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| Number | Title | Issue Date |
| 7789049 | Variable capacity water pump via electromagnetic control A variable flow coolant pump for an engine of a motor vehicle comprises a pump housing defining a fluid chamber. The fluid chamber includes a fluid inlet and a fluid outlet for providing flow of coolant through the housing. An impeller is rotationally supported in t... | 09/07/2010 |
| 7690335 | Water pump and control method for same A water pump is driven by a driving force generated by an internal combustion engine, and generates a larger driving force as a pressure introduced into a pressure chamber becomes higher. The pressure chamber is connected to a VSV through a first passage. A portion ... | 04/06/2010 |
| 7296543 | Engine coolant pump drive system and apparatus for a vehicle An engine coolant pump drive system for a vehicle having an engine, an engine coolant system, and at least one sensor for sensing at least one operational condition of the vehicle is disclosed. The pump drive system includes a magnetorheological fluid (MRF) clutch, ... | 11/20/2007 |
| 7285190 | Corrosion guard A corrosion guard is provided with a fitting having hose mating stubs extending from a central body, the stubs sized to be insertable in an existing hose of a cooling system as typical in an automotive or truck application. The central body incorporates a flange wit... | 10/23/2007 |
| RE39765 | Coolant motor fan drive The control of the coolant flow is accomplished through valving or by adjusting the pumping speed of a water pump and a water motor, or a combination of all three elements. During normal operation, where engine cooling is not required, the speed control coupling mai... | 08/14/2007 |
| 7114926 | Water pump for cooling engine A water pump for cooling an engine in which an impeller accommodated in a pump housing provided on an engine body is mounted on an end of a rotational shaft rotatably supported on the pump housing for enhancing the reliability of the mounting strength of the impelle... | 10/03/2006 |
| 7047914 | Internal combustion engine combination with direct camshaft driven coolant pump A coolant pump for use with an internal combustion engine having a crankshaft and a camshaft driven by the crankshaft includes a pump housing fixedly mountable to the engine. The pump housing includes an inlet opening to receive coolant and an outlet opening to disc... | 05/23/2006 |
| 7004118 | Water pump for internal combustion engine A water pump of an engine includes a pump housing adapted to be fixed to the engine; a pump body joined to the pump housing to define a fluid chamber of the water pump between the pump body and the pump housing; and a rotational pump shaft member extending through t... | 02/28/2006 |
| 6990932 | Motorcycle lubrication oil cooling system A motorcycle lubrication oil cooling system that cools lubrication oil without increasing the number of parts, weight, or cost, and yet is simple in construction. The cooling system is applicable to motorcycles in which an engine is cooled by a coolant pump driven b... | 01/31/2006 |
| 6968751 | Axial piston machines This invention relates to internal combustion engines with cylinders arranged parallel to the main shaft and where reciprocating movements of the pistons are converted to rotation by means of a Z-crank mechanism and motion converter, or conversely to systems such as... | 11/29/2005 |
| 6941914 | Internal combustion engine A twin cylinder engine, includes a pair of cylinder members mounted to mounting surfaces of a crankcase, and cylinder heads mounted to the cylinder members. The cylinder members are modular components, which may be pre-assembled with components of the valve train as... | 09/13/2005 |
| 6915887 | Drive member for a water pump of the cooling-water circuit of an internal combustion engine and frictional shift clutch A drive member (1) for a water pump of the cooling-water circuit of an internal combustion engine, with a drive wheel (7) and a shaft (4) which is coupled to the water pump, is proposed. According to the invention, for the transmission of torque... | 07/12/2005 |
| 6912987 | Drysump lubrication type engine A drysump lubrication type engine is integrally connected at a crankcase thereof with an oil tank. A magnet coil coaxially mounted on an extension line of a crankshaft is covered by the oil tank and accommodated between the oil tank and the engine. ... | 07/05/2005 |
| 6904883 | Modular internal combustion engines A line of small internal combustion engines, including twin cylinder engines and single cylinder engines. The engines each include a crankcase, and one or more cylinder members attached to the crankcase, the cylinder members being separate components from the crankc... | 06/14/2005 |
| 6886523 | Engine and pump assembly having combined housing A combination of an engine and a pump. An integral first housing section defines a portion of both the engine housing and the pump housing and has a first major surface which defines a portion of the interior engine housing surface and an oppositely disposed second ... | 05/03/2005 |
| 6868809 | Coolant motor fan drive The control of the coolant flow is accomplished through valving or by adjusting the pumping speed of a water pump and a water motor, or a combination of all three elements. During normal operation, where engine cooling is not required, the speed control coupling mai... | 03/22/2005 |
| 6863035 | Internal combustion engine combination with direct camshaft driven coolant pump A coolant pump for use with an internal combustion engine having a crankshaft and a camshaft driven by the crankshaft includes a pump housing fixedly mountable to the engine. The pump housing includes an inlet opening to receive coolant and an outlet opening to disc... | 03/08/2005 |
| 6796283 | Oiling system for an internal combustion engine An oiling system for an internal combustion engine includes a cover for enclosing lower portion of a cylinder block. The cover has an oil reservoir and oil inlet and an integral transfer tube having an outlet which is coupled directly to the inlet of the engine's oi... | 09/28/2004 |
| 6725813 | Temperature-controlled variable speed water pump A controllable viscous clutch that is integral to a water pump. The pump impeller is part of the output member of the clutch while the input is composed of a central drive shaft (attached to a pulley) and a clutch plate. A bimetallic control element located internal... | 04/27/2004 |
| 6651598 | Cooling system for vehicles A cooling system for a vehicle comprises: a radiator and a water pump. The water pump comprises: a housing that forms a main body of the water pump and is mounted on an engine cylinder block that is provided with a plurality of coolant passageways; a pull... | 11/25/2003 |
| 6523627 | Cooling arrangement for all terrain vehicle An all terrain vehicle has a cooling pump that is driven off a balancer shaft. The balancer shaft, in turn, is driven off a crankshaft. The cooling pump is preferably recessed inside of an outer surface of a crankcase cover member. Additionally, a lubrica... | 02/25/2003 |
| 6481391 | Magnetic driving pump of vehicle internal combustion engine To reliably prevent the occurrence of a pull out phenomenon in a magnetic driving pump of a vehicle internal combustion engine where permanent magnets, magnetized to have alternate N poles and S poles around an axis of a drive shaft and a driven shaft, ar... | 11/19/2002 |
| 6408803 | Liquid cooling system and retrofit for horizontally opposed air cooled piston aircraft engines A cooling system for conversion of air cooled aircraft engines to liquid cooling, including replacement cylinders, light weight, flex tolerant coolant manifolds and cooling system instrumentation for monitoring coolant temperature and pressure. The replac... | 06/25/2002 |
| 6363918 | PUMP ARRANGEMENT, FUEL DELIVERY SYSTEM AND LIQUID COOLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE INCORPORATING SUCH A PUMP AND A VEHICLE COMPRISING SUCH A FUEL DELIVERY SYSTEM AND LIQUID COOLING SYSTEM A pump arrangement is disclosed having a housing, a first pumping chamber within the housing, a drive shaft carried by the housing, and first pumping means arranged for rotation within the first pumping chamber. The first pumping means is driven by the dr... | 04/02/2002 |
| 6352055 | Engine water pump control system A control system for controlling engine coolant flow in an engine including a first sensor positioned to sense the temperature of a first fluid in the engine and a second sensor positioned to sense the temperature of a second fluid in the engine, an elect... | 03/05/2002 |
| 6289878 | Engine having multiple pumps driven by a single shaft An engine comprises an engine housing. A first engine fluid sub-system that includes a first pump and the engine housing defining a first fluid passage is also included in the engine. The engine also includes at least one additional engine fluid sub-syste... | 09/18/2001 |
| 6199518 | Cooling device of an engine A cooling device of an engine includes a first liquid pump driven by decelerated rotation of an engine and for circulating the cooling liquid in the engine. A second liquid pump is driven by electricity and circulates the cooling liquid in the engine as a... | 03/13/2001 |
| 6119639 | Power machine cooling The present invention is for cooling combustion engines of the kind in which two pistons are working against each other in a common cylinder bore and having a common combustion space. The invention is for a liquid cooling of such a power machine, preferab... | 09/19/2000 |
| 6119638 | Diesel powered generator cooling-water pump The instant invention is a modification to a diesel engine powered generator set to provide raw cooling-water by utilizing the engines hand crank shaft to drive a self-priming impeller-type pump in a marine setting.... | 09/19/2000 |
| 6109221 | Engine with integral coolant pump A V-type engine having a crankcase with a face, and cylinders arranged so as to form a V space therebetween. Pistons slidably mounted in the cylinders rotatably drive a crankshaft. The crankshaft is rotatably mounted in the crankcase at the junction of th... | 08/29/2000 |
| 6007303 | Controllable coolant pump for motor vehicles A controllable motor vehicle coolant pump driven by an internal combustion engine via a belt pulley connected to a driving shaft. The pump does not require a shaft seal for sealing the flow chamber against the bearing casing of the driving belt pulley, an... | 12/28/1999 |
| 5938169 | Engine mounting for engine accessory An accessory such as an alternator is mounted to an automobile with a mounting that includes an upper mounting bracket and a lower mounting bracket, these brackets each being connected to the accessory and to the engine. One end of the upper mounting brac... | 08/17/1999 |
| 5415134 | Engine cooling system for cooling a vehicle engine An engine cooling system is provided for compactly and more efficiently pumping cooling fluid through an engine and a radiator of a vehicle. The engine cooling system has an engine, a charge storage device in electrical communication with the engine for s... | 05/16/1995 |
| 5382833 | Current generator with core cooling A current generator, particularly for vehicles, has a shaft, a liquid cooled generator, a liquid cooled internal combustion engine forming a drive motor for the generator, and a pump for supplying a liquid coolant. The generator, the internal combustion e... | 01/17/1995 |
| 5282446 | Rotary pump assemblies A rotary servo fluid pump and a rotary water pump for an internal combustion engine have respective drive shafts which are both drivingly coupled to the rotor of the servo fluid pump by splines, keys, dogs or by having non-circular section shaft portions ... | 02/01/1994 |
| 5279265 | V-type internal combustion engine with improved water pump arrangement In a V-type internal combustion engine, one bank of a cylinder block having cylinders which are offset more rearward of the engine than those of the other bank. A water pump has a pump housing installed on a front end of said one bank to define therebetwe... | 01/18/1994 |
| 5216984 | V-type internal combustion engine with improved water pump driving arrangement In a V-type internal combustion engine, a timing chain is placed around and engaged with a pair of camshaft sprockets and a crankshaft sprocket. A water pump sprocket is disposed between one of the camshaft sprockets and the crankshaft sprocket and outsid... | 06/08/1993 |
| 5195479 | Drive apparatus for one or more supplemental apparatuses driven by an internal combustion engine A drive shaft for driving supplemental apparatuses is disposed in or penetrates an oil pan disposed under an engine in order to provide a compact supplemental apparatus layout or arrangement. In the oil pan, a supplemental apparatus drive unit, including ... | 03/23/1993 |
| 5191859 | Water pumping apparatus for an internal combustion engine In a water pumping apparatus for an internal combustion engine, a water pump sprocket has a timing chain wound thereon so that the water pump may be driven by the timing chain. The water pump is provided at one end face of the cylinder block within a timi... | 03/09/1993 |
| 5188065 | Water pump A water pump assembly for use on an internal combustion engine comprising a rotor assembly, including an impeller having a hub affixed to a shaft to be rotated about an axis, and a carrier for the impeller; a body defining a recess and having wall structu... | 02/23/1993 |
