Method and apparatus for electrically heating diesel fuel utiliz

Details Method and apparatus for electrically heating diesel fuel utiliz Method and apparatus for electrically heating diesel fuel utiliz

1986-05-19

1989-08-29

Bartis, Anthony

Electric heating

Heating devices

Combined with diverse-type art device

123549, 123557, 210186, 219306, 219505, 219541, 219548, 252511, 338 22R, 338212, 338214, 338328, F02M 3112, F24H 110, H05B 300, H01C 114

Patent

active

048619663

ABSTRACT:
Diesel fuel is heated prior to filtration by passing it in thermal contact with a laminar heater immersed in the fuel. The heater has a resistance at room temperature of 0.30 to 0.75 ohm and comprises a PTC conductive polymer resistive heating element sandwiched between equispaced imperforate metal foil electrodes, particularly electrodeposited foil electrodes, coextensive with resistive heating element. The conductive polymer has a resistivity at room temperature of 20 to 2000 ohm - cm. The resistive element has a cross-sectional area in a plane parallel to the electrodes of 3 to 10 square inches and the electrodes have a microrough surface in direct physical contact with the conductive polymer.

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