Electromagnetic fuel injection valve and attachment structure th

Details Electromagnetic fuel injection valve and attachment structure th Electromagnetic fuel injection valve and attachment structure th

1996-01-16

1998-01-13

Miller, Carl S.

Internal-combustion engines

Charge forming device

Fuel injection system

123456, 277213, F02M 3704

Patent

active

057067872

ABSTRACT:
An object is to provide an electromagnetic fuel injection valve 30 and an attachment structure thereof that satisfy the required sealing performance, heat resistance, and pressure resistance for an engine with a cylinder injection system, and with which it is possible to minimize the change in the amount of lift L of the needle valve 10 originating in distortion caused by attachment load.
Attention was focused on the sealing of the area in close proximity to the cylinder 39 where the electromagnetic fuel injection valve 30 is attached, and of the area away from this area of close proximity, and as a result, the present invention has a first sealing portion 44, in which a first gasket (the corrugated washer 46) is positioned at a location close to the cylinder 39 between the electromagnetic fuel injection valve and the cylinder head, and a second sealing portion, in which a second gasket (the plate washer 48) is positioned at a location further away from the cylinder 39 than this first sealing portion 44 between the electromagnetic fuel injection valve and the cylinder head.

REFERENCES:
patent: 1793234 (1931-02-01), Mahler
patent: 3770285 (1973-11-01), Grover
patent: 4066213 (1978-01-01), Stampe
patent: 4528959 (1985-07-01), Hauser, Jr.
patent: 4589596 (1986-05-01), Stumpp
patent: 5022661 (1991-06-01), Nakasone
patent: 5125383 (1992-06-01), Meier
patent: 5345913 (1994-09-01), Belshaw

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