Variable venturi carburetor

Details Variable venturi carburetor Variable venturi carburetor

1982-12-30

1984-06-12

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

261DIG56, F02M 906

Patent

active

044540760

ABSTRACT:
Disclosed herein is a variable venturi carburetor including at least one pressure controlling port provided at the lower peripheral portion of the suction piston and adapted to face to a mixing chamber defined directly downstream of the venturi portion. The pressure controlling port is located at such a position as to communicate with the suction chamber and an atmospheric pressure chamber during middle and high intake air flowing stages as the suction piston reciprocates transversely with respect to the venturi portion, and to communicate with the suction chamber and the mixing chamber during low intake air flowing stage.

REFERENCES:
patent: 3424441 (1969-01-01), Caisley et al.
patent: 3528787 (1970-09-01), Hallberg
patent: 4302404 (1981-11-01), Nakamura et al.

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