Fuel pumping apparatus

Details Fuel pumping apparatus Fuel pumping apparatus

1996-03-28

1996-11-19

Miller, Carl S.

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

123446, F02M 3704

Patent

active

055752535

ABSTRACT:
A fuel pumping apparatus comprises a body defining a first bore within which a pumping plunger is reciprocable. The first bore communicates with a spill valve. A pilot piston is moveable within a pilot bore under the influence of the pressure within the first bore. A piston member is slidable within a blind drilling provided in the pilot piston such that upon movement of the pilot piston, fuel within the drilling is pressurised to a higher pressure than fuel within the first bore. Passage means connects the drilling with a fuel injection nozzle.

REFERENCES:
patent: 4224903 (1980-09-01), Mowbray
patent: 4259040 (1981-03-01), Scheying
patent: 4520774 (1985-06-01), Sitter
patent: 4590904 (1986-05-01), Wannenwetsuh
patent: 4671232 (1987-06-01), Stumpp
patent: 4711209 (1987-12-01), Henkel
patent: 5090378 (1992-02-01), Gonzalez
patent: 5195487 (1993-03-01), Zurner

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