Composite circulating fluidized bed boiler
CA 1332685 C · Owner: Miyoshi, Norihisa · Inventors: Nagato, Shuichi; Ohshita, Takahiro; Miyoshi, Norihisa
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention discloses an interior circulation fluidized bed boiler in which a fluidized bed portion of a fluidized bed boiler is divided by a partition into a main combustion chamber and a heat recovering chamber the main combustion chamber being provided at the lower portion thereof with at least two air chambers i.e. an air, chamber for imparting a high fluidizing speed to a fluidizing medium and an air chamber for imparting a low fluidizing speed thereto, a whirling and circulating flow is formed in the fluidizing medium in the main combustion chamber by a combination of air having different fluidizing speeds jetted out of these air chambers, a circulating flow of the …
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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 25, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 25, 2011.
- 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.