About 32 results
https://drivepatents.com/patents/1012741 · 25 May 2011
A high pressure fuel pump (20) that pressurizes and supplies a fuel by driving a cam (21) such that a plunger (23) reciprocates, the high pressure fuel pump (20) comprises a lifter guide (25) having a guide hole (25A), a lifter (22) that is disposed betwee...
https://drivepatents.com/patents/1067364 · 17 May 2006
The injection system (1) comprises a pump (7) designed to send fuel at high pressure to an accumulation volume, for example formed by a common rail (6), for supplying a plurality of injectors (5). The pump (7) comprises at least one pumping element (18) ac...
https://drivepatents.com/patents/1076703 · 22 Jun 2005
A fuel supply pump (1) includes a housing (11), a camshaft (14) and a cam ring (15). The camshaft (14) is rotatably supported in the housing (11). The cam ring (15) is supported around a cam portion (142) of the camshaft (14) such that the cam ring (15) is...
https://drivepatents.com/patents/1078934 · 30 Mar 2005
A piston pump (18) especially for high pressure, comprises a housing (28) and a piston (40) with a piston spring (72) on a spring plate (72) with the plate axially supporting the piston. The plate supports a support disc (68) that engages with a ring slot ...
https://drivepatents.com/patents/1083982 · 15 Sep 2004
A fuel supply pump (1) comprises a low-pressure supply pump (15) for pumping up a low-pressure fuel, and a pump element (2) having a plunger (21) for increasing the pressure of the low-pressure fuel supplied into a pressure chamber (26) by the low-pressure...
https://drivepatents.com/patents/1089196 · 3 Mar 2004
Fuel system comprises a low-pressure region (18), a high-pressure fuel pump (24), and a high-pressure region (26). The high-pressure fuel pump consists of a housing (38, 42), at least one moving conveying element (44) defining a conveying chamber (66), at ...
https://drivepatents.com/patents/1091736 · 19 Nov 2003
A fuel pump for use in a common rail fuel system for an internal combustion engine comprises a plurality of pump assemblies (12), each of which has a pumping plunger (14) which is reciprocable within a respective plunger bore under the influence of an asso...
https://drivepatents.com/patents/1092947 · 1 Oct 2003
A fluid pump, wherein a cylinder supporting a plunger and a pump housing are formed with dissimilar metals and a pressing mechanism to press the cylinder and the pump housing relatively to each other is provided so that a pressurizing chamber is sealed thr...
https://drivepatents.com/patents/1095929 · 21 May 2003
The object of the-present invention is to provide a high-pressure fuel supply apparatus, in which the durability of the fuel sealing section is improved and additionally the evaluation time is reduced. The high-pressure fuel supply apparatus comprises a pi...
https://drivepatents.com/patents/1098341 · 19 Feb 2003
A high pressure fuel pump includes a cylinder having a pressurizing chamber and a plunger inserted into the cylinder. The plunger is axially reciprocated by a lifter to pressurize fuel in the pressurizing chamber. A seal member encompasses a portion of the...