PTC heating element

Details PTC heating element PTC heating element

2011-03-22

2011-03-22

Fuqua, Shawntina (Department: 3742)

Electric heating

Heating devices

With heating unit structure

C219S201000, C219S202000, C219S540000, C219S541000, C219S530000, C219S552000, C392S496000, C392S485000, C165S299000, C165S300000, C165S041000, C165S172000, C165S174000, C165S176000, C165S151000, C165S148000, C165S143000

Reexamination Certificate

active

07910864

ABSTRACT:
The present invention relates to a PTC heating element with at least one PTC resistance element which is arranged between two electrically conductive plates in a housing opening of a housing and, with at least one of the electrically conductive plates as an intermediate layer, which is pressed with an initial tension against a heat-emitting element which is held at the housing. With the present invention, a PTC heating element of the type mentioned at the beginning that can be manufactured easily and economically is to be specified. To solve this problem, the present invention further develops the PTC heating element mentioned at the beginning in such a way that attachment tabs arranged on the edge of the housing opening protrude beyond the housing opening and in such a way that the heat-emitting element has tab cuts, behind which the tabs engage.

REFERENCES:
patent: 3720807 (1973-03-01), Ting
patent: 0350528 (1990-01-01), None

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