Fuel injection pump with multi-state load/speed control system

Details Fuel injection pump with multi-state load/speed control system Fuel injection pump with multi-state load/speed control system

1987-11-04

1988-12-27

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123179L, 123458, 417462, F02M 3900

Patent

active

047933119

ABSTRACT:
A fuel injection pump having an inlet metering valve with separate primary and boost ports for metering an intake charge of fuel to a charge pump, limit means for separately establishing a maximum charge limit of the charge pump and a lesser metered charge limit through the primary valve port, a multiple position hydraulic actuator for selectively setting an all-speed governor at each of a plurality of speed settings and a solenoid control for selectively positioning the hydraulic actuator and activating the boost port to switch the charge limit to said maximum limit at certain speed settings.

REFERENCES:
patent: 3219020 (1965-11-01), Roosa
patent: 4083345 (1978-04-01), Davis
patent: 4142499 (1979-03-01), Salgeder
patent: 4201170 (1980-05-01), Overfield
patent: 4333437 (1982-06-01), Lottner
patent: 4397615 (1983-08-01), Mowdray
patent: 4457277 (1984-07-01), Adey
patent: 4539956 (1985-09-01), Mengel
patent: 4552117 (1985-11-01), Djordjevic
patent: 4574759 (1986-03-01), Ledlaing

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