Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
277134, F16J 1532
A seal comprises a disk flared to bear on a machine element to be sealed at two zones separated by an axial distance therealong has the machine element. The side of the flared disk along two hydrodynamically-acting back-feed elements which intersect each other.
patent: 4497496 (1985-02-01), Repella
patent: 4501431 (1985-02-01), Peisker
patent: 4522328 (1985-06-01), Itolzer
patent: 4522411 (1985-06-01), Burgan
patent: 4526383 (1985-07-01), Fuchs et al.
Firma Carl Freudenberg
Smith Robert I.
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