Capacitor bank
CA 1081333 A · Owner: Asea Aktiebolag · Inventors: Nerf, Owe; Johansson, Arne; Danemar, Ake
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Capacitor bank for use in high voltage electric plants such as series or shunt capacitors, or for use in filter circuits for high voltage direct current plants is built up of a number, of capacitor units arranged in a closed tank containing a gas for electrical insulation and for regulation of the temperature in the tank and with the capacitor units arranged in a rack. This capacitor bank is characterised in that the rack is made of electrically insulating material and constitutes partly supporting means for the capacitor units, partly the necessary insulation between the capacitor units, and partly is formed so that it constitutes guide means for the circulating gas in order to obtain …
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 July 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 8, 1997.
- 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.