Fuel injection pump for internal combustion engine

Details Fuel injection pump for internal combustion engine Fuel injection pump for internal combustion engine

1976-05-21

1978-04-11

Myhre, Charles J.

Pumps

Expansible chamber type

Pumping member position controlled port

123139AD, F04B 3910

Patent

active

040836622

ABSTRACT:
A fuel injection pump for internal combustion engines having a pump piston reciprocating in a cylinder to inject fuel from a working chamber into the engine cylinders and in which the termination of each injection is determined by an engine r.p.m. device which opens, or partially opens, a relief bore connected between the working chamber and a pump suction chamber. The outlets of the relief bore located on the surface of the pump piston are so formed so as to cooperate with the r.p.m. responsive device to match the injection requirements of the internal combustion engine. Several embodiments of the formed outlets are disclosed.

REFERENCES:
patent: 2746443 (1956-05-01), Meyer
patent: 2813523 (1957-11-01), Bischoff
patent: 3737258 (1973-06-01), Krauja et al.
patent: 3827832 (1974-08-01), Faupel
patent: 3942914 (1976-03-01), Hofer et al.

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