Control of hydrogen cooler employed in power generators
CA 2060920 A1 · Owner: Pipkin, James Robert · Inventors: Hargrove, Homer Gay; Pipkin, James Robert; Montgomery, Lon Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for cooling hydrogen which is used for cooling an electric power generator, cooling of the hydrogen being effected by transfer of heat from hydrogen leaving the generator to cooling water extracted from a source which has a temperature determined by external conditions. The system is composed of an indirect heat exchanger for bringing cooling water into heat exchange communication with hydrogen leaving the generator and cooling water is supplied to the heat exchanger partially from the source and partially from cooling water leaving the heat exchanger. A temperature monitoring unit produces an indication of the temperature of the cooling water extracted from the source and a …
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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 10, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 10, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 10, 2014.
- 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.