Heat accumulator element
CA 1318559 C · Owner: Zenshin Electric Power Engineering Co. Ltd. · Inventors: Mori, Masahiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a heat accumulator element which comprises a container containing a liquid sealed therein, the inside of said container being provided with a gas phase. Heat is directed at the outer surface of the container and accumulated in the liquid and the volume change of the liquid caused by a change in the temperature is absorbed by the gas phase so as, to reach an accumulating temperature up to about 300°C.
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 June 1, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 1, 2010.
- 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.