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| Number | Title | Issue Date |
| 7185634 | High efficiency, high pressure fixed displacement pump systems and methods High efficiency, high pressure fixed displacement pump systems and methods of control. A typical application is for engine driven high pressure pumps for powering loads such as fuel injectors and/or hydraulic engine valve actuators. The pump systems include a contro... | 03/06/2007 |
| 7090473 | Multiple stage pump with multiple external control valves A multiple stage pump having valves downstream from each respective pump in a same line thereof. The respective lines then merge into a common line. The multiple stage pump prevents pressure variations and shot to shot fuel variations. ... | 08/15/2006 |
| 7025044 | Pump assembly and method A pump assembly includes a high-pressure pump that flows pressurized working fluid in a fuel injection system of a diesel engine. The assembly includes a pilot-operated inlet throttle valve that receives a flow of low-pressure fluid from a feed pump and controls the... | 04/11/2006 |
| 5975054 | Protective device against unauthorized access A security system, which prevents unauthorized access to an adjusting or function element of a fuel supply pump. To that end, the security device comprises a base part, having a bottom by way of which the base part is screwed to a housing wall of the fuel... | 11/02/1999 |
| 4353336 | Fuel pumping apparatus A fuel pumping apparatus includes a slide member which can be engaged with an arm of a throttle which controls the flow of fuel to an injection pump of the apparatus. The slide is moveable by an operator to cut off the supply of fuel to the associated eng... | 10/12/1982 |
| 4209000 | Fuel injection systems An improvement in fuel injection systems for diesel engines, by way of example, wherein, between the engine shutdown unit of the fuel pump and the air shutdown line from the cab there is interposed suitable structure which is responsive both to raised pre... | 06/24/1980 |
| 4169443 | Control devices A prime mover assembly comprising a prime mover and a control therefor, said control having a lever movable in a first plane to vary the rotational speed of said prime mover and movable in a second plane to stop said prime mover.... | 10/02/1979 |
| 4054116 | Emergency fuel line closure An automobile engine driven fuel pump operates to cause alternate fuel pumping and fuel vacuum cycles in a fuel pumping chamber and concurrent alternate air vacuum and air pumping cycles respectively in an air pumping chamber and also to maintain a normal... | 10/18/1977 |
| 4051829 | Audible enrichment bleed warning device for fuel-injected engines An audible enrichment bleed warning device, for fuel-injected engines having an enrichment bleed, emits an audible warning that the enrichment bleed is open and extra fuel is being delivered to the engine, reminding the operator to close it after the engi... | 10/04/1977 |
| 4036193 | Electronically controlled fuel injection pump A plunger is reciprocable in a barrel to force fuel to the injection nozzles. The portion of the barrel defining with the plunger the compression chamber is movable and is formed with a port leading to the unpressurized fuel reservoir in such a manner tha... | 07/19/1977 |
| 3989021 | Dash pot arrangement for distribution type fuel injection pump cut off barrel In one form of the invention, a rotatable and axially slidable plunger mounted within a fixed cylindrical plunger barrel forms with the barrel the casing bore and a spring biased electromagnetically driven axially slidable cut off sleeve, a dash pot chamb... | 11/02/1976 |
