Ptc heater radiator with frame members applying pressure to heat

Details Ptc heater radiator with frame members applying pressure to heat Ptc heater radiator with frame members applying pressure to heat

1994-12-05

1996-10-08

Jeffery, John A.

Electric heating

Heating devices

With heating unit structure

219505, 392379, 392360, F24H 304, F24H 918

Patent

active

055628443

ABSTRACT:
In an electric radiator having a frame in which an arranged heat output elements, which include PTC resistors, and heating elements including fins, which abut on these heat output elements. The heating elements are supported by two oppositely disposed frame bars in such a way that they apply pressure to the heat output elements, said frame bars including rails having a U-shaped cross-section with flat legs extending from a central leg which is provided with longitudinally extending bulging portions separated from the central leg to impart spring properties to said bulging portions which is applied to the heating elements.

REFERENCES:
patent: 5057672 (1991-10-01), Bohlender et al.
patent: 5187349 (1993-02-01), Curhan et al.
patent: 5239163 (1993-08-01), Brouwers
patent: 5256857 (1993-10-01), Curhan et al.
patent: 5471034 (1995-11-01), Kawate et al.

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