Fuel injector with electromagnetic actuation of the plunger

Details Fuel injector with electromagnetic actuation of the plunger Fuel injector with electromagnetic actuation of the plunger

2005-10-20

2008-09-09

Hwu, Davis D (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

C239S585300, C239S585500, C239S533900

Reexamination Certificate

active

07422165

ABSTRACT:
A fuel injector provided with an injection jet, an injection valve, the latter having a mobile plunger for regulating the flow of fuel through the injection jet, and an electromagnetic actuator, which is capable of displacing the plunger between a closed position and an open position of the injection valve and has a pair of electromagnets, each having a coil, a fixed magnetic armature, and a mobile armature; on the outer surface of a tubular supporting body of the injector, there are produced two annular slots, in each of which there is wound a corresponding coil of an electromagnet.

REFERENCES:
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patent: 6796511 (2004-09-01), Hohl
patent: 7032846 (2006-04-01), Heyse
patent: 2003/0201346 (2003-10-01), Kato et al.
patent: 1 369 571 (2003-12-01), None
European Search Report, issued in Application No. EP-05 10 9645, dated Aug. 24, 2006.

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