Spill control system for distributor pump

Details Spill control system for distributor pump Spill control system for distributor pump

1984-10-05

1985-11-05

Moy, Magdalen Y. C.

Internal-combustion engines

Charge forming device

Fuel injection system

123506, 417462, F02M 3900

Patent

active

045507023

ABSTRACT:
A spill control system for a distributor pump employs an axially positionable valve member to control the passage of diverted fuel through a spill passage. The valve member is axially displaced by an actuator pin mounted to the cam ring which actuates the pump plungers. A cam surface which rotates with the pump rotor engages the actuator pin. The valve member is also angularly positionable for controlling the passage of diverted fuel. The diverted fuel is spilled to the housing interior or in one embodiment may be recouped and redirected to the fuel inlet passage in the rotor. A check valve is employed to prevent the passage of diverted fuel until the injection pressure of the diverted fuel exceeds a pressure in excess of the maximum transfer pressure of the pump.

REFERENCES:
patent: 4362141 (1982-12-01), Mowbray
patent: 4376432 (1983-03-01), Davis
patent: 4397615 (1983-08-01), Mowbray
patent: 4457277 (1984-07-01), Adey

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