Fuel injection valve

Details Fuel injection valve Fuel injection valve

2007-08-07

2007-08-07

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

C239S089000, C239S090000, C239S091000, C239S092000, C239S093000, C239S533200, C239S533700, C239S533120, C239S585100, C239S585200, C239S585300, C239S585400, C239S585500

Reexamination Certificate

active

11142290

ABSTRACT:
A fuel injection valve includes a valve member, a first stop member, a second stop member, a movable core, a fixed core, and a coil. The valve member opens and closes an injection nozzle. The first stop member protrudes radially outward from said valve member. The second stop member protrudes radially outward from said valve member. The movable core is sandwiched between said first and second stop members. The movable core and one of said first and second stop members defines a fuel chamber. The fixed core is axially displaced from said movable core. The coil causes reciprocal axial displacement of said valve member such that said movable core axially reciprocates toward and away from said fixed core therewith.

REFERENCES:
patent: 4315491 (1982-02-01), Takeda
patent: 4773374 (1988-09-01), Kiuchi et al.
patent: 5241935 (1993-09-01), Beck et al.
patent: 6024297 (2000-02-01), Greeves
patent: 6334576 (2002-01-01), Cho
patent: 6367769 (2002-04-01), Reiter
patent: 2003/0173424 (2003-09-01), Dentes et al.
patent: 2006/0192035 (2006-08-01), Petrone et al.
patent: 10118162 (2002-10-01), None
patent: WO 2004/074673 (2004-09-01), None
EPO Examination Report dated Oct. 27, 2006.
EPO Search Report dated May 20, 2006.
EPO Examination Report dated Mar. 31, 2006.
EPO Examination Report—Jan. 11, 2006.
EPO Search Report—Aug. 22, 2005.

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