Mechanical seal with improved face ring mounting

Details Mechanical seal with improved face ring mounting Mechanical seal with improved face ring mounting

1980-04-14

1981-04-14

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 26, 277 81R, 277 89, 277 961, F16J 1538

Patent

active

042615810

ABSTRACT:
A mechanical seal construction having an annular face ring, preferably of hard material such as tungsten or silicon carbide, interference fitted within an annular flange formed on a seal ring. One of the face and seal rings is undercut so that the effective holding force between the flange and the face ring, as created by the interference fit, acts effectively only at, or at least adjacent, the central transverse plane of the face ring to substantially prevent distortion of the face ring. The inner end face of the face ring is axially spaced from the opposed end face on the seal ring, so that the face ring is supported on and engaged with the seal ring solely by the engagement therebetween substantially along the central transverse plane.

REFERENCES:
patent: 3116066 (1963-12-01), Kopplus
patent: 3388913 (1968-06-01), Tracy
patent: 3704019 (1972-11-01), McHugh
patent: 3765689 (1973-10-01), Adams
patent: 3776560 (1973-12-01), Wentworth

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