Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
Patent
1989-11-28
1991-01-01
Evans, Geoffrey S.
Electric resistance heating devices
Heating devices
Continuous flow type fluid heater
427122, 427227, 427296, 427444, 428376, 428398, 392492, H05B 314
Patent
active
049820680
ABSTRACT:
A heating element comprises a body provided by fibrous tubes of an electrically conductive material, a voidage between the tubes providing a path for a fluid to be heated. The material may be silicon, silicon carbide, or silicon rich-silicon nitride. The heating element is manufactured by coating a fibrous carbon precursor with the material, and heating the coated precursor in an oxidizing environment so as to remove the carbon precursor by oxidation. The heating element has one application for a heat transfer system for controlling the temperature of a hot working device. The system comprises a fluid circuit including the hot working device, the heating element through which the fluid is driven by a pump, and a temperature controller for sensing the temperature of the device and controlling the temperature of the heating element as a function of the device temperature.
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"Codeposition of Glassy Silica and Germania Inside a Tube by Plasma Activated CUD", by Kuppers et al., pp. 1079-1083, 07/1976.
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Hewinson Vincent K.
North John M.
Pollock James F.
Preston Roy F.
Evans Geoffrey S.
Hinds William R.
United Kingdom Atomic Energy Authority
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