About 160 results
https://drivepatents.com/patents/1003448 · 11 Apr 2012
The fuel injector has a nozzle needle (1), which is controlled in a high-pressure bore (2) of a nozzle body (3) for releasing or closing an injection opening. A guiding section (5) is formed at the nozzle needle. The nozzle needle is manufactured for reduc...
https://drivepatents.com/patents/1005619 · 1 Feb 2012
The injection valve (1) has a control chamber (27) connected with a valve chamber (31) of a control valve (30) by a discharge borehole (34), where the control valve has a spring element (45) arranged in the valve chamber. The control valve has a valve bolt...
https://drivepatents.com/patents/1006616 · 4 Jan 2012
A fuel injection device characterized in that it comprises a fluid path to which high-pressure fluid is supplied externally, a spray hole which connects with said fluid path and sprays at least a portion of the high-pressure fluid, a branch path which dive...
https://drivepatents.com/patents/1006675 · 28 Dec 2011
The injector has a sleeve-shaped closure (4) for formation of a switching valve chamber (5) and partially receiving a sealing piston (6). The closure is supported at a piezoelectric actuator (2) via a load distribution plate (9), where the load distributio...
https://drivepatents.com/patents/1007650 · 23 Nov 2011
The fuel injector comprises a hydraulic coupler unit (20) having a coupler piston (22) and a valve piston (23), where the coupler piston is pre-stressed by a pretension spring (40). The coupler unit is arranged in a low pressure space (12), where the coupl...
https://drivepatents.com/patents/1007776 · 16 Nov 2011
The injector has a magnet actuator (1) with a stroke-mobile anchor element (4) to control actuating pressure in a control volume (5) that is limited in an axial direction by a first hydraulic effective area (A1). Second and third hydraulic effective areas ...
https://drivepatents.com/patents/1007980 · 9 Nov 2011
The high-pressure injector has an injection unit (1), a drive unit (2) for driving the injection unit, a high pressure port (4) and a high-pressure storage unit (3) for supplying fuel to the injection unit. A housing (5) is arranged in a longitudinal direc...
https://drivepatents.com/patents/1008049 · 2 Nov 2011
The magnet assembly (14) has an encapsulation which has an insertion opening for a return connector for the removal of leakage amount. The return connector is locked with a clamp bracket at a final encapsulation at the magnet assembly. The final encapsulat...
https://drivepatents.com/patents/1008766 · 12 Oct 2011
The fuel injector has a hydraulic coupler unit, which has a cup-shaped coupler piston (51) and a valve piston, which is adjustably guided at a tube-shaped coupler body (52). The cup-shaped coupler piston and the tube-shaped coupler body are provided with a...
https://drivepatents.com/patents/1008915 · 5 Oct 2011
The injector has a pressure chamber (25) for converting an axial movement of a coupling piston (22) into an axial movement of a valve piston (23) corresponding to a diameter ratio of the pistons. A prestressing spring element prestresses the coupling pisto...