Electric circuit interrupter of the puffer type comprising a...

Details Electric circuit interrupter of the puffer type comprising a... Electric circuit interrupter of the puffer type comprising a...

H - Electricity

01

H

306/226

H01H 33/64 (2006.01) H01H 71/43 (2006.01)

Patent

CA 1055997

ABSTRACT OF THE DISCLOSURE A puffer-type circuit interrupter comprises a cylinder coupled to the conductive contact rod of the inter- rupter and a floating piston within the cylinder that is relatively movable with respect to the cylinder to pressurize fluid in the cylinder, which pressurized fluid is used for arc- extinguishing purposes. Means effective during an interrupting operation is provided for forcing current flowing through the rod to follow a loop-shaped path, electrically in series with the rod, that extends through the piston. This current has a magnetic effect while flowing through said loop-shaped path that acts to drive the piston within the cylinder through a fluid-pressurizing operation.

259992

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