Apparatus for continually upgrading transformer dielectric liquid
CA 1193555 A · Owner: Westinghouse Electric Corporation · Inventors: Kurz, Robert A.; Walsh, Edward J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Electrical inductive apparatus having a tank an, insulating and cooling liquid in the tank and an electrical winding structure immersed in the liquid the liquid, having a low vapor pressure and containing contaminants derived from various sources within the tank. Filter means associated with the liquid including a liquid recirculating device for degassing, demoisturizing and filter-, ing insoluble particles out of the liquid whereby the, liquid is decontaminated and upgraded in a continual process.
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 September 17, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 2002.
- 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.