Injector with a magnet valve for controlling an injection valve

Details Injector with a magnet valve for controlling an injection valve Injector with a magnet valve for controlling an injection valve

2005-04-12

2005-04-12

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

C239S585300, C239S585400, C239S585500, C239S533200, C239S533300, C239S533120

Reexamination Certificate

active

06877680

ABSTRACT:
Disclosed is an injector for fuel injection, with a magnet valve for controlling an injection valve, in which the magnet valve has a movable armature that can be moved onto a valve seat in the lower armature chamber. The lower armature chamber communicates fluidically with the control pressure chamber of the injection valve via bores. Via a return bore, incidental leak fuel quantities can be returned to a tank via the lower armature chamber. To prevent armature recoil upon closure of the valve seat by the armature, it is proposed that means be provided in the injector for reducing pressure fluctuations occurring in the lower armature chamber. Eliminating pressure fluctuations in the lower armature chamber leads to maximal elimination of armature recoil.

REFERENCES:
patent: 4759330 (1988-07-01), Kato et al.
patent: 4911127 (1990-03-01), Perr
patent: 5842452 (1998-12-01), Pattanaik
patent: 6308689 (2001-10-01), Augustin
patent: 197 08 104 (1998-03-01), None
patent: 196 50 865 (1998-10-01), None
patent: 100 09 037 (2001-06-01), None
patent: 6 147050 (1994-05-01), None
patent: 8 303316 (1996-11-01), None

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