Fuel injection pump

Details Fuel injection pump Fuel injection pump

1987-08-18

1989-01-17

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

With fuel pump

123179L, 123450, 417462, F02M 3900

Patent

active

047981890

ABSTRACT:
A fuel injection pump includes a piston movable by fluid pressure to vary the setting of a cam ring of the apparatus in order to alter the timing of fuel delivery. A piston member is provided for the purpose of setting the piston in a particular position when the associated engine is cold and acceleration is required. The piston member is angularly movable and port means is provided in the piston member and its cylinder so that in one angular position the opposite ends of the piston member are subject to the same fluid pressure and in other angular positions one end of the cylinder contains fluid at a higher pressure to cause the piston member to move from the one end of the cylinder to set the piston in the desired position.

REFERENCES:
patent: 3897764 (1975-08-01), Bakti
patent: 4329961 (1982-05-01), Johnston
patent: 4345566 (1982-08-01), Hammock
patent: 4501252 (1985-02-01), Stumpp
patent: 4526154 (1985-07-01), Di Demenico
patent: 4535745 (1985-08-01), Rocanierga
patent: 4557240 (1985-10-01), Sakoranaka

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