Coal pulverizer brush seal assembly
CA 2496983 A1 · Owner: Alstom Technology Ltd · Inventors: Maurer, Donald G.; Stanwicks, Peter L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A brush seal assembly (50, 56) for a coal pulverizer includes multiple identical assembly segments (54). Each assembly segment (54) comprises an arcuate brush assembly (56), a pair of clamping block assemblies (64) and a pair of mounting bolts. The brush assembly (56) includes a brush (68) and an adjusting segment (58) having a pair of elliptical openings. A radially inner end of the brush contacts the pulverizer yoke (40) and a radially outer end is connected to the adjusting segment (58). Each clamping block assembly includes a clamping block (122), having a circular opening a threaded rod (130), and a , pair of jam nuts (132) the rod (130) extending radially from an inner end …
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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
- Filed September 5, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 5, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 5, 2025.
- 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.