About 32 results
https://drivepatents.com/patents/955461 · 18 Nov 2015
A nozzle body (16) of a fuel injector (10) has an inner space extending along a main axis (A) and adapted to receive a slidably arranged valve needle (14), the inner space being divided in an upstream cylindrical chamber (38) and, a downstream cylindrical ...
https://drivepatents.com/patents/955443 · 18 Nov 2015
A control valve (14, 26) arrangement of a fuel injector (10), the control valve (14, 26) comprises a cylindrical solenoid (14), extending along a main axis (A1) and being provided with an axial cylindrical bore, a biasing means (24) arranged in the bore an...
https://drivepatents.com/patents/955741 · 11 Nov 2015
In an internal combustion engine, a method of controlling the pressure of a fuel accumulator volume which supplies fuel under pressure to one or more fuel injectors, comprising: i) determining or measuring the actual pressure at the inlet manifold; and, ii...
https://drivepatents.com/patents/955899 · 4 Nov 2015
A fuel injector an internal combustion engine, comprising a filter for filtering fuel flowing into the control valve, the filter compromising multiple filter orifices, provided on a sleeve surrounding the control valve, or on a filter element integral to t...
https://drivepatents.com/patents/956953 · 14 Oct 2015
In a fuel injector including an actuator operated valve, said valve being located within a valve body, a method comprising determining the condition where, or the point when, there is or is not electrical continuity between two injector components adapted ...
https://drivepatents.com/patents/948967 · 16 Sep 2015
A variable orifice nozzle assembly (12) of a fuel injector (10) having an upper set of spray holes (18) and a lower set of spray holes (20), and being provided with an outer valve member (36) controlling the upper holes (18) and, an inner valve member (40)...
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/949252 · 26 Aug 2015
Fuel injector (10) having a body comprising a plurality of coaxial cylindrical members (20, 22, 24) pressed against one another by an injector nut (14). A thin volume (V1, V2) extending between the nut (14) and the injector body is in fluid communication w...
https://drivepatents.com/patents/959699 · 24 Jun 2015
A method of controlling variable orifice nozzle fuel injectors in a combustion engine, said injectors being operable in at least two modes comprising: determining that there is a need to switch from a first mode to a second mode, and wherein switching of t...
https://drivepatents.com/patents/960266 · 3 Jun 2015
A fluid damper (30) comprising a tubular member within which flows the fluid. The tubular member is shaped to be flexible and to provide a degree of freedom amortizing hydraulic waves propagating in said tubular member.