Pump for supplying pressurized fuel to fuel injector of internal

Details Pump for supplying pressurized fuel to fuel injector of internal Pump for supplying pressurized fuel to fuel injector of internal

1985-01-07

1987-03-17

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

With fuel pump

123495, F02M 3900

Patent

active

046498877

ABSTRACT:
A pump including a plunger slidably disposed in a pump body, a transmitting member connected to the plunger, a coil spring which urges the plunger, and a cam urging the plunger against the coil spring. The plunger defines a pump chamber in the pump body. The coil spring urges the plunger in a direction such that the plunger contracts the pump chamber. The cam rotates in synchronization with the rotation of the engine and engages with the transmitting member for part of the cycle of the rotation of the engine so that the plunger increases the volume of the pump chamber. The cam releases the plunger in the remaining cycle of the rotation of the engine to allow the coil spring to urge the plunger so that the plunger displaces in a direction to reduce the volume of the pump chamber.

REFERENCES:
patent: 1677202 (1928-07-01), Olsen

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