Variable-venturi carburetor

Details Variable-venturi carburetor Variable-venturi carburetor

1984-09-13

1985-05-28

Miles, Tim

Gas and liquid contact apparatus

Fluid distribution

Valved

261DIG39, F02M 906

Patent

active

045199574

ABSTRACT:
The main fuel nozzle is located a predetermined distance inside from the end of a bridge formed in the upstream portion of the barrel of the carburetor, and the piston head of the suction piston is designed to be overlapped by the bridge during the idle condition. A notch is also formed on the downstream side of the main nozzle to shift the fuel running along the metering needle during idling to the main nozzle by a diffusing air flow, and a fuel guide is provided extending from the notch to the barrel wall to guide the fuel, supplied from the main nozzle during idling, along the fuel guide surface to the barrel wall.

REFERENCES:
patent: 2229819 (1941-01-01), Reid
patent: 3424441 (1969-01-01), Caisley et al.
patent: 4132752 (1979-01-01), Petermann
patent: 4221747 (1980-09-01), Edmonston
patent: 4264537 (1981-04-01), Watanabe et al.
patent: 4302405 (1981-11-01), Inoue et al.
patent: 4305893 (1981-12-01), Morino
patent: 4371478 (1983-02-01), Wada
patent: 4377538 (1983-03-01), Wada

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