Compact protector

Details Compact protector Compact protector

1995-04-05

1997-03-04

Paschall, Mark H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219511, 219512, 219488, 337100, 337102, H05B 102

Patent

active

056076100

ABSTRACT:
A compact protector device having a housing 10 with a fixed electrode 18 and terminal member 12 and a movable electrode 26 and terminal member 14 contained therein. The movable electrode 26 includes a thermostatic bimetal member 26a with a movable contact 28 attached thereto positioned to engage and disengage with a fixed contact 20 attached to the fixed electrode 18 upon action of the bimetal member 26c. A positive temperature coefficient (PTC) element 24 is positioned in direct heat transfer relationship with the bimetal member 26c and electrically connected between the fixed and movable electrodes 18, 26. The protector further includes an insulating member 22 for compressively holding the movable electrode 26 in electrical contact with the PTC element 24 and forming a fulcrum point for action of said bimetal member 26c.

REFERENCES:
patent: 4201735 (1980-05-01), Byam
patent: 4394646 (1983-07-01), Goessler
patent: 4413174 (1983-11-01), Ting
Patent Abstracts of Japan, vol. 016 No. 324 (E-1234), 15 Jul. 1992 & JP-A-04 095324 (Matsushita Electric Ind Co. Ltd.) 27 Mar. 1992.

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