Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1979-04-10
1981-01-13
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
219545, 219549, 219494, H05B 334
Patent
active
042451493
ABSTRACT:
The invention relates to a heating element for a heated chair which can be used as a covering material for the heated chair or which can be laid under the covering material or which can be draped over an ordinary chair to convert it to a heated chair. In accordance with the invention, the heating element has a glass fibre fabric layer made of intermixed glass fibre strands. An electrical resistance wire which consists of a core of glass fibre strands with a resistive wire wound around it, forms an undulating pattern in the glass fibre fabric layer, and top and bottom layers of thermoplastic material are heat fused or adhesively laminated to the glass fibre fabric layer. A metallic foil layer is applied to the side of the bottom layer which is remote from the glass fibre fabric layer. The heating element also includes a control for controlling the power delivered to the resistance wire. The said control is a simple dual proportional control which regulates the energy usage of the heating element.
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"Volva Brochure Parts Manual", 1975 Cigarette Lighter, pp. 3-24 to 3-26, Electrically Heated Driver's Seat, pp. 3-20.
"General Electric SCR Manual", Fourth Edition, pp. 186 to 189.
Mayewsky Volodymyr Y.
Mitchell Robert E.
Sher Melvin
Swabey Alan
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