Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1997-05-22
1999-11-16
Knight, Anthony
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277379, 277382, 277390, F16J 1534
Patent
active
059843136
ABSTRACT:
A sliding ring seal includes a counter ring and an adjusting ring configured as a buttress. The counter ring and the adjusting ring are interconnected in a manner that does not allow for relative rotation, and they enclose a shaft to be sealed, also in a manner that does not allow for relative rotation. At least one sealing ring made of an elastomeric material seals the counter ring and the adjusting ring with respect to each other and with respect to the shaft. A sliding ring is joined to a housing and is sealed with respect thereto by means of at least one further sealing ring. The sliding ring is joined to the housing in an axially resilient manner that also does not allow for relative rotation. The counter ring and the sealing ring respectively include sealing surfaces that contact one another sealingly under an elastic preload. The sealing rings are arranged, sealingly and under the elastic preload, in a corresponding installation space. One installation space is formed between the counter ring and adjusting ring, and the other installation space is formed between the sliding ring and the housing. Substantially the entire surface area of at least one of the sealing rings is contacted, under the elastic preload, by the delimiting walls of the corresponding installation space and by a support surface of at least one support element arranged in the corresponding installation space.
REFERENCES:
patent: 2503086 (1950-04-01), Albright
patent: 3068012 (1962-12-01), Van Vleet
patent: 3430990 (1969-03-01), Nelson
patent: 3977685 (1976-08-01), Greenawalt et al.
patent: 4183541 (1980-01-01), Wentworth
patent: 4560174 (1985-12-01), Bisi
patent: 4754981 (1988-07-01), Burns
patent: 5172921 (1992-12-01), Stenlund
patent: 5560622 (1996-10-01), Sedy
Firma Carl Freudenberg
Knight Anthony
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