Gas and liquid contact apparatus – Fluid distribution – Valved
Patent
1976-10-08
1978-10-03
Miles, Tim R.
Gas and liquid contact apparatus
Fluid distribution
Valved
261 44D, 261 50A, 261DIG56, 261DIG63, F02M 914
Patent
active
041184440
ABSTRACT:
A carburetion system for supplying a fuel-air mixture to an internal combustion engine in a manner maintaining a desired ratio of fuel-to-air under varying conditions of operation to improve fuel economy and minimize the emission of pollutants. The system includes a carburetor having a tubular variable-Venturi structure whose effective cross-sectional areas are circular or annular, the converging inlet to the throat of the Venturi and the diverging outlet thereof having a configuration free of discontinuities regardless of the effective throat area. The Venturi areas and throat are varied by a control motor as a function of air flow that changes with engine demand. The fuel fed into the carburetor at the varying throat is metered by a valve whose effective orifice is varied by the motor concurrently with the change in Venturi throat area to maintain the desired ratio.
REFERENCES:
patent: 1133904 (1915-03-01), Wyman
patent: 1212986 (1917-01-01), Moore
patent: 1243250 (1917-10-01), Brinkman
patent: 1813866 (1931-07-01), Royce
patent: 1972686 (1934-09-01), Lorenzen
patent: 1979918 (1934-11-01), Wahlmark
patent: 3439903 (1969-04-01), Tolnai
patent: 3659572 (1972-05-01), Pelizzoni
patent: 3981284 (1976-09-01), Gospodar
patent: 4034028 (1977-07-01), Ma
Ebert Michael
Miles Tim R.
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