About 66 results
https://drivepatents.com/patents/982153 · 6 Nov 2013
The present invention relates to a rotary fuel pump (101). The pump (101) has a rotor (107) and at least one pumping element (115) for supplying high pressure fuel. A cam box (123) containing a cam arrangement (103) is provided for actuating the at least o...
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...
https://drivepatents.com/patents/982121 · 6 Nov 2013
A fuel injector for an internal combustion engine comprises a valve needle (12) which is movable within a bore (30) relative to a valve needle seating (34) defined by the bore to control fuel delivery through at least one outlet (38) of the injector, the b...
https://drivepatents.com/patents/982444 · 30 Oct 2013
The present invention relates to a high pressure fuel pump assembly (1) for an internal combustion engine. A follower roller (39) is provided for engaging a cam (41) provided on a rotatable driveshaft (43). A shoe (19), which is guided in a shoe guide (21)...
https://drivepatents.com/patents/983523 · 9 Oct 2013
A non-return valve assembly (100) for a high-pressure fuel injection system is disclosed. The valve (100) comprises a valve chamber (102) defined in part by a first body (106) and in part by a second body (108) and defining a valve chamber wall (118), an i...
https://drivepatents.com/patents/983503 · 9 Oct 2013
The present invention relates to an injection pump system (1). An injection pump (3) is provided for supplying high pressure fuel. A low pressure fuel line (5) is provided in fluid communication with an inlet of the injection pump (3). A high pressure fuel...
https://drivepatents.com/patents/983485 · 9 Oct 2013
A process for desulfation of a NOx adsorber in a diesel internal combustion engine exhaust system is disclosed, which comprises: determining an amount of post fuel ( Q 2 ) required to reach a relatively rich target exhaust air fuel ratio (AFR rich ) on the...
https://drivepatents.com/patents/983478 · 9 Oct 2013
A valve arrangement for use in an injector, the valve arrangement arranged to be moveable between an open configuration in which the valve arrangement provides a flow path for pressurised fuel from a control chamber of the injector to a low pressure drain ...
https://drivepatents.com/patents/986683 · 18 Sep 2013
A fuel pump assembly for use in an internal combustion engine comprises a pump housing (10), at least first and second pumping plungers (16a, 16b) for pressurising fuel within a respective one of first and second pumping chambers (20a, 20b); and first and ...
https://drivepatents.com/patents/988034 · 31 Jul 2013
A pump head (14) for a high-pressure fuel pump is disclosed. The pump head comprises a head housing including a body portion (24), and a turret portion (30) extending from the body portion (24), a pumping chamber (36) defined within the body portion (24), ...