Fuel injection valve

Details Fuel injection valve Fuel injection valve

2006-11-28

2006-11-28

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

C239S533200

Reexamination Certificate

active

07140562

ABSTRACT:
A fuel injector for the direct injection of fuel into the combustion chamber of an internal combustion engine includes a valve needle situated in a nozzle body, the valve needle being actuable by an actuator and acted upon by a restoring spring in such a manner that a valve-closure member which is in operative connection to the valve needle and faces the combustion chamber is kept in sealing contact with a valve-seat surface in the non-actuated state of the actuator. A first jet-opening angle α1is assigned to a first lift state of the valve needle and a second jet-opening angle α2to a second lift state of the valve needle.

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