Automotive type fuel feed system

Details Automotive type fuel feed system Automotive type fuel feed system

1986-03-24

1986-10-14

Fisher, Richard V.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Maintaining stream pressure or flow

210172, 2104164, 210435, 123514, F02M 4702

Patent

active

046171169

ABSTRACT:
A fuel feed system for an automotive type internal combustion engine has a fuel reservoir from which fuel normally is supplied at a constant volume to the inlet side of a high pressure pump from a low pressure supply pump located in a fuel tank; the reservoir contains valving that automatically redirects fuel, which normally is returned from the high pressure pump directly to the fuel tank, back into the reservoir to maintain the constant supply of fuel to the inlet side of the high pressure pump even though the normal supply line is exposed to air and therefore not supplying fuel to the reservoir, thus preventing fuel starvation of the high pressure pump during the momentary exposure of its fuel supply line to air.

REFERENCES:
patent: 2795269 (1957-06-01), Witte
patent: 3363763 (1968-01-01), Erickson
patent: 3695438 (1972-10-01), Malpassi
patent: 4208995 (1980-06-01), Simko et al.
patent: 4320734 (1982-03-01), Balachandran
patent: 4478197 (1984-10-01), Yasuhara et al.
patent: 4479465 (1984-10-01), Flynn
patent: 4496460 (1985-01-01), Haarstad et al.
patent: 4539965 (1985-09-01), Soltau

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