Piezo-pyroelectric energy converter and method
CA 2238771 A1 · Owner: Thermodyne Technologies, Inc. · Inventors: Kucherov, Yan R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention embodies a piezo-pyroelectric energy converter (10) and is directed to a method and apparatus for conversion of thermal energy to electrical energy and electrical energy to refrigeration. The present invention utilizes one or more piezo-pyroelectric materials (12 62, 72) with , thermally conductive metal electrodes (14 64, 68), which resonate at a high , frequency and are in thermal communication with a hot heat sink (16) and a cold heat sink (18) to create a thermal gradient and heat flow along the metal electrodes (14, 64, 68) and the piezo-pyroelectric material (12 62, 72).
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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 February 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 14, 2019.
- 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.