Fuel injection pump for an internal combustion engine comprising

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

1982-04-13

1987-11-10

Myhre, Charles J.

Internal-combustion engines

Charge forming device

With fuel pump

123458, 123501, 417307, 417304, F02M 3900

Patent

active

047050063

ABSTRACT:
Internal combustion engine fuel injection pump of the type comprising an injection piston having a head with a helical ramp and provided with a device for adjusting in time the beginning of the fuel injection delivery. The adjusting device comprises a valve for closing and opening a bypass passage adapted to connect the said admission chamber to a space communicating with the chamber filling fuel source, and a system for the control of the valve including a control device for closing the valve depending on the angular position of a rotary member of the engine, such as a crankshaft, and for opening the valve in response to a partial vacuum created in the admission chamber by the suction stroke of the injection piston.

REFERENCES:
patent: 4343280 (1982-08-01), Luscomb
patent: 4364351 (1982-12-01), Romblom
patent: 4385614 (1983-05-01), Eheim

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