Sncr distribution grid
CA 2587869 C · Owner: Babcock & Wilcox Power Generation Group, Inc. · Inventors: Hahn, Jeffrey J.; Anderson, Gary L.; Ramsdell, Richard A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An SNCR distribution grid for introducing a NOx reducing reactant into a flue gas flow. The grid is made of one or more elements (60) which are formed by fluid-cooled tubes (66) to which membrane pieces (68) are attached preferably , by welding, to form conduits (70) in between the tubes. The fluid-cooled tubes (66) may be cooled by water and/or steam and the distribution grid is disposed in the flue gas flow. To admit the reactant (62) into the flue gas nozzles , (72) are provided in the membrane (68) and the reactant is conveyed from a location external of the furnace or combustor enclosure into the conduits , (70) so formed, and thence out into the flue gas flow via the nozzles (72).
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
- Filed November 10, 2005 and granted December 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 10, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.