Electrical heating device, particularly for an automobile...

Details Electrical heating device, particularly for an automobile... Electrical heating device, particularly for an automobile...

2004-06-01

2009-12-01

Campbell, Thor S (Department: 3742)

Electric resistance heating devices

Heating devices

Convection space heater

C219S202000, C219S504000

Reexamination Certificate

active

07627234

ABSTRACT:
The invention relates to a heating device comprising a housing (15), through which air to be heated can pass and which delimits a heating space controlled by a power supply control circuit connected to a power source. The heating space includes electric heating modules (14), each heating module consisting of a first and second metal tape (10, 10) that are essentially parallel in a transversal direction (D) and of a positive temperature coefficient resistive elements (12) fixed between the two metal tapes.

REFERENCES:
patent: 5057672 (1991-10-01), Bohlender et al.
patent: 6392207 (2002-05-01), Beetz et al.
patent: 6810203 (2004-10-01), Alban et al.
patent: 2794605 (2000-12-01), None

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