Heating element comprising a PTC-resistor body

Electric heating – Heating devices – With heating unit structure

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Details

174 52PE, 219540, 338 22R, 339117R, H05B 344

Patent

active

042108004

ABSTRACT:
Self-regulating heating element comprising one or more PTC-resistor bodies enclosed in a synthetic resin filler material mixture. The potting compound is provided with channels. This prevents explosion.

REFERENCES:
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patent: 3251015 (1966-05-01), Denham
patent: 3390226 (1968-06-01), Beyerlein
patent: 3665155 (1972-05-01), Carolco
patent: 3678432 (1972-07-01), Boliver
patent: 3719796 (1973-03-01), Abiedtrup
patent: 3783345 (1974-01-01), Taylor et al.
patent: 3824328 (1974-07-01), Ting et al.
patent: 3909683 (1975-09-01), Kysely
patent: 4072848 (1978-02-01), Johnson et al.

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