Variable venturi type carburetor

Details Variable venturi type carburetor Variable venturi type carburetor

1979-06-22

1981-04-28

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

261DIG74, 261 53, 123439, F02M 902

Patent

active

042645379

ABSTRACT:
A variable venturi type carburetor of an internal combustion engine which includes a housing, a bore extending through the housing and having an inner wall defining an intake passage, a suction piston movably mounted in the housing and having a head portion projecting into the intake passage and a fuel injection valve arranged at the position opposite to the head portion of the suction piston with regard to the intake passage. The suction piston moves so as to change the cross-sectional area of the venturi portion defined between the head portion of the suction piston and an inner wall of the intake passage. The head portion of the suction piston is provided with a recess which extends along a line crossing with the central axis of the suction piston and is arranged in parallel to the direction of air flowing in the intake passage.

REFERENCES:
patent: 1421627 (1922-07-01), Waterhouse
patent: 3931814 (1976-01-01), Rivere
patent: 4130095 (1978-12-01), Bowler et al.
patent: 4132203 (1979-01-01), Elpern et al.
patent: 4185054 (1980-01-01), Nakamura et al.

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