Variable stage type carburetor

Details Variable stage type carburetor Variable stage type carburetor

1978-06-06

1979-06-26

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

261 52, F02M 908

Patent

active

041592905

ABSTRACT:
A variable stage type carburetor having an intake passage, a throttle valve disposed in the intake passage, and a movable vane disposed at the upstream side of the throttle valve, the movable vane being adapted to cooperate with the wall of the intake passage in constituting a variable venturi and operatively connected to the throttle valve, so as to be moved in response to the movement of the throttle valve. The carburetor further has a first vane controller adapted for displacing the movable vane in the closing direction, independently of the throttle valve, when the venturi vacuum is lowered, and a second vane controller adapted to displace the movable vane in the closing direction, also independently of the throttle valve, when the force exerted by the intake air flow on the movable vane drops below a predetermined level.

REFERENCES:
patent: 3151189 (1964-09-01), McSeveny
patent: 3291462 (1966-12-01), Mennesson
patent: 3322408 (1967-05-01), Stoltman
patent: 3937768 (1976-02-01), Bier et al.
patent: 4005161 (1977-01-01), Shimo et al.
patent: 4105720 (1978-08-01), Hohsho et al.
patent: 4119684 (1978-10-01), Karino

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