Submerged shaft seal

Details Submerged shaft seal Submerged shaft seal

1983-09-01

1989-04-11

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 56, 277 59, F16J 1540, F16J 15447

Patent

active

048199486

ABSTRACT:
A submerged rotating shaft mechanism, including a gearbox with a gland connected to it and a shaft projecting from the gearbox through and beyond the gland, has an inner seal adjacent the gearbox, an outer, labyrinth, seal adjacent an outer end of the gland, the inner and outer seals forming, with the inside of the gland and the outside of the shaft, a chamber, a fitting communicates, through the gland, with the chamber, and compressed air is supplied to the chamber through the fitting to provide a constant flow of air through the labyrinth seal to flush that seal.

REFERENCES:
patent: 3477385 (1969-11-01), Tangeman et al.
patent: 3642292 (1972-02-01), Dougherty
patent: 4139203 (1979-02-01), Garrison
patent: 4222575 (1980-09-01), Sekiguchi et al.

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