Wavy-tilt-dam seal ring

Details Wavy-tilt-dam seal ring Wavy-tilt-dam seal ring

1987-02-17

1989-06-06

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 961, F16J 1534

Patent

active

048365610

ABSTRACT:
A unique wavy-tilt-dam shaped mechanical face seal ring, a mechanical face seal which incorporates the wavy-tilt-dam shaped ring, and an apparatus for shaping seal rings. The face shape of the ring is contoured to include a number of waves, tilts and a dam, for the purposes of promoting hydrostatic and hydrodynamic lift, and minimizing leakage in the seal. The apparatus includes a grinding wheel, a drive motor, a spindle, a cam, a cam follower, and flexure mounts to allow slight rotations of the grinding wheel or the face seal ring being ground, and thereby the apparatus machines contours onto the face of the ring.

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"The Wavy Mechanical Face Seal Theoretical and Experimental Results," A. O. Lebeck and L. A. Young, Office of Naval Research Publication (1981).
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