Fluid film seal

Details Fluid film seal Fluid film seal

1994-04-08

1995-02-14

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 961, 277136, 277149, F16J 1516

Patent

active

053888430

ABSTRACT:
Fluid film seal for shafts rotating at high speeds with improved centering means for low unbalance of the rotating seal ring. Centering and drive means are combined and interspaced at the center portion of the outer diameter of the symmetrical rotatable seal ring. The drive and centering at the outer ring diameter direct drive and centering forces inward, lowering tensile stresses due to centrifugal forces. Symmetry of the rotatable seal ring cross-section makes also centrifugal stresses symmetrical with no resulting torsion around the ring cross section to cause face distortions and yields an alternate seal surface at the back side of subject seal ring.

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patent: 4836561 (1989-06-01), Lebeck et al.
patent: 5039113 (1991-08-01), Gardner
patent: 5066026 (1991-11-01), Heck et al.

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