Gap adjusting eccentric pin for articulated seals of rotary kiln

Details Gap adjusting eccentric pin for articulated seals of rotary kiln Gap adjusting eccentric pin for articulated seals of rotary kiln

1981-12-04

1983-10-11

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 88, F16J 1534

Patent

active

044087683

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 backside 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. 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, all in accordance with the teachings of U.S. Pat. No. 4,209,175. In accordance with the present invention, an eccentric pin is provided pivotally connecting contiguous segments permitting adjustment of the seal circumference to facilitate walking of the seal about the cylinder and increase seal efficiencies as required during the installation or operation of the seal.

REFERENCES:
patent: 2188635 (1940-01-01), Dusen
patent: 3042389 (1962-07-01), Gieskieng
patent: 4209174 (1980-06-01), Bliemeister
patent: 4280707 (1981-07-01), Bliemeister

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