About 66 results
https://drivepatents.com/patents/1005862 · 25 Jan 2012
A method of providing electronic trim data for a fuel injection device to an engine system, the method comprising: reading an identifier associated with the fuel injection device; accessing a database containing trim data associated with the identifier; do...
https://drivepatents.com/patents/1005858 · 25 Jan 2012
A method of controlling NO x emissions in an internal combustion engine is proposed, wherein the engine comprises an exhaust system with oxidation - promoting catalyst means (22) having a NO oxidation efficiency, and wherein the engine is normally operated...
https://drivepatents.com/patents/1006832 · 28 Dec 2011
A fault detection method for detecting short circuit faults in an injector arrangement at engine start-up. The injector arrangement comprises one or more piezoelectric fuel injectors (12a, 12b), which are connected in a drive circuit (20). The potential (V...
https://drivepatents.com/patents/1007321 · 7 Dec 2011
A system for pressurised fluid flow comprises a drilled element 100 with a primary bore 110 and a secondary bore 120 with an intersection 130 between them. The drilled element 100 is loaded by at least one loading element which provides a loading force at ...
https://drivepatents.com/patents/1008490 · 19 Oct 2011
The present invention relates to an actuator arrangement for use in a fuel injector, comprising: a piezoelectric actuator having a body section, said body section having a first end piece and a second end piece; a rigid encapsulation member which encloses ...
https://drivepatents.com/patents/1008686 · 12 Oct 2011
A method of determining whether a given cylinder in an engine system is ready for injection/ignition, the engine system comprising a plurality of cylinders, the method comprising: monitoring the in-cylinder pressure of the given cylinder within the engine ...
https://drivepatents.com/patents/1008706 · 12 Oct 2011
A reagent dosing system (10) for an internal combustion engine having an exhaust pipe (20) and a pump are disclosed. The reagent dosing system (10) comprises a first pump (26) having input means (30) for receiving reagent from a reagent supply (22) and out...
https://drivepatents.com/patents/1008673 · 12 Oct 2011
A method of diagnosing faults within an engine system (1), the engine system comprising a plurality of cylinders, the method comprising: monitoring (310) the output signal of one or more in-cylinder pressure sensors (3) within the engine system, each of th...
https://drivepatents.com/patents/1008942 · 5 Oct 2011
The present invention relates an actuator arrangement for use in a fuel injector, comprising: a piezoelectric actuator having a body section, said body section having a first end piece and a second end piece; a sleeve which enshrouds at least part of the b...
https://drivepatents.com/patents/1009202 · 28 Sep 2011
An injection nozzle (30) for an internal combustion engine, the injection nozzle (30) comprising a nozzle body (32) provided with a bore (36) within which a valve needle (34) is moveable, the valve needle (34) being engageable with a substantially conical ...