Solenoid fuel injection valve

Details Solenoid fuel injection valve Solenoid fuel injection valve

1996-01-30

1998-05-12

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

25112916, 25112921, B05B 130, F16K 3102

Patent

active

057495270

ABSTRACT:
A solenoid fuel injection valve includes a face-type armature 32 having a coupling section 37 coupled with the needle valve 10 and a flat section 36. The armature 32 is accommodated in an armature chamber 38 and the flat section 36 partitions the armature chamber 38 into an upper armature chamber 39 and a lower armature chamber 40. A fuel passage (peripheral fuel passage 41) for communicating the upper armature chamber 39 and the lower armature chamber 40 is provided at a location other than the flat section 36 of the armature 32. The provision of the peripheral fuel passage 41 in this manner prevents bouncing of the needle valve 10 during valve opening, suppresses secondary injection, reduces noise especially during valve opening, and stabilizes the operation of the needle valve 10 during valve closing.

REFERENCES:
patent: 1284021 (1918-11-01), Wright
patent: 1999221 (1935-04-01), Walker et al.
patent: 5035360 (1991-07-01), Green et al.
patent: 5046472 (1991-09-01), Linder
patent: 5192048 (1993-03-01), Wakeman
patent: 5244180 (1993-09-01), Wakeman et al.
patent: 5494224 (1996-02-01), Hall et al.

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