Low friction dynamic seal assembly with centrifugal deflection

Details Low friction dynamic seal assembly with centrifugal deflection Low friction dynamic seal assembly with centrifugal deflection

1985-06-12

1986-02-25

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 25, 277 95, 277152, F16J 1532

Patent

active

045725160

ABSTRACT:
A low friction dynamic seal assembly in which a seal body is selectively bonded to certain portions of a seal case fixable to a rotatable member. The selected bonding creates a hinge with the seal case of controllable resistance to the initial deflection of the seal body caused when the seal case is fixed rotatable member. The seal body is selectively bonded substantially only to that portion of the seal case toward which the seal body is deflected. Therefore, reduced frictional loads are provided at low speed of rotation. Additionally, the hinge provided by the selected bonding allows further deflection of the seal body at higher speeds of rotation to further reduce seal friction.

REFERENCES:
patent: 1931733 (1933-10-01), Leibing
patent: 2478140 (1949-08-01), Ulseth
patent: 3101954 (1963-08-01), Huddle
patent: 3627390 (1971-12-01), Irwin
patent: 4311315 (1982-01-01), Kronenberg
patent: 4497495 (1985-02-01), Christiansen

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