Apparatus for reducing hydrocarbon emissions improving efficienc

Details Apparatus for reducing hydrocarbon emissions improving efficienc Apparatus for reducing hydrocarbon emissions improving efficienc

1979-03-30

1981-02-03

Haroian, Harry N.

Internal-combustion engines

Charge forming device

Heating of combustible mixture

F02M 3100

Patent

active

042481970

ABSTRACT:
An apparatus is disclosed for use in a vehicle with a carbureted internal combustion engine having a vacuum inlet port and a fuel inlet port connected to a source of fuel. A heat exchanger is provided having a tank means with an inlet and an outlet, the outlet being connected to the carburetor vacuum inlet and tube means extending through the tank connected intermediate the fuel inlet port and the source of fuel. A source of hot and cold air is connected to the inlet of the heat exchanger and a control means for regulating the amount of hot and cold air entering the inlet of the heat exchanger is also provided in accordance with the temperature of the fuel in the carburetor.

REFERENCES:
patent: 2788779 (1957-04-01), Mengelkamp
patent: 3986486 (1976-10-01), Rabbiosi
patent: 4072138 (1978-02-01), Hawkins et al.

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