Cavitation-producing carburation apparatus and method

Details Cavitation-producing carburation apparatus and method Cavitation-producing carburation apparatus and method

1984-03-12

1986-01-07

Lazarus, Ronald H.

Internal-combustion engines

Charge forming device

Heating of combustible mixture

123514, 123516, 123522, F02M 3100

Patent

active

045628203

ABSTRACT:
An apparatus for vaporizing liquid gasoline for use in a carburation system includes a centrifugal pump which pumps liquid gasoline from a tank through a check valve into an inlet of the pump. The rotor of the centrifugal pump is operated at a sufficiently high rate to cause a substantial amount of cavitation of liquid gasoline within the centrifugal pump. The liquid gasoline is preheated by exhaust heat from the engine before it enters the inlet from the centrifugal pump, and vaporizes rapidly in the cavitation region. The vaporized gasoline and some liquid gasoline are fed back into the tank, wherein the liquid portion recombines with gasoline already in the tank and the gasoline vapor accumulates above the liquid gasoline in the tank. Gasoline vapors are conducted from within the tank through a check valve into a carburation apparatus which mixes the gasoline vapors with a controlled amount of air and feeds it into the intake manifold of the engine.

REFERENCES:
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patent: 4187813 (1980-02-01), Stumpp
patent: 4349002 (1982-09-01), Allen
patent: 4370970 (1983-02-01), Kunz
patent: 4397286 (1983-08-01), Jackson
patent: 4432329 (1984-02-01), Redele
patent: 4440138 (1984-04-01), Smith
patent: 4454851 (1984-06-01), Bourbonnaud

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