H - Electricity – 05 – B
Patent
H - Electricity
05
B
356/107, 309/76,
H05B 3/22 (2006.01) H05B 3/06 (2006.01) H05B 3/14 (2006.01)
Patent
CA 1160669
SELF REGULATING PTCR HEATER Abstract of the Disclosure A self regulating ceramic PTCR heater has a pair of spaced interdigitated electrodes on one major surface. Heat transfer means is provided for extract- ing heat from the opposite major surface of the PTCR. Best heating efficiency is obtained when the thickness of the PTCR is about the same or less than the average spacing between the electrodes.
381794
Crews James E.
Rodriguez George H.
Baker Harold C.
Sprague Electric Company
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