Fuel injection pump for internal combustion engines

Details Fuel injection pump for internal combustion engines Fuel injection pump for internal combustion engines

1982-08-23

1984-11-20

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123387, 123503, 417294, F02D 104, F02M 5924

Patent

active

044832974

ABSTRACT:
A fuel injection pump is proposed, which has a centrifugal governor disposed in the suction chamber of the fuel injection pump, the governor having a sleeve displaceable on a piston, and a pressure chamber enclosed in the interior of the governor sleeve, the latter being defined by the end face of the piston. By means of a relief line of the pressure chamber which is opened in the offset position of the governor sleeve, the restoring force on the centrifugal governor is increased during starting by the amount of the pressure difference appearing at the governor sleeve. Beyond a predetermined adjustment of the governor sleeve, the relief line is blocked, so that the governor can function unhindered within the normal operational range. The hysteresis thus resulting upon the shut-off of the increased starting quantity improves the behavior of the engine as it runs up to operational speed.

REFERENCES:
patent: 3946713 (1976-03-01), Laufer
patent: 4168690 (1979-09-01), Hofer
patent: 4342301 (1982-08-01), Tomita
patent: 4397280 (1983-08-01), Yasuhara
patent: 4418667 (1983-12-01), Djordjeuic

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