Fuel system with metering pump for internal combustion engines

Details Fuel system with metering pump for internal combustion engines Fuel system with metering pump for internal combustion engines

1977-04-01

1978-09-12

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

261 36A, 261 66, 261 27, 123139AW, F02M 3900

Patent

active

041129016

ABSTRACT:
A fuel supply system supplies volatile fuel at a controlled rate to an air-fuel mixing chamber leading to a subatmospheric intake manifold of an internal combustion engine. Fuel is metered out by a metering gear pump supplied with fuel under pressure sufficient to maintain the fuel in its liquid state. An equalizer valve maintains the pressures on the two sides of the gear pump equal. This assures linearity of fuel rate as a function of pump speed. Pump speed is measured to provide a feedback signal to a controller. The controller compares the feedback with a control signal indicative of desired rate of fuel to develop driving power for application to the gear pump to drive the latter at the speed that supplies fuel at the desired rate.

REFERENCES:
patent: 3587547 (1971-06-01), Hussey
patent: 3669081 (1972-06-01), Monpedit
patent: 3724436 (1973-04-01), Nagata et al.
patent: 3817225 (1974-06-01), Priegel
patent: 3913547 (1975-10-01), Wentworth et al.
patent: 4046113 (1977-09-01), Moore

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