Automobile air heater utilizing PTC tablets adhesively fixed to

Details Automobile air heater utilizing PTC tablets adhesively fixed to Automobile air heater utilizing PTC tablets adhesively fixed to

1991-06-19

1993-08-24

Bartis, Anthony

Electric heating

Heating devices

Combined with diverse-type art device

165 803, 165185, 219505, 219530, 219540, 338 22R, 392360, 392365, 392379, H05B 102, F24H 304, H01C 702

Patent

active

052391639

ABSTRACT:
An electric heater for air supplied to the passenger compartment of an automobile has a plurality of extruded tubular metal members in side-by-side spaced parallel relationship within an open electrically insulative frame. Each tubular member has a pair of spaced heat sinks with a plurality of spaced lamenallae extending therebetween to form air flow passages. A plurality of PTC heating tablets are positioned in the space between the opposed outer surfaces of the heat sinks of adjacent tubular members, with one face of each PTC tablet fixed to one heat sink by a rigid electrically conductive adhesive and the other face thereof is fixed to the adjacent heat sink by a flexible electrically conductive adhesive. The heat sinks have integral platforms on which the PTC tablets are positioned with the edges of the tablets projecting beyond the edges of the respective platforms. The tubular members of each adjacent pair of tubular members are connected to respective ones of a pair of voltage rails in the frame through a fuse.

REFERENCES:
patent: 3212275 (1965-10-01), Tillman
patent: 3852567 (1974-12-01), Michaud et al.
patent: 4346285 (1982-08-01), Nakamura
patent: 4414052 (1983-11-01), Habata et al.
patent: 4703153 (1987-10-01), Pelonis
patent: 4963716 (1990-10-01), Van Den Elst et al.
patent: 5057672 (1991-10-01), Bohlender et al.

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