Method and system for preheating fuel

Details Method and system for preheating fuel Method and system for preheating fuel

1982-09-20

1984-10-09

Lazarus, Ronald H.

Internal-combustion engines

Charge forming device

Heating of combustible mixture

123552, 123549, F02M 3100

Patent

active

044755236

ABSTRACT:
A method and system for preheating internal combustion engine fuel to an optimum temperature before introducing the fuel into the carburetion system. It has been found that an engine fuel such as gasoline will have an optimum temperature at the point of carburetion for maximum combustion efficiency. A heat exchanger extracts heat from hot engine coolant to add heat to the fuel. A thermostatic switch and solenoid valve controls coolant flow to maintain the optimum temperature. Thermal insulation is provided around the fuel supply system and the heat exchanger to prevent engine heat from causing the fuel temperature to exceed the optimum temperature.

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patent: 4249501 (1981-02-01), Ehresmann
patent: 4312317 (1982-01-01), Jewell
patent: 4323044 (1982-04-01), Erwin

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