Burner assembly for coal fired furnaces
CA 1294827 C · Owner: Collins, Raymond L. Jr. · Inventors: Collins, Raymond L. Jr.; Bryk, Stephen A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A burner assembly (10) for the combustion of pulverized coal in furnaces (12) and the like. The assembly comprises wind box means (23) for providing a primary source of air to the interior (13) of the furnace; feeding means (30) for delivering pulverized coal through a wall (11) of the furnace and into the interior thereof; means for supplying (31) a secondary flow of air through the feeding means and into the furnace separate from the primary flow of air; and swirler means (32) having a plurality of blades around the feeding means so that the first flow moves around and through the blades for imparting a rotation to the primary flow of air to penetrate the pulverized coal funnel. A method …
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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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
- 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.