Fuel inlet assembly for a carburetor

Details Fuel inlet assembly for a carburetor Fuel inlet assembly for a carburetor

1987-02-18

1987-10-27

Wolfe, Jr., Willis R.

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

261 361, F02M 512

Patent

active

047022159

ABSTRACT:
A carburetor for a motor vehicle includes a float chamber, a float assembly, a fuel inlet fitting for directing fuel flow along a fuel path, a needle valve for cooperating with the float assembly, and a needle valve seat within the fitting for containing the needle valve. To solve an intermittent problem with the needle valve sticking in its seat, whereby the vehicle engine cannot be started, a check valve member is disposed within the fuel path upstream from the needle valve. The valve member is of the duckbill type, and is disposed with the closed, duckbill end directed toward the needle valve. Connection of a fuel line fitting to the fuel inlet fitting clamps the valve member in place.

REFERENCES:
patent: 3674043 (1972-07-01), Norton
patent: 4044746 (1977-08-01), Kaye
patent: 4173958 (1979-11-01), Kato et al.
patent: 4195608 (1980-04-01), Sanada et al.
"GM Cutout? Here's Help from NAPA Echlin . . . ", NAPA News, 1981 Winter Edition.

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