Fuel heating system utilizing a liquid level responsive thermist

Details Fuel heating system utilizing a liquid level responsive thermist Fuel heating system utilizing a liquid level responsive thermist

1990-12-17

1992-04-14

Reynolds, Bruce A.

Electric heating

Heating devices

Combined with diverse-type art device

123549, 123557, 392451, H05R 102, F24H 110

Patent

active

051050633

ABSTRACT:
A heater systen for a diesel fuel tank to minimize jelling of the fuel during operation at low wintertime temperatures includes an immersion heater that is selectively controlled by two temperature sensors (thermistors) positioned at different levels in the fuel tank. A liquid level responsive means operates a selector switch to alternately connect the two sensors to the heater as a response to changes in liquid level.

REFERENCES:
patent: 2256919 (1941-09-01), Ackerman
patent: 4424422 (1984-01-01), Bell et al.
patent: 4684786 (1987-08-01), Mann et al.
patent: 4723065 (1988-02-01), Meyer
patent: 4865005 (1989-09-01), Griffith

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