About 66 results
https://drivepatents.com/patents/998833 · 29 Aug 2012
A method of monitoring functional capability of a soot sensor (10) that is responsive to deposition of soot (18) from an exhaust gas stream on a sensor surface (14) comprises acquiring a measurement signal (61) of the soot sensor and running a plausibility...
https://drivepatents.com/patents/998827 · 29 Aug 2012
A pumping assembly having a high-pressure pumping stage and an integrated transfer pumping stage. The pumping assembly comprises a cam (104;204) arranged for eccentric rotation about a drive shaft axis (A), a cam rider (106;206), a cam follower (112;212), ...
https://drivepatents.com/patents/999504 · 8 Aug 2012
A method and an engine control system adapted for securing a vehicle are described. An engine control unit 2 uses one or more items of static digital data that are stored in a first memory. An immobiliser 3 is adapted to ensure that any item stored in the ...
https://drivepatents.com/patents/1000225 · 18 Jul 2012
An injection device for administering a reagent into an exhaust passage of an internal combustion engine, the injection device having an axis (A) along its length and comprising an outwardly opening valve member (14) having a seating surface which is engag...
https://drivepatents.com/patents/1002305 · 16 May 2012
A method of determining a minimum drive pulse (MDP) for an injector (7) in a fuel system (1) within an engine, the injector being associated with a source of pressurised fuel (4), the method comprising: (a) sending a drive pulse of a first length to the in...
https://drivepatents.com/patents/1002983 · 25 Apr 2012
An improved fuel injector for delivering fuel to an internal combustion engine. The fuel injector comprises an injector body. The injector body comprises a first conduit, and an electrical module arranged within the first conduit. The electrical module com...
https://drivepatents.com/patents/1003435 · 18 Apr 2012
A fuel pressure regulator (1,201) for a compression ignition diesel engine. The regulator (1, 201) comprises a bore (5,205) within which is located a valve member (3,203) that is moveable from a non-regulating position to a regulating position. In a non-re...
https://drivepatents.com/patents/1003855 · 4 Apr 2012
A method of fuel injection, comprising constructing an hydraulic behaviour profile by fuel pressure measurement, using the hydraulic behaviour profile to predict fuel pressure that will prevail in a fuel injector during an injection event, and supplying a ...
https://drivepatents.com/patents/1004506 · 14 Mar 2012
The invention relates to a drive circuit (20a) for an injector arrangement comprising a fuel injector (12a,12b), and a method of detecting faults in the drive circuit (20a). The drive circuit (20a) comprises diagnostic means (R F ). The diagnostic means (R...
https://drivepatents.com/patents/1005639 · 1 Feb 2012
An intermediate drive assembly (1) is provided for a fuel pump (10) having a pump housing (12) provided with at least one bore (20a, 20b, 20c) for receiving the intermediate drive assembly (1) and a pumping plunger (30) which are driven, in use, in a recip...