Method and apparatus for heating seats electrically

Details Method and apparatus for heating seats electrically Method and apparatus for heating seats electrically

1986-02-04

1987-09-29

Goldberg, E. A.

Electric heating

Heating devices

Combined with diverse-type art device

219202, 219549, 219528, H05B 336

Patent

active

046970649

ABSTRACT:
A process and apparatus for electrically heating vehicle seats by using at least one meandering, insulated heat conductor covered on both sides by thermoplastic foil is disclosed. The heat conductor is spread over a bearing thermoplastic foil and covered with an identical foil. A firmly integrated heating element is then formed by applying heat and pressure. The heat conductors are located in meandering channels which are laid out according to a predetermined plan without any bending to the foils. The heating elements manufactured in this manner are combined with the cushion cores of the seat to be heated. In a preferred embodiment, the thermal deformation stability of the heat conductor insulation exceeds that of the foils by approximately 50%. In another preferred embodiment, the meandering channels are spaced a minimal distance apart from each other so as to make it possible to obtain a heating conductor of great length at rest and which can support stretching to at least twice its length and width at all stress points without sustaining any damage.

REFERENCES:
patent: 2929909 (1960-03-01), Gibbs
patent: 3017493 (1962-01-01), Cooke
patent: 3288912 (1966-11-01), Hussey
patent: 3729613 (1973-04-01), Deloire
patent: 4044221 (1977-08-01), Kuhn
patent: 4069410 (1978-01-01), Keep
patent: 4220848 (1980-09-01), McMullan
patent: 4335725 (1982-06-01), Geldmacher

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