H - Electricity – 01 – H
Patent
H - Electricity
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H01H 33/64 (2006.01) H01H 33/70 (2006.01)
Patent
CA 1118476
17 47,421 ABSTRACT OF THE DISCLOSURE A gas-insulated circuit interrupter includes stationary and movable contact assemblies which are coop- erable with each other to transmit or interrupt electrical current. Means are provided for moving the movable con- tact assembly, and for establishing a flow in the circuit interrupter during an opening interruption to extinguish the arc which is drawn between the stationary and movable arcing contacts. A hollow insulating nozzle is utilized for directing gas flow. The interior surface of the nozzle is shaped so as to direct a flow of insulating gas to blast into the arc, and the exterior surface of the nozzle is contoured such as to deflect the flow of insu- lating gas away from the movable main contacts.
340451
Caithness Michael G.
Cromer Charles F.
Hess Robert L.
Kelsey Thomas
Yoon Kue H.
Mcconnell And Fox
Northern Engineering Industries Limited
Westinghouse Electric Corporation
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