Balanced shrink fit seal ring assembly

Details Balanced shrink fit seal ring assembly Balanced shrink fit seal ring assembly

1990-02-08

1991-08-27

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 96, F16J 1516

Patent

active

050428241

ABSTRACT:
A balanced seal ring assembly includes an annular seal ring insert having a sealing face and a rear face opposite the sealing face, an annular retainer pressingly engaging a portion of the outer periphery of the seal ring insert and thereby retaining the seal ring insert, and a distortion compensating ring pressingly engaging another portion of the outer periphery of the ring insert. The retainer and the distortion compensating ring are spaced from each other and combine to reduce the twisting distortion of the seal ring insert. A complete balanced seal assembly comprises a stationary balanced seal ring assembly fixed to the housing and a rotary balanced seal ring assembly fixed to the shaft so that the seal faces of the assemblies are in contact.

REFERENCES:
patent: 2233214 (1941-02-01), Lamont
patent: 2543615 (1951-02-01), Trumpler
patent: 2948555 (1960-08-01), Wright
patent: 3184244 (1965-05-01), Van Vleet
patent: 3749412 (1973-07-01), Lingley
patent: 4261581 (1981-04-01), Hershey
patent: 4418919 (1983-12-01), Wentworth
patent: 4659092 (1987-04-01), Wallace et al.
patent: 4773655 (1988-09-01), Lummila et al.
patent: 4842286 (1987-06-01), Heilala
patent: 4890851 (1989-01-01), Avard et al.
"Shrink Disc Connection", Baltz Company, Inc., Catalog SD 3 A-2, published Aug. 1978.

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