Circuit breaking switch with fusible element that responds to cu

Details Circuit breaking switch with fusible element that responds to cu Circuit breaking switch with fusible element that responds to cu

1994-08-26

1996-07-09

Picard, Leo P.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With fusible, combustible or explosive material

337408, 200 6108, H01H 3776, H01H 8500

Patent

active

055348424

ABSTRACT:
This invention provides a switch adapted to close upon pressing by an actuator of a movable piece initially in an open switch position, the actuator being made of a material which melts at a predetermined temperature. The switch opens when melting of the actuator by the heat generated from an overcurrent allows the movable piece to return to its initial position. The movable piece is made of a material which fuses at a predetermined temperature, such that the switch opens upon fusion of the movable piece by the heat generated from the flow of an overcurrent through the movable piece.

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Sakakino Takahiro et al., "SWITCH GEAR", Patent Abstracts of Japan, vol: 015170, Apr. 3, 1991, (Publication Number JP3037921, dated Feb. 19, 1991).
Kuzukawa KIYOAKI, "ELECTROMAGNETIC RELAY", Patent Abstracts of Japan, vol: 15, May 13, 1991, (Publication Number JP3046728, dated Feb. 28, 1991).

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