Air to air heat exchanger
CA 1202956 A · Owner: Leblanc, Alfred J. · Inventors: Leblanc, Alfred J.; Leblanc, Guy E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This is an air to air heat exchanger. A unit utilizing tubes inside a boxed area for the purpose of transferring heat. Special positioning of these tubes allows efficient heat transfer and non-clogging of unit. Cold air travels inside of tubes and hot air around the exterior of them. Cold air chambers are insulated eliminating, external condensation. Interior condensation is drained by use of a slanted floor under the heat transfer tubes. Multiple air flow chambers in both cold and hot air passages increase heat transfer and retard unit freeze up. Built in washing apparatus may be provided to facilitate unit maintenance. Construction materials may consist of acrylics, plastic piping and …
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 April 8, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 2003.
- 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.