Gas and liquid contact apparatus – Fluid distribution – Valved
Patent
1975-08-21
1976-05-11
Miles, Tim R.
Gas and liquid contact apparatus
Fluid distribution
Valved
261 44R, 261 50A, 261 64R, F02M 110
Patent
active
039564347
ABSTRACT:
A variable area venturi carburetor has a wall movable by a servo controlled by venturi-like control vacuum to vary the area and thereby change airflow capacity and fuel flow; a tapered fuel metering rod is attached to the wall and cooperates with a stationary fuel jet; during cold engine operation, a temperature responsive device progressively blocks the flow of the control vacuum as the temperature decreases, to permit higher ported manifold vacuum also acting on the servo to open the venturi wider to change the fuel metering signal while withdrawing the fuel metering rod, to provide a change in richness. Return to normal temperature causes the control vacuum to bleed the ported manifold vacuum to the control vacuum level.
REFERENCES:
patent: 3069146 (1962-12-01), MacNeill
patent: 3243167 (1966-03-01), Winkler
patent: 3272488 (1966-09-01), Bickhaus
patent: 3307837 (1967-03-01), Winkler
patent: 3333832 (1967-08-01), O'Neill
patent: 3342464 (1967-09-01), Mick
patent: 3642256 (1972-02-01), Phelps
patent: 3831909 (1974-08-01), Freismuth
patent: 3831910 (1974-08-01), Shadbolt
Dickensheets William E.
Harrison Robert S.
Lunsford Max W.
Medrick John D.
Nowroski Alvin P.
Cuchlinski, Jr. William
Ford Motor Company
McCollum Robert E.
Miles Tim R.
Zerschling Keith L.
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