Direct fired cylinder dryer
CA 1286498 C · Owner: Hemsath, Klaus H. · Inventors: Hemsath, Klaus H.; Fu, Being-I
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
DIRECT FIRED CYLINDER DRYER, (Abstract of the Disclosure) A drying cylinder (A) is mounted for rotation about its central axis (44). A burner assembly (B) oxidizes fuel interior to the shell, generally along the central axis. A recirculating fan (C) urges the hot combustion gases from the burner into a nozzle box assembly (D). The nozzle box assembly includes a plurality of peripherally spaced longitudinally extending boxes (80) which have an array of nozzles (82) therein. The nozzles direct jets of hot combustion gases against an interior surface of a cylinderical dryer shell (30) for transferring heat thereto. Hot combustion gases which have impinged upon the shell are recirculated …
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
- Granted July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2008.
- 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.