Fuel injection device

Details Fuel injection device Fuel injection device

2007-09-25

2007-09-25

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

C239S089000, C239S533200, C239S585100, C239S585300, C239S585400, C239S585500, C239S533110

Reexamination Certificate

active

10542685

ABSTRACT:
In a fuel injector (1) configured so that fuel injection is controlled by a solenoid valve (4), the solenoid valve (4) comprises an electromagnet (43), an armature bolt (41) that has a ball (42) and a plate member (41A) attached thereto and is spring-biased in the valve closing direction by a spring member (48), a stopper member (49) that limits movement of the plate member (41A) in order to limit the maximum stroke of the ball (42) and an armature plate (44) through which the armature bolt (41) passes and which collaborates with the solenoid valve (4), the contact area (S2) between the armature plate (44) and the plate member (41A) being made larger than the contact area (S1) between the plate member (41A) and the stopper member (49).

REFERENCES:
patent: 5192048 (1993-03-01), Wakeman
patent: 5921475 (1999-07-01), DeVriese et al.
patent: 6264112 (2001-07-01), Landschoot et al.
patent: 6328232 (2001-12-01), Haltiner et al.
patent: 64-36970 (1989-02-01), None
patent: 42524/1992 (1994-01-01), None
patent: 2001-295958 (2001-10-01), None

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