About 21 results
https://drivepatents.com/patents/1010711 · 3 Aug 2011
The invention relates to a fuel feed system capable of feeding a fuel to fuel injection valves at a fuel pressure with improved stability. A fuel feed system for an internal combustion engine including a fuel tank (50) and a low-pressure pump (51) for feed...
https://drivepatents.com/patents/1015831 · 16 Feb 2011
The device is provided with housings (38,40) and with a working space (66), where work space partially communicates with the fluid system. The gas volume (58) is provided by a membrane (54). The gas volume (58) is limited by other two membranes (54a,54b) w...
https://drivepatents.com/patents/1016318 · 26 Jan 2011
The device has housings (38, 40) and an operating chamber (66) that is in communication with a fluid system i.e. fuel system, of an internal combustion engine. A gas volume (58) sealable-closed by membranes (54a, 54b) are provided within the operating cham...
https://drivepatents.com/patents/1067389 · 17 May 2006
To reduce manufacturing cost of a fuel pump unit apparatus, a collar portion (1a), an insertion tube portion (1b) protruding upward from the collar portion (1a) and an external fuel discharge path (1c) are formed in a closing member (1), an internal fuel d...
https://drivepatents.com/patents/1071967 · 7 Dec 2005
A pulsation absorber (7; 7, 12; 7, 13; 7, 14; 7, 15, 16; 7, 17, 16; 18, 19) is provided in a fluid channel (5) formed in a body (J1, J2) of a fluid coupling (A1; A2; A3). Fluid flows through the fluid channel (5) in an assembled state. The pulsation absorb...
https://drivepatents.com/patents/1086076 · 23 Jun 2004
The return line connection arrangement has a pressure damper ventilation line (3) and a leakage line (4) leading from the high-pressure pump (HDP1) to a fuel tank (5), whereby the leakage line is held closed by a valve when the internal combustion engine i...
https://drivepatents.com/patents/1087789 · 21 Apr 2004
The pressure pulsation damping device has a housing (38,40) having at least one working space (66) communicating with the fuel system, in which a gas volume (58) sealed by a metal membrane (54a,54b) is provided. The membrane can be provided by a thin-walle...
https://drivepatents.com/patents/1093423 · 10 Sep 2003
The invention relates to a fuel feed system capable of feeding a fuel to fuel injection valves at a fuel pressure with improved stability. A fuel feed system for an internal combustion engine including a fuel tank (50) and a low-pressure pump (51) for feed...
https://drivepatents.com/patents/1097057 · 2 Apr 2003
The system for damping fluctuations in pressure in the fuel system (16) of an IC engine comprises a casing (36) containing two working chambers (40, 46). These are partially separated by movable diaphragms (42, 48) with a spring (52) mounted between. The s...
https://drivepatents.com/patents/1113003 · 16 May 2001
A fuel system damper is provided having ahousing which is separated by a diaphragm into first and second chambers. The first chamber is sealed and contains a spring biased toward the diaphragm. The second chamber has an opening to allow fuel from a fuel ra...