Heat recuperator and method for use with gas-fired furnace using nozzle or pre-mix burners
CA 1195913 A · Owner: Vider, Leslie · Inventors: Vider, Leslie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
IMPROVED HEAT RECUPERATOR AND, METHOD FOR USE WITH GAS-FIRED FURNACE USING NOZZLE OR PRE-MIX, BURNERS" ABSTRACT OF THE DISCLOSURE, A heat recuperator and a method for recuperating heat from a furnace having a nozzle-mix burner to enhance the efficiency of combustion of one or more burners associated with the furnace. The recuperator comprises an exhaust tube which is connectable to a furnace combustion chamber for receiving heated exhaust gas therethrough. The exhaust tube has an outer cylindrical wall and an inner metallic tube concentrically supported therein. An annular space is defined between the outer cylindrical wall and the inner tube. The inner tube is formed in at, least a major …
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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
- Granted October 29, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 2002.
- 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.