Centering devices for a split mechanical seal

Details Centering devices for a split mechanical seal Centering devices for a split mechanical seal

1997-08-19

1999-06-22

Knight, Anthony

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1534

Patent

active

059135204

ABSTRACT:
A centering mechanism for a split mechanical seal that circumferentially and uniformly separates a gland assembly having a pair of gland segments from a holder assembly having a pair of holder segments, thereby centering the seal relative to a rotary shaft of a stuffing box. The gland segments and the holder segments are concentrically disposed about the shaft.

REFERENCES:
patent: 2844393 (1958-07-01), Jensen
patent: 3050319 (1962-08-01), Colby
patent: 3161414 (1964-12-01), Porges
patent: 3486760 (1969-12-01), Tracy
patent: 4576384 (1986-03-01), Azibert
patent: 4989882 (1991-02-01), Warner et al.
patent: 5067733 (1991-11-01), Nagai et al.
patent: 5294132 (1994-03-01), Duffee et al.
patent: 5490682 (1996-02-01), Radosav et al.
patent: 5577738 (1996-11-01), Fukuda

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