Fuel injection valve

Details Fuel injection valve Fuel injection valve

2004-01-23

2009-12-22

Kim, Christopher S (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With means to vibrate or jiggle discharge

By electric transducer

C239S456000, C239S584000

Reexamination Certificate

active

07635093

ABSTRACT:
A fuel injector, in particular a fuel injector for fuel-injection systems of internal combustion engines, includes a piezoelectric or magnetostrictive actuator which is excitable via an electrical line and actuates a valve-closure member arranged in a housing, the valve-closure member cooperating with a valve-seat surface to form a sealing seat, and an hydraulic coupler. The hydraulic coupler is fixedly arranged between the actuator and a valve-assembly that includes the valve-closure member and the valve-seat surface.

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