Fuel injection valve

Details Fuel injection valve Fuel injection valve

2006-05-09

2006-05-09

Ganey, Steven J. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With means to vibrate or jiggle discharge

By electric transducer

C239S584000, C239S533800, C239S533900, C251S057000, C251S129060

Reexamination Certificate

active

07040550

ABSTRACT:
A fuel injector for the direct injection of fuel into the combustion chamber of an internal combustion engine includes a piezoelectric or magnetostrictive actuator, a hydraulic coupler, the hydraulic coupler having a master piston and a slave piston that are connected to a pressure chamber, and the pressure chamber being filled with an hydraulic fluid. The pressure chamber is sealed from an actuator chamber by a first seal and from a valve interior chamber by a second seal.

REFERENCES:
patent: 6062532 (2000-05-01), Gurich et al.
patent: 6766965 (2004-07-01), D'Arrigo
patent: 2003/0116656 (2003-06-01), Hohl
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patent: 1046809 (2000-10-01), None
patent: 1079158 (2001-02-01), None
patent: 1111230 (2001-06-01), None

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