Fuel pre-heater

Details Fuel pre-heater Fuel pre-heater

1985-04-23

1987-03-10

Feinberg, Craig R.

Internal-combustion engines

Charge forming device

Heating of combustible mixture

165 51, F02M 3110, F02G 500

Patent

active

046483721

ABSTRACT:
A fuel pre-heater for internal combustion engines is disclosed. The heating of diesel fuel is desirable to improve efficiency of combustion, to reduce smoke emission, and to avoid precipitation of wax from the fuel which may plug filters. The pre-heater of the invention comprises an elongated housing divided into an inlet compartment, central heat exchange compartment, and outlet compartment. Heated coolant from an engine cooling system passes through thermoconductive tubes such as copper tubes in the central compartment to heat fluid fuel passing through the said central compartment. A normally-open thermostatically controlled value mounted in the outlet compartment and arranged in axial alignment with a coolant outlet closes when the coolant temperature reaches a predetermined level to maintain the fuel at a desired maximum temperature.

REFERENCES:
patent: 916003 (1909-03-01), Osborn
patent: 1240372 (1917-09-01), Rodgers
patent: 1248954 (1917-12-01), Trotter
patent: 1273363 (1918-07-01), Hale
patent: 2070189 (1937-02-01), Webster
patent: 3378063 (1968-04-01), Mefferd
patent: 3913543 (1975-10-01), Richard
patent: 4044742 (1977-08-01), Linder
patent: 4403590 (1983-09-01), Davis

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