Electrical heating apparatus with a heating element of PTC mater

Details Electrical heating apparatus with a heating element of PTC mater Electrical heating apparatus with a heating element of PTC mater

1980-08-06

1982-07-27

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

With heating unit structure

219439, 219441, 219505, 219540, 219548, 338 22R, H05B 312, H05B 336

Patent

active

043419496

ABSTRACT:
Electrical heating apparatus, including a frame formed of insulating material having an opening formed therethrough, a heating element formed of positive temperature coefficient material having two opposing outer surfaces and being disposed in the opening formed in the frame, an electrically-conducting current supply contact layer disposed on each of the two opposing outer surfaces of the heating element, an electrically conducting current input electrode plate formed of yieldable material being anchored in the frame and being disposed on each of the contact layers forming an integral structural unit enclosing the heating element, and a heat conducting plate formed of insulating material disposed on each of the electrode plates receiving heat transfered through the contact layers and clamping the heating element under pressure.

REFERENCES:
patent: 3733462 (1973-05-01), Bouchard et al.
patent: 3835434 (1974-09-01), Kahn
patent: 3891827 (1975-06-01), Wyse
patent: 3976854 (1976-08-01), Ishikawa et al.
patent: 4177375 (1979-12-01), Meixner
patent: 4223208 (1980-09-01), Kleinschmidt et al.
patent: 4230935 (1980-10-01), Meixner

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