Title: Rotary mechanical face seals

Abstract: An axially movable seal face member of a rotary mechanical face seal, for example for a ship's stern shaft, is sealed to its associated structure, and at the same time loaded axially, by the wedging action of a ring urged radially between two oppositely inclined annular surfaces on bodies associated with the member and the structure, either the ring or the surfaces or both being of resilient material. The ring could be a rubber O-ring and the surfaces could be two further O-rings. Alternatively the ring could be rigid, or the ring could be resilient but the other two surfaces rigid.

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Inventors: Wilkinson, Samuel C. W. (Chichester, GB)

Application Number: 064369
Filing Date: 1979-08-07
Publication_date: 1980-12-16
Assignee: Crane Packing Limited (Slough, GB2)
Primary Class(es): 277/382 277/386, 277/390
Other Classes:
US Patent Ref:

2747903	May, 1956	Heinrich	277/39.
2877029	Mar, 1959	Peguet et al.	277/41.
2879094	Mar, 1959	Transeau	277/120.
3245692	Apr, 1966	Voitik	277/40.
3322430	May, 1967	Voitik	277/41.
3630532	Dec, 1971	Traub et al.	277/144.
4134595	Jan, 1979	Melville	277/1.

Other Refs: 195091237933517295

Jun, 1971	DE
Jan, 1964	CH
Jan, 1940	GB

Primary Examiner: Ward, Jr., Robert S.
Assistant Examiner:
Attorney: Scrivener, Parker, Scrivener and Clarke