Enclosed thyristor valve
CA 1251522 A · Owner: Toshiba Mitsubishi-Electric Industrial Systems Corporation · Inventors: Takahashi, Tadashi; Ikegame, Hiroo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An enclosed thyristor valve of the type dividable into first and second portions comprises a tank a, thyristor valve assembly including a plurality of thyristor elements encased in the tank a plurality, of light guides extending through the tank for transmitting light signals for firing the thyristor elements, cooling pipes extending through the tank for circulating a coolant to cool the thyristor assembly, and bushings mounted on the tank for connecting the thyristor valve assembly with a power line system. The first and second portions are connected at mating flange portions disposed to the first and second portions of the tank. The light guides and cooling pipes are provided for the …
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 March 21, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 21, 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.