Fuel injector internal passages and filter

Details Fuel injector internal passages and filter Fuel injector internal passages and filter

1977-06-08

1979-09-25

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123139AK, 123139AW, 123 32R, 123195C, F02M 3900, F02F 700

Patent

active

041686896

ABSTRACT:
A fuel supply system is provided, including a plurality of fuel injection pumps within the cylinder head on a cylinder block, a fuel manifold having a fuel supply portion and a fuel return portion external to the cylinder head and extending the length thereof, each pump having a fuel supply and outlet passage integrally formed in the cylinder head and communicating with an annular passageway about each fuel injector, each said fuel supply and outlet passage further communicating with said fuel manifold by means of a pair of exterior conduits extending from the manifold directly to opposite ends of said passage in the cylinder head, each said exterior conduit extending exteriorly of the valve covers to preclude contamination of engine lubricant with fuel that may leak from the connections between exterior conduits and the passages in the cylinder head. Each pump includes a plurality of radially spaced inlets and outlets communicating with the annular passageway and a selected filter is positioned in each said inlet and outlet.

REFERENCES:
patent: 1982023 (1931-07-01), Ritz
patent: 2062644 (1936-12-01), Ensign
patent: 2916028 (1959-12-01), Mansfield
patent: 3753426 (1973-08-01), Lilley
patent: 3782864 (1974-01-01), Perr
patent: 3845748 (1974-11-01), Eisenberg
patent: 4036195 (1977-07-01), Bailey
patent: 4046122 (1977-09-01), Nakagawa et al.

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