Gland assembly for use with mechanical seal

Details Gland assembly for use with mechanical seal Gland assembly for use with mechanical seal

1998-11-02

1999-12-21

Knight, Anthony

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277372, 277375, 277511, F16J 1554

Patent

active

060038756

ABSTRACT:
A mechanical seal assembly having multiple compression spring assemblies that are used to bias a stationary seal into sealing engagement with a rotating seal, the springs in the spring assemblies being supported on their internal diameter and having their outside diameter visible for their entire length, each spring assembly further including a releasable, expendable clip that serves to preload the two seal faces against one another, limits relative axial movement between the stationary and rotating seal assemblies, and coaxially aligns the stationary and rotating seal assemblies.

REFERENCES:
patent: 5071139 (1991-12-01), Warner
patent: 5209496 (1993-05-01), Azibert et al.
patent: 5662340 (1997-09-01), Bessette et al.
Brochure: "Chesterton 442 Split Mechanical Seal," A.W. Chesterton Co., Admitted prior art.
Brochure: "Chesterton 155 Cartridge Single Seal," A.W. Chesterton Co., 1992, Admitted prior art.
Page from Brochure:"Figure 1.9 Mechanical Seal With Multiple Spings," Dura Seal Manual, Admitted prior art.
Brochure:"Figure IV-G Water Jacketed Stuffing Box," Dura Seal Manual, Section IV, p. 7, Admitted prior art.

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