Fuel injection valve

Details Fuel injection valve Fuel injection valve

2005-07-26

2005-07-26

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

C239S585100, C239S533200, C239S533300, C239S088000, C239S533900

Reexamination Certificate

active

06921036

ABSTRACT:
A fuel injector, in particular for direct injection of fuel into the combustion chamber of an internal combustion engine having mixture compression and spark ignition, has an armature, which cooperates with a solenoid, and a valve needle, which is connected to the armature, and on which a valve-closure member is provided which, together with a valve-seat surface, forms a sealing seat. The valve needle has a conical area, which cooperates with a conical recess in the armature so that the armature, is joined to the valve needle in a friction-locking and form-locking manner.

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Beitz et al.,DUBBLE Pocketbook For Mechanical Engineering, 1997 Stringer, Berlin, ISBN No. 3-540-6247-8, 19thEd., Cone Interference Connections, p. G27, par. 1.4, p. G30, par. 1.4.3, figure 33G.*.

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