About 66 results
https://drivepatents.com/patents/987999 · 31 Jul 2013
The present invention relates to a control valve (113; 113') for a fuel injector (101). The control valve (113; 113') has a control valve body (115; 115') which defines a supply passage (133; 133') for high pressure fuel. A control chamber (119; 119') and ...
https://drivepatents.com/patents/988599 · 17 Jul 2013
A fuel injector offering improved accuracy of fuel delivery is described. The fuel injector comprises a supply means (24, 24a) for high pressure fuel, an injection nozzle (25) including a valve needle (26), a control chamber (42) for the valve needle, a fi...
https://drivepatents.com/patents/989504 · 19 Jun 2013
The present invention relates to a fuel injector (10) for use in a fuel system of an internal combustion engine. The fuel injector (10) has a supply passage (24) for high pressure fuel and an injection nozzle (25). The injection nozzle (25) includes a valv...
https://drivepatents.com/patents/990509 · 22 May 2013
A method of assessing the functioning of an EGR cooler of an EGR system in an internal combustion engine, wherein the EGR cooler can be selectively operated in a first and a second operating condition; and wherein the engine comprises at least one cylinder...
https://drivepatents.com/patents/990923 · 8 May 2013
Plug assembly (44) for high-pressure valve (10) of the type with a tubular body extending along a longitudinal axis (A) and in which, under the action of a piloted actuator, a needle (14) moves longitudinally (A) between a closed position and an open posit...
https://drivepatents.com/patents/991606 · 24 Apr 2013
An electrical drive arrangement of a fuel injection system comprising a power supply (22) operatively connected to an injector driver stage (24) which, in turn, is operatively connected to at least one fuel injector (35). The electrical drive arrangement i...
https://drivepatents.com/patents/985061 · 17 Apr 2013
A method of determining fuel quality in an internal combustion engine comprises the steps of: a) sampling a signal representative of the revolution speed of said engine during a sampling window, thereby obtaining an array of samples; and b) computing a Fou...
https://drivepatents.com/patents/985590 · 13 Mar 2013
An injection nozzle for injecting fuel into a combustion chamber of an internal combustion engine is disclosed. The injection nozzle comprises a nozzle body (13) having a bore (17) for receiving fuel from a supply line (12) for pressurised fuel, an outlet ...
https://drivepatents.com/patents/993770 · 16 Jan 2013
An electrical drive arrangement for at least one fuel injector (54) of a fuel injection system comprises: a buffer capacitor (60) adapted to store energy; a charging stage (64) for charging said buffer capacitor (60) to a target charge voltage (V charge );...
https://drivepatents.com/patents/994661 · 26 Dec 2012
The invention relates to an assembly (30) for an electrically operated valve (34) in the automotive field aimed to increase the injection pressure of fuel distributed to combustion chambers, said assembly (30) comprising both a coil unit (32), wherein a so...