Stirling engine
CA 2543690 C · Owner: Matsushita Electric Industrial Co. Ltd. · Inventors: Hoshino, Takeshi; Hirata, Koichi; Akazawa, Teruyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high efficient stirling engine with excellent thermal efficiency, which can increase the heating temperature of a high temperature section, is obtained by preventing the heat from being lost in a member connecting the high temperature section and a low temperature section. The high temperature section 5 and the member (a regenerator housing 16) connecting the high temperature section and the low temperature section are formed to have a split configuration by using different materials for the each in which the high temperature , section 5 is formed of a heat resistant/high heat conductive material having high heat resistance property and high heat conductivity the regenerator …
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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
- Filed October 29, 2004 and granted August 28, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 29, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.