Fuel injection pump for internal combustion engines

Details Fuel injection pump for internal combustion engines Fuel injection pump for internal combustion engines

1974-09-24

1976-06-15

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

277102, 123139AA, F02M 3900

Patent

active

039630145

ABSTRACT:
A fuel injection pump for internal combustion engines includes a housing, which defines an elongated chamber, within which serial pumps including, in respective cylinders, pump pistons driven by a cam shaft via respective cams. The elongated chamber is closed by a single cover. A seal is provided between the cover and the housing by an O-ring tightened between an offset provided on the circumference of the cover and an inwardly facing wall of the housing. The offset provided on the circumference of the housing is so shaped, along its surface facing the inwardly facing wall of the housing that the O-ring is primarily stressed axially, with respect to the direction of fastening of the cover, along two sections which extend in the longitudinal direction of the cover and that the O-ring is primarily stressed radially in the region of the housing adjacent to end walls of the housing.

REFERENCES:
patent: 1953449 (1934-04-01), Thege
patent: 3667437 (1972-06-01), Dreisin

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