Sealing system for a circular heat exchanger
CA 2081101 A1 · Owner: Solar Turbines Incorporated · Inventors: Darragh, Charles T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Circular heat exchangers have been used to increase the efficiency of engines by absorbing heat from the exhaust gases and transferring a portion of the exhaust heat to the intake air. The present heat exchanger (10) is built to better seal the cooler recipient fluid (16) from the heated recipient fluid (16) and the donor fluid (20) within the operation of the heat exchanger (10). The circular heat exchanger (10) is also easily removable from the engine (12) should repair or servicing be required. The manifold (102) is interwoven between the inlet ports (8) and the outlet ports (82) and sealingly separates the cool recipient fluid (16) from the heated recipient fluid (16). The tongue (110) …
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
- Filed August 20, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 20, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 20, 2012.
- 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.