Fuel injector with damping means

Details Fuel injector with damping means Fuel injector with damping means

1998-07-06

1999-05-11

Miller, Carl S.

Internal-combustion engines

Charge forming device

Fuel injection system

123496, F02M37/04

Patent

active

059016850

ABSTRACT:
A fuel injector comprises a valve needle biased by a spring towards a seating. The spring engages a spring abutment member which is moveable with a piston member. The spring abutment member defines, with a member carried by the needle, a damping chamber which communicates through a restricted passage with a low pressure drain to damp movement of the needle relative to the piston member.

REFERENCES:
patent: 4627571 (1986-12-01), Kato
patent: 4684067 (1987-08-01), Cotter
patent: 4798186 (1989-01-01), Ganser
patent: 4805580 (1989-02-01), Buisson
patent: 5012786 (1991-05-01), Voss
patent: 5156132 (1992-10-01), Iwanaga
patent: 5638791 (1997-06-01), Tsuzuki
patent: 5664545 (1997-09-01), Kato
patent: 5694903 (1997-12-01), Ganser
patent: 5832899 (1998-11-01), Soteriou

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