Electric resistance heating devices – Heating devices – Immersion heater details
Patent
1994-12-29
1996-12-17
Jeffery, John A.
Electric resistance heating devices
Heating devices
Immersion heater details
392500, 219523, 219544, H05B 378, H05B 328
Patent
active
055862144
ABSTRACT:
Polymeric heating elements and water heaters containing these elements are provided by this invention which utilize polymeric materials in contact with electric resistance heating materials and in contact with fluid to be heated. These polymeric materials also provide a substantially self-supporting structure for the resistance heating material. The heating elements include an electrically conductive resistance material capable of heating fluid when energized. The winding is insulated and protected by a polymer layer integrally disposed over the resistance material. The elements are lightweight, inexpensive to produce and use, and minimize galvanic corrosion and lime depositing without sacrificing heating capacity.
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Energy Convertors, Inc.
Jeffery John A.
Rheem Manufacturing Co.
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