Articulated seal for rotating cylinder such as kiln or the like

Details Articulated seal for rotating cylinder such as kiln or the like Articulated seal for rotating cylinder such as kiln or the like

1979-02-09

1980-06-24

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277199, 277154, 432 73, F16J 1538

Patent

active

042091756

ABSTRACT:
A seal for use in sealing an annular opening between a stationary member and a rotating cylinder telescopically arranged in the stationary member, the seal comprising an annular ring member circumscribing the cylinder adjacent the stationary member and closing the annular opening. The seal comprises weighting means extending axially away from a back side of the ring member to provide a counterweighting effect which causes a tilting of the ring member, whereby said tilting and the rotation of the cylinder moves the ring member into engagement with the stationary member to substantially seal the annular opening, all in accordance with the teaching of U.S. Pat. No. 3,042,389. In accordance with the present invention, the annular ring member is divided into a plurality of circumferentially extending segments in which adjacent segments are pivotally connected to each other to permit articulation of the segments to accommodate "out-of-round" portions of the rotating cylinder.

REFERENCES:
patent: 2196245 (1940-04-01), Borch
patent: 2638363 (1953-05-01), Bryant
patent: 2765150 (1956-10-01), Persson et al.
patent: 3042389 (1962-07-01), Gieskieng
patent: 3337224 (1967-08-01), Eser et al.
patent: 3360275 (1967-12-01), McCreary
patent: 3532330 (1970-10-01), Sevanson
patent: 3997175 (1976-12-01), Geary
patent: 4149731 (1979-04-01), Yoshida et al.

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