Pulse power controlled vacuum switch
CA 1253545 A · Owner: Westinghouse Electric Corporation · Inventors: Voshall, Roy E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a vacuum switch in which current conduction is initiated between two spaced apart arcing electrodes by a direct current voltage pulse applied between one of the arcing electrodes and a trigger electrode. The switch is turned off by applying a pulsed transverse magnetic field to the arcing gap between the two arcing electrodes.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 2, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 2, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.