Fuel pumping apparatus

Details Fuel pumping apparatus Fuel pumping apparatus

1980-12-05

1982-08-24

Myhre, Charles J.

Internal-combustion engines

Charge forming device

With fuel pump

123179L, F02D 106

Patent

active

043455662

ABSTRACT:
A fuel pumping apparatus for supplying fuel to a compression ignition engine includes an injection pump having a cam ring which can be moved by a piston to vary the timing of delivery of fuel. The piston is biased by compression springs the extension of which is determined by a rod having a transverse pin engageable with cam surfaces defined on an annular member. An operating shaft can be moved angularly to move the pin angularly from a first to a second position so that it contacts a different portion of the cam surface, when it is required to start the engine. During this movement a spring is stressed and this when the engine starts, moves the pin to a third position for cold idling of the engine. When the engine is warm the shaft is moved to return the pin to the first position.

REFERENCES:
patent: 3973540 (1976-08-01), List
patent: 4224916 (1980-09-01), Davis
patent: 4282844 (1981-08-01), Skinner

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