Labyrinth seal with contaminant purging passageway for bearing h

Details Labyrinth seal with contaminant purging passageway for bearing h Labyrinth seal with contaminant purging passageway for bearing h

1997-09-11

1999-05-18

Nicholson, Eric K.

Seal for a joint or juncture

Seal between relatively movable parts

Close proximity seal

277417, 384478, F01D11/04

Patent

active

059043563

ABSTRACT:
An improved seal assembly for a bearing housing is provided and includes piston rights which do not contact the rotating shaft, and a grease supply passageway connected to a labyrinth, and a grease purging passageway exiting axially through the seal assembly.

REFERENCES:
patent: 3047299 (1962-07-01), Karsten
patent: 3315968 (1967-04-01), Hanlon
patent: 4270760 (1981-06-01), Greiman
patent: 4314705 (1982-02-01), Shimuzu
patent: 4447062 (1984-05-01), Leicht

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