F - Mech Eng,Light,Heat,Weapons – 23 – L
Patent
F - Mech Eng,Light,Heat,Weapons
23
L
F23L 13/06 (2006.01) F23J 3/00 (2006.01) F23L 3/00 (2006.01)
Patent
CA 2079529
22 Abstract Damper apparatus for air ports of a chemical recovery furnace is mounted on a removable windbox faceplate. Damper blades extend from a cantilevered arm pivoted at the forward side of the faceplate, with the damper blades being otherwise unsupported, i.e., they are not confined to travel in tracks within the windbox. Rather, a counterweight urges the damper blades against the air port opening whereby the whole mechanism is free for removal as a unit with the faceplate. Cooperatively operable air port cleaning apparatus is also mounted on the faceplate.
Higgins Daniel R.
Hill Robert B.
Pingel Kenneth A.
Anthony-Ross Company
Oyen Wiggs Green & Mutala Llp
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