Carburetor percolation prevention system

Gas and liquid contact apparatus – Fluid distribution – Pumping

Patent

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Details

261 72R, 261DIG51, 261DIG81, F02M 510

Patent

active

045979154

ABSTRACT:
The invention discloses a carburetor percolation prevention system which utilizes an electrically controlled fuel drain valve disposed in a fuel drain passage between the carburetor float chamber and the fuel tank. The electrical fuel drain valve is opened only when the engine condition sensor and the temperature sensor indicate that both the ignition switch is de-energized and the temperature near the float chamber exceeds a predetermined level.

REFERENCES:
patent: 2986133 (1961-05-01), Mattson
patent: 3486524 (1969-12-01), Brooks
patent: 4448734 (1984-05-01), Shibano

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