Fuel injection pump for internal combustion engines with an adju

Details Fuel injection pump for internal combustion engines with an adju Fuel injection pump for internal combustion engines with an adju

1982-09-08

1985-08-13

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

With fuel pump

123458, F02M 5920

Patent

active

045343322

ABSTRACT:
A fuel injection pump having a device for adjusting the injection timing having a work chamber defined by an adjusting piston and communicating via a throttle bore with a pressure source from which the pressure to adjust the adjusting piston is drawn. In order to modify the pressure in the work chamber, the work chamber can be made to communicate via a pressure limiting valve with the relief side of the pump. The control force of the pressure limiting valve is adjustable by means of a stepping motor. An influence on the pressure controlling the adjusting piston is thereby obtained which is restricted to the work chamber.

REFERENCES:
patent: 3273090 (1983-06-01), Hofer
patent: 4312316 (1982-11-01), Seilly
patent: 4373492 (1983-02-01), Konrath
patent: 4395987 (1983-08-01), Kobayashi

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