Vertical gas flue for a heat-exchanger
CA 1247949 A · Owner: Sulzer Brothers Limited · Inventors: Rees, Karl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a vertical gas flue for a heat exchanger of the type having a hopper at the bottom end. The gas flue is defined by interconnected medium-carrying wall-forming gas flue tubes extending substantially longitudinally of the flue. The hopper is also defined by interconnected medium-carrying and wall-forming hopper tubes. The inclined hopper walls meet wall-forming tubes of the gas flue along a boundary edge near the top of the walls. The tubes of the hopper walls are connected with gas flue tubes on the medium side. In accordance with the invention, the gas flue has at least a pentagonal or cylindrical cross-section the boundary edge, extending over the entire periphery …
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 January 3, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 3, 2006.
- 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.