Device for attenuating the stroke of the needle in...

Details Device for attenuating the stroke of the needle in... Device for attenuating the stroke of the needle in...

2007-09-25

2007-09-25

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

C239S533100, C239S533200, C239S533300, C239S533400, C239S533110, C239S585100, C239S585500

Reexamination Certificate

active

10512688

ABSTRACT:
The invention relates to a device for injecting fuel into a combustion chamber of an internal combustion engine, and which includes a fuel injector which can be acted upon by fuel at high pressure via a high-pressure source and is actuatable via a metering valve. Associated with the injection valve member is a damping element, which is movable independently of it and defines a damping chamber. The damping element has at least one overflow conduit for connecting the damping chamber to a further hydraulic chamber.

REFERENCES:
patent: 4205637 (1980-06-01), Ito et al.
patent: 5752659 (1998-05-01), Moncelle
patent: 6543706 (2003-04-01), Hutchings et al.
patent: 6793161 (2004-09-01), Fujita et al.

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