Power transmission system with current limiting device
CA 1261388 A · Owner: Mitsubishi Denki Kabushiki Kaisha · Inventors: Suzuki, Hiroshi; Shinozaki, Yasuhide; Yokouchi, Kazuhiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A power transmission system having a plurality of power transmission stations for transmitting power from a power-receiving line to respective branch circuits wherein each power transmission station includes a protection circuit providing a current path for transmitting power to or receiving power from other stations. Each protection circuit has a series circuit of a current limiting breaker and a current detector and a bypass switch in parallel with the series circuit. When operation of one station is selectively interrupted to allow inspection for example, of, the main transformer, the bypass switch of the one station is closed to provide a current path for the associated branch circults …
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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 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.