Fuel system

Details Fuel system Fuel system

1996-02-06

1998-01-27

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

With fuel pump

123467, 239 96, F02M 4100, F02M 4116

Patent

active

057112797

ABSTRACT:
A fuel system is disclosed which comprises a fuel pump, a spill valve and an injector provided in a single unit. The injector includes a valve member biased towards a seating by a coiled compression spring. The spring is engaged between a spring abutment of the valve member and a piston. The piston is arranged such that the face thereof facing away from the spring has fuel applied thereto when the spill valve is opened in order to assist movement of the valve member into engagement with the seating.

REFERENCES:
patent: 4475515 (1984-10-01), Mowbray
patent: 4784101 (1988-11-01), Iwanaga et al.
patent: 5176120 (1993-01-01), Takahashi
patent: 5333588 (1994-08-01), Cananagh
patent: 5441029 (1995-08-01), Hlousek
patent: 5443047 (1995-08-01), Ishiwata et al.
patent: 5522364 (1996-06-01), Knight et al.
Patent Abstracts of Japan, vol. 15, No. 25 (M-1071), 21 Jan. 1991 & JP-A-02 267363 (Nippondenso), 1 Nov. 1990.

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