Transmission shaft sealing arrangement

Details Transmission shaft sealing arrangement Transmission shaft sealing arrangement

1987-09-30

1989-04-04

Werner, David

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 65, 277 82, F16J 1532, F16H 5700, B61C 908

Patent

active

048178462

ABSTRACT:
In a seal arrangement between a stationary and a rotating machine part, for example, between a transmission housing and a hollow sleeve exiting from the housing, there are arranged two V-rings oriented concentrically to one another in the one machine part, the lips of the seals cooperating with the other machine part. To extend the service life of the seal arrangement, a first V-ring is first in an effective position and a second V-ring is supported for movement from a noneffective position (A) into an effective position (B) at a later time by means of a device which can be operated from outside.

REFERENCES:
patent: 3591188 (1971-07-01), Eisher
patent: 4235354 (1980-11-01), Aonuma et al.
patent: 4299398 (1981-11-01), Wahl
patent: 4552368 (1985-11-01), Wallace
patent: 4625977 (1986-12-01), Azibert et al.

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