Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Reciprocating
Patent
1998-01-16
2000-03-07
Shaver, Kevin P.
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Reciprocating
25112906, F02M 5106
Patent
active
060328797
ABSTRACT:
When an electromagnetic coil receives an electric supply, a stationary core, a yoke, and a movable core form a magnetic circuit. The movable core is attracted to a side of the stationary core against the force provided by a return spring member. A fuel passage for injection of fuel is then opened. Axial direction stepwise differences are formed on the movable core. One end face of the stationary core opposes the stepwise difference through a first gap. A projection portion of the yoke is provided toward an inner side of the yoke. This projection portion opposes a position of a side to provide an axial direction magnetic attraction through a second gap. By the provision of the first and second gaps, plural axial direction magnetic attraction gaps are formed and become a part of the magnetic circuit. By increasing a magnetic attraction efficiency of the movable core, an improvement in performance of a fuel injector and a fuel injector having a compact size and a light weight structure can be attained.
Gunji Kenichi
Hamada Yasunaga
Tatsumi Hideo
Yoshinari Yukihiro
Deal D.
Hitachi , Ltd.
Hitachi Car Engineering Co. Ltd.
Shaver Kevin P.
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