About 32 results
https://drivepatents.com/patents/938046 · 7 Sep 2016
The invention relates to a high pressure diesel fuel pump comprising a pumping assembly and a drivetrain assembly, the pumping assembly comprising a pump housing and a plunger (10) mounted along a pumping axis (A-A'), the drivetrain assembly comprising a d...
https://drivepatents.com/patents/938034 · 7 Sep 2016
During the operation of a high pressure fuel pump, it is normal to expect internal fuel leakage between a pumping plunger (30') and plunger bore (28'). Current pump designs position critical interfaces (55', 59') directly in-line with the leaking fuel. A f...
https://drivepatents.com/patents/938046 · 7 Sep 2016
The invention relates to a high pressure diesel fuel pump comprising a pumping assembly and a drivetrain assembly, the pumping assembly comprising a pump housing and a plunger (10) mounted along a pumping axis (A-A'), the drivetrain assembly comprising a d...
https://drivepatents.com/patents/941649 · 15 Jun 2016
The invention relates to a roller tappet arrangement (32), an arrangement (10) of a high pressure fuel pump (12) and an engine block (14), the arrangement (10) comprising the roller tappet arrangement (32), and to an engine box (16) comprising the arrangem...
https://drivepatents.com/patents/944295 · 20 Apr 2016
The invention relates to a high pressure fuel pump (10) which comprises a tappet (38) guided in a tappet guide (40) along a longitudinal extension axis (46) and a spring zone (52) comprising a spring (50) to bias the tappet (38) onto a surface (48) of a dr...
https://drivepatents.com/patents/956267 · 28 Oct 2015
Cam follower roller device, notably for fuel injection pump of an internal combustion engine, comprises a casing (12), a shaft (14) mounted on the casing (12) and a roller (16) rotatably mounted on said shaft (14). The casing (12) comprises on its peripher...
https://drivepatents.com/patents/957838 · 9 Sep 2015
A small-sized and simple sliding portion structure for suppressing the deformation of a sliding portion caused by discharge pressure and the external force in fixing, and a pump for supplying high-pressure fuel having the sliding portion structure mounted ...
https://drivepatents.com/patents/949284 · 26 Aug 2015
Internal combustion engine fuel pumping mechanism (200), comprising a pumping element (214) such as a plunger, moveable within first location bore, an intermediate member such as a tappet, movable within a second location bore, and a driving mechanism such...
https://drivepatents.com/patents/968088 · 29 Oct 2014
There is provided a fuel supply pump in which even when a tappet slides at high speed, a sliding balance of the tappet is maintained and improved durability is achieved by preventing one-sided contact between the tappet and a cylinder hole. The fuel supply...
https://drivepatents.com/patents/982134 · 6 Nov 2013
In a fuel injection pump during the pumping stroke of the cycle, the contact load between the surfaces of the tappet (401) and plunger (400) can be very high leading to lubrication breakdown and fretting wear at the contact area surfaces. The present inven...