Supplementary automobile duct heater

Details Supplementary automobile duct heater Supplementary automobile duct heater

1991-09-30

1993-04-27

Bartis, Anthony

Electric heating

Heating devices

Combined with diverse-type art device

219505, 392347, 392360, 392365, 392385, 392480, 392485, 392502, B60H 102, H05B 314, F24H 304

Patent

active

052064760

ABSTRACT:
A supplementary passenger compartment heating assembly for use in conjunction with an automobile HVAC system having a forced air duct opening to the compartment includes a generally rectangular cross section air distribution duct molded integrally with the forced air duct from a heat conductive PTC polymer material. The air distribution duct has a pair of sides separated by a plurality of ribs extending therebetween so as to provide increased heat transfer area to the air forced therethrough.

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patent: 4562957 (1986-01-01), Nakagawa et al.
patent: 4633069 (1986-12-01), Berg et al.
patent: 4963716 (1990-10-01), Van Den Elst et al.

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