Fuel injector

Details Fuel injector Fuel injector

2005-05-10

2005-05-10

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With means to vibrate or jiggle discharge

By electric transducer

C239S102100, C239S585100, C239S585300, C239S585500, C239S533300

Reexamination Certificate

active

06889913

ABSTRACT:
A fuel injector for a fuel injection system of an internal combustion engine is described. The fuel injector has a fuel inlet connection piece for supplying fuel, a piezoelectric or magnetostrictive actuator, which is sealed off from the fuel by a seal, and a valve closing body actuatable by the actuator via a valve needle. The valve closing body working together with a valve seat surface to form a seal seat. The seal includes an inlet-side gasket, which is arranged between the fuel inlet connection piece and the actuator, and an actuator jacket that is elastically deformable in a longitudinal direction and is connected to the inlet-side gasket.

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