Variable venturi type carburetor

Details Variable venturi type carburetor Variable venturi type carburetor

1980-07-03

1981-12-15

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

F02M 906

Patent

active

043058930

ABSTRACT:
A variable venturi type carburetor having a suction piston movable in response to the intake air flow rate to maintain a substantially constant flow velocity at a venturi portion defined between itself and the opposing wall of the carburetor body, the suction piston being provided at its bottom with a pair of partition plates having exponential, arcuate or tapered end surfaces, in order to suppress self-excited oscillation of the suction piston. The pair of partition plates being opposed by a bridge formed on the wall of the carburetor body to form therebetween a diverging opening. The distance between the pair of partition plates and the bridge is independently adjustable to make it possible to maintain a desired size of gap to avoid the fluctuation of fuel metering characteristics.

REFERENCES:
patent: 3784173 (1974-01-01), Kawai et al.
patent: 4185054 (1980-01-01), Nakamura et al.

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