Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1980-09-26
1983-03-01
Bartis, A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
1231425E, 219205, 219208, 219336, 219338, 219523, 219534, 219552, H05B 382, F24H 120, F02N 1704
Patent
active
043755895
ABSTRACT:
A diesel fuel tank has an opening in the top wall through which an electric immersion heater assembly is inserted into the tank to heat the contents thereof. The immersion heater assembly includes an outer tubular member arranged vertically in the tank and having an open upper end sealingly secured in the tank opening and a closed lower end near the bottom of the tank. An inner tubular member of slightly smaller diameter than the outer member and of a length coextensive with a major portion of the length of the outer member is removably inserted into the outer member through the open end thereof. A double filament DC light bulb mounted on the lower end of the inner member serves as an electric heating element located in the lower portion of the outer member. Air heated by the light bulb flows upwardly by convection into the narrow circumferential space between the inner and outer members thereby assuring that the entire length of the outer member in contact with the diesel fuel in the tank is heated. The inner tubular member is filled with silicone resin heat insulation to retard accumulation of heat within the inner member.
REFERENCES:
patent: 411737 (1889-09-01), Smith
patent: 849368 (1907-04-01), Christian
patent: 1158539 (1915-11-01), Newcomb
patent: 1569810 (1926-01-01), Johnson
patent: 1662555 (1928-03-01), Wojciechowski
patent: 1723743 (1929-08-01), Mason
patent: 1770642 (1930-07-01), Gelimo
patent: 2150762 (1939-03-01), Edwards et al.
patent: 3674985 (1972-07-01), Ragault
B & C Enterprises
Bartis A.
Jacobson Harvey B.
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