Multi-position labyrinth seal ring

Details Multi-position labyrinth seal ring Multi-position labyrinth seal ring

1990-07-05

1991-06-18

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 57, F16J 1534

Patent

active

050244515

ABSTRACT:
A labyrinth seal ring designed to function properly regardless of its rotational orientation relative to a horizontal shaft to be sealed. The novel seal ring bore is formed with a series of lands and grooves, with a plurality of axially extending drainage grooves cut across the axially inner lands to allow fluid to drain back into the associated housing interior. The pattern of the drainage grooves varies from land to land so that nowhere is there a direct flow path across more than two lands. The new ring will most likely be used in conjunction with a bearing isolator seal, but it may be used alone in some applications.

REFERENCES:
patent: 924897 (1909-06-01), Emmet
patent: 2018372 (1935-10-01), Mason
patent: 4022479 (1977-05-01), Orlowski
patent: 4114902 (1978-09-01), Orlowski
patent: 4175752 (1979-11-01), Orlowski
patent: 4466620 (1984-08-01), Orlowski
patent: 4572517 (1986-02-01), Rockwood et al.
patent: 4706968 (1987-01-01), Orlowski

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