Variable venturi-type carburetor

Details Variable venturi-type carburetor Variable venturi-type carburetor

1982-09-29

1984-08-07

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

261DIG56, F02M 906

Patent

active

044643110

ABSTRACT:
A variable venturi-type carburetor comprising a suction piston which has a tip face defining a venturi portion. The tip face has a needle-mounting face at the center thereof, and a metering needle is fixed onto the needle-mounting face. The tip face also has a projecting tip face portion located upstream of the needle and projecting from the needle-mounting face towards the venturi portion. A groove, extending along the axis of the intake passage of the carburetor, is formed on the projecting tip face portion. The projecting tip face portion has a V-shaped cross-section which expands from the groove towards the venturi portion.

REFERENCES:
patent: 2062496 (1936-12-01), Brokel
patent: 4185054 (1980-01-01), Nakamura et al.
patent: 4264537 (1981-04-01), Watanabe et al.
patent: 4272460 (1981-06-01), Watanabe et al.
patent: 4302404 (1981-11-01), Nakamura et al.
patent: 4302405 (1981-11-01), Inoue et al.
patent: 4305893 (1981-12-01), Morino
patent: 4371478 (1983-02-01), Wada

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