Variable venturi type carburetor
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United States of America Patent
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-
Jan 1, 1985
Issued Date -
N/A
app pub date -
Jun 8, 1984
filing date -
Feb 5, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A variable venturi-type carburetor comprising a suction piston which has a tip face defining a venturi portion. The tip face has a flat upstream end portion. A raised wall is formed on the inner wall of an intake passage, which faces the tip face of the suction piston. The raised wall has a tip edge having an approximately V-shaped cross-section. The flat upstream end portion of the tip face of the suction piston cooperates with the tip edge of the raised wall for defining an approximately isosceles triangular-shaped air inlet control opening therebetween when the amount of air fed into the cylinder of an engine is small.
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