... | 11/27/2007 |
| 7287379 | Turbo compressor system for internal combustion engine comprising two serially placed turbo units with their rotation axes essentially concentric A turbocharger system for an internal combustion engine having at least one exhaust line for evacuating exhaust gases from the combustion chamber of the engine and at least one inlet line for supplying air to the combustion chamber. A high-pressure turbine interacts... | 10/30/2007 |
| 7281908 | Electrically powered blower with improved heat dissipation An electrically powered blower configured to be capable of fully cooling its motor and of efficiently cooling a power element in a drive circuit without involving such need as of increasing the size of a fin of a separate heat radiator, contributing to miniaturizati... | 10/16/2007 |
| 7281910 | Motor driven compressor A motor driven compressor having a motor for driving a compression mechanism includes a connecting portion for connecting between an external terminal for supplying electricity to the motor and a wire end portion of a stator of the motor. The connecting portion is l... | 10/16/2007 |
| 7275917 | Safety device for hydraulic pump A safety device (12) is disclosed for use in a hydraulic pump system (10). The device includes a generator (20) mounted between the power take off (14) and the hydraulic pump (24). Any time the hydraulic pump (24) is operate... | 10/02/2007 |
| 7258086 | Four-cylinder, four-cycle, free piston, premixed charge compression ignition, internal combustion reciprocating piston engine with a variable piston stroke A four-cycle, four-cylinder, premixed charge compression ignition internal combustion reciprocating free piston engine with a variable piston stroke and a compression ratio that varies as needed to provide charge ignition, to offer the potential of higher efficiency... | 08/21/2007 |
| 7255070 | Internal combustion engine Embodiments in accordance with the present invention provide an opposed piston, opposed cylinder (OPOC) internal combustion engine. The OPOC engine comprises two cylinders opposed at 180 degrees. A linking element connects two outer pistons so that they move in tand... | 08/14/2007 |
| 7255539 | Pump pressure limiting engine speed control A sprinkler system for building includes an internal combustion engine which operates a water pump. The water pump in turn forces water through pipes to sprinkler heads. The engine is at least in part controlled by a throttle control mechanism which includes a sprin... | 08/14/2007 |
| 7226273 | Method of generating compressed air, and compressor arrangement for implementing the method Method and compressor arrangement for generating compressed air, particularly for commercial vehicles, which is generated by way of a compressor unit (3) driven by an internal-combustion engine (1) from the ambient air according to a control unit (1... | 06/05/2007 |
| 7201131 | Crankcase cover plate In a cover plate for obturating a crankcase of an internal combustion engine at the bottom end thereof, which cover plate includes suction areas for collecting engine lubricant and on which a balancing shaft is rotatably supported and driven by the crankshaft of the... | 04/10/2007 |
| 7188601 | Oil pump for engine using gerotors having fully filtered oil flow The oil pump has a cam support plate attached to the engine block. The support plate has a pressure relief valve. An oil pump body assembly has a pair of gerotors on each side. The gerotors are attached to and driven by a shaft attached to the rear cam. ... | 03/13/2007 |
| 7154931 | Laser with Brayton cycle outlet pump A chemical oxygen-iodine laser (COIL) comprises an oxygen generator and a nozzle for accelerating generated oxygen to a high or supersonic velocity. A laser cavity is coupled to the nozzle, wherein the accelerated fluid, with injected iodine, is employed as a laser ... | 12/26/2006 |
| 7153065 | Multi-stage air pressure apparatus and a bi-directional pneumatic conveyance system incorporating such apparatus A multi-stage pressure/vacuum apparatus is disclosed for a bi-directional pneumatic delivery system or the like. The apparatus includes separated turbines or separated sets of turbines that are operated independently of each other to alternatively create pressure an... | 12/26/2006 |
| 7131824 | Wheeled portable air compressor A portable air compressor (10) includes a motor (24) having an output shaft (76) and a compressor (18) having an input shaft (66). The compressor (18) further includes a lower mounting surface (64) and an upper coolin... | 11/07/2006 |
| 7128549 | Cooling mechanism for cooling electric driving part of injection molding machine and cooling method for the same A cooling mechanism for cooling an electric driving part of an injection molding machine, includes a cooling part for cooling the electric driving part; and an actuating part actuated by being supplied an actuating fluid, the actuating fluid being in fluid communica... | 10/31/2006 |
| 7101156 | Method and apparatus for controlling a pumping unit Method and apparatus for reducing the pumping duty cycle of a pump assembly associated with an oil, natural gas, or water well with a concomitant reduction in the wear associated with the pump down hole components. An engine is connected with a pump assembly through... | 09/05/2006 |
| 7082751 | Gas compressor pollution control system and method A pollution control system and method for a compressor for compressing gas, according to which a combustion engine is connected to the compressor for driving the compressor, and the products of combustion from the engine are passed into the flow line connecting the ... | 08/01/2006 |
| 7077632 | Blower having a blower tube incorporating a reduction device for reducing the clear flow cross section of said blower tube at idle operation A blower (1) has a housing (10) to which a blower pipe (2) may be removably connected. An internal combustion engine located within the housing (10) drives a blower wheel. The blower wheel, in turn, generates an air flow (11) withi... | 07/18/2006 |
| 7047867 | Oscillating device for adjusting the displacement of a fluid pump A device for adjusting the displacement of a fluid pump includes a swashplate supported for pivotal movement about a first axis, and an engine having first and second cylinders. A first piston is located in the first cylinder and secured to the swashplate at a first... | 05/23/2006 |
| 7036892 | Electric powered pump An electric powered pump includes a pump body having a suction chamber, a discharge chamber and an accommodation concave portion for accommodating a pump rotor, a rotational shaft rotatably supported by the pump body, the pump rotor is fixed at a first end of the ro... | 05/02/2006 |
| 7037088 | Dual balance shaft pump assembly A dual fluid pump assembly driven by respective shafts of a dual balancing shaft assembly for an engine of an automotive vehicle. A shaft housing rotatably supports primary and secondary balancing shafts of the dual balancing shaft assembly. The shafts are coupled b... | 05/02/2006 |
| 7011051 | Hybrid two cycle engine, compressor and pump, and method of operation The hybrid comprises a two-cycle engine, boosted by the engine power compressor and a hydraulic pump. The pump plunger fastened to engine piston and located coaxially with the compressor piston and pump rotor, provide direct energy transmission to the compressor and... | 03/14/2006 |
| 7008198 | Cam operated pump having lost motion shuttle A peristaltic piston pump driven by a dedicated pump cam disposed on a camshaft of an engine. A plurality of valve-opening cams are disposed along the camshaft. The pump cam has a plurality of lobes equal in number to the number of valve cams and each pump lobe is d... | 03/07/2006 |
| 7004120 | Opposed piston engine A four-stroke opposed piston engine includes a rotating cylinder with a circumference and an aperture defined through the circumference, first and second opposing pistons, optional first and second opposing cylindrical spacers, first and second opposing piston caps,... | 02/28/2006 |
| 7003964 | Heat pump system A heat pump system (10) including a heat generator (15), a heat engine (26) supplied with heat engine working fluid (18) by the heat generator (15) having a heat engine cylinder chamber (34), a heat engine piston (32)... | 02/28/2006 |
| 6986645 | Hybrid compressor with a selective drive clutch means and speed increasing means for driving the compressor at higher speeds with an engine at high load regions A hybrid compressor system affords maximum cooling capability by making full use of an additional motor to improve the fuel consumption efficiency of a vehicle while ensuring passenger compartment cooling when the engine is stopped. The hybrid compressor system incl... | 01/17/2006 |
| 6973898 | Piston stopper for a free piston engine A free piston engine is configured with a pair of opposed engine cylinders located on opposite sides of a fluid pumping assembly. An inner piston assembly includes a pair of inner pistons, one each operatively located in a respective one of the engine cylinders, wit... | 12/13/2005 |
| 6966310 | Method and device for ventilation of gases in a combustion engine Method and arrangement for distributing exhaust gases or gases which are ventilated from a crankcase or an evaporator of a combustion engine having a cylinder head (8) with intake valves and an intake manifold (3) with a flange (9) for mounting ... | 11/22/2005 |
| 6960066 | Water pump with a hollow shaft, seal, and drain opening therein A water pump includes a rotation member, a hollow shaft portion having an opening on one end and connected to the rotation member for unitary rotating with the rotation member, an impeller connected to the shaft portion for unitary rotating with the shaft portion, a... | 11/01/2005 |
| 6959545 | Engine control based on flow rate and pressure for hydraulic hybrid vehicle A system for a hydraulically driven vehicle includes an engine having multiple, selectively operating cylinder-pump banks producing fluid flow at an outlet, a pump/motor having a variable flow rate including an inlet for driving the wheels, a hydraulic line having a... | 11/01/2005 |
