High-speed easy-maintenance split seal

Details High-speed easy-maintenance split seal High-speed easy-maintenance split seal

1990-02-09

1991-06-04

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 93SD, 277190, 277193, F16J 1534

Patent

active

050208098

ABSTRACT:
A mechanical split seal includes a tapered carbon split seal ring and a silicon carbide split mating ring. The tapered seal ring is compressed by a tapered seal ring shell which has a split "O" ring disposed in the taper to provide even force and improved sealing. The shell is biased toward the seal ring by multiple springs retained by a non-split cup. The mating ring is supported by a gland which includes a split gland packing assembly for compressing packing material onto the shaft. Used as a pump seal, the seal can be cooled by circulation created by the fluid supplied from either the pump input or output.

REFERENCES:
patent: 1009303 (1911-11-01), Hansen
patent: 4239240 (1980-12-01), Wilkinson
patent: 4792146 (1988-12-01), Lebeck et al.
Seals and Sealing Handbook, 1981, Gulf Publishing Company, pp. 242, 253-254.

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