Thermally insulated fuel system for motor-vehicle engine

Details Thermally insulated fuel system for motor-vehicle engine Thermally insulated fuel system for motor-vehicle engine

1994-12-16

1996-12-17

Miller, Carl S.

Internal-combustion engines

Charge forming device

Cooling of combustible mixture

123514, F02M 1500

Patent

active

055842798

ABSTRACT:
A motor-vehicle engine system has an internal-combustion four-cycle engine having a fuel-supply manifold, a substantially closed but vented fuel tank holding a supply of gasoline, a fuel pump having an input connected to the tank and an output, and a fuel-feed line connected between the fuel-pump output and the fuel-supply manifold. A controller connected to the engine and to the pump operates the fuel pump at a throughput rate directly related to an engine speed. Insulation at least surrounds and thermally insulates the fuel tank, fuel-feed line, and fuel-supply manifold from their surroundings. A return line connected to the fuel tank is provided with an overpressure valve that is controlled to open briefly only on startup of the engine.

REFERENCES:
patent: 2994311 (1961-08-01), Shuck
patent: 3477238 (1969-11-01), Race
patent: 3974809 (1976-08-01), Stumpp
patent: 4248194 (1981-02-01), Drutchas
patent: 4260333 (1981-04-01), Schillinger
patent: 4370967 (1983-02-01), Gmelin
patent: 4782808 (1988-11-01), Bostick
patent: 4926829 (1990-05-01), Tuckey

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