Circulating fluidized bed reactor and a method of separating solid material from the flue gases
CA 1265660 C · Owner: A. Ahlstrom Corporation · Inventors: Lundqvist, Ragnar; Henricson, Kaj; Engstrom, Folke
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A circulating fluidized bed reactor and a method of separating solid material from the flue gases A circulating fluidized bed reactor comprises a vortex chamber (4) for separating solid material from the discharge gases of the reactor. A channel (2) which, guides the gases discharged from the reactor is directed, downwards. The main portion of the solid material is separated from the gases by a change of flow direction after which the solid material flows on to a return duct (8) in the lower part of the reactor (1). The main portion of the gases is directed after the change of direction to the vortex chamber (4, 104 204, 304) where, further separation of solid material is carried out.
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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 February 13, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 2007.
- 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.