Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1989-01-31
1990-10-09
Shoap, Allan N.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277152, 277189, 277192, 277193, 277227, 277235R, F16J 1532, F27B 724
Patent
active
049615882
ABSTRACT:
A heat resistent seal having a plurality of finger-like members (14) which press against the outer peripheral surface (23) of a rotating cylinder (16). The seal includes several seal sections (10), each comprising a thin spring steel plate (22) having a length in the range of about 30 cm to about 92 cm. Each section has a plurality of finger-like members (14) formed by making cuts (13) of about 5 cm in length along one edge (11) of the section (10). The seal sections are attached to a windbox (17) with the finger-like members (14) pressed against the rotating cylinder (16) of the rotary kiln. The finger-like members (14) of the seal are arranged to press against the outer peripheral surface (23) of the rotating cylinder (16) and apply a substantially even and constant force around the outer peripheral surface (23) of the rotating cylinder (16).
REFERENCES:
patent: 2171049 (1939-08-01), Simmons
patent: 2715556 (1955-08-01), Prasse
patent: 3383115 (1968-05-01), Eckley et al.
patent: 3940239 (1976-02-01), Rossi et al.
patent: 4111439 (1978-09-01), Schmidt
patent: 4601475 (1986-07-01), Nicholson
"Rotary Kiln Seals--Effective Design Cuts Fuel Cost Appreciably"by Sam Webb, Pit and Quarry, Aug. 1975.
Shoap Allan N.
Westinghouse Electric Corp.
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