Thermally responsive protection apparatus

Details Thermally responsive protection apparatus Thermally responsive protection apparatus

H - Electricity

02

K

H02K 11/00 (2006.01) H01H 37/76 (2006.01) H02H 7/08 (2006.01) H02K 5/14 (2006.01)

Patent

CA 2324938

A thermal protection mechanism for electric motors includes a pair of spaced contacts secured to an electrically insulated carrier. The contacts are engaged with a fusible electrically conductive pin made of solder that interposes along a current path to the windings of a motor. A thermal overload conditions causes the pin to fuse, thereby terminating operation of the motor.

La présente invention concerne un mécanisme d'appareil de protection pour moteur électrique comprenant une paire de contacts espacés fixés à un support électriquement isolé. Les contacts sont en prise avec une broche conductrice fusible réalisée en soudure qui s'interpose le long d'un trajet suivi par le courant vers les enroulements d'un moteur. Un état de surcharge thermique provoque la fusion de la broche mettant ainsi fin au fonctionnement du moteur.

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