Seal for a joint or juncture – Seal made of a particular material
Patent
1978-11-13
1980-07-29
Smith, Robert L.
Seal for a joint or juncture
Seal made of a particular material
F16H 1534
Patent
active
042147646
ABSTRACT:
A sealing device arranged to provide the seal for a fluid, in particular a liquid, between an ambient and the inside of a cavity comprised between a stationary member and a rotating member is described.
The main feature of this sealing device is that it comprises two annular sealing elements, each of which has a plane annular surface substantially orthogonal to the axis of rotation of the rotating member and a cylindrical side surface orthogonal to the said plane annular surface, one of the said sealing elements being rigidly connected to the stationary member and the other to the rotating member, the said two plane annular surfaces being coupled and axial thrust means being provided which are arranged to keep coupled the said plane annular surfaces with a predetermined pressure, the said two cylindrical side surfaces of the two sealing elements having the same diameter and being substantially coincident.
REFERENCES:
patent: 3157404 (1964-11-01), Doble
patent: 3547452 (1970-12-01), Hirata
patent: 3591188 (1971-07-01), Eisner
patent: 3603602 (1971-09-01), Padula
patent: 3650536 (1972-03-01), Shields
patent: 4114899 (1978-09-01), Kulzer et al.
Palmatier H. Dale
RIV - SKF Officine di Villar Perosa S.p.A.
Smith Robert L.
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