Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1984-09-04
1986-05-06
Smith, Robert I.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 81R, F16J 1534
Patent
active
045867194
ABSTRACT:
A single or multiple stage mechanical seal assembly in which one seal ring is resiliently coupled to a rotatable shaft and the other seal ring is resiliently urged toward the first seal ring by axially-arranged identical springs received in spring pockets in a spring retainer, some pockets opening at one radial surface of the retainer and others opening at the other radial surface of the retainer. The outer surfaces of the seal rings are protected against deflection by being encircled by cylindrical members and one seal ring is resiliently coupled to its encircling cylindrical member. A balance sleeve means partly supports the axially movable seal ring and is capable of angular adjustment to compensate for shaft misalignment.
REFERENCES:
patent: 2444713 (1948-07-01), Solari
patent: 2498739 (1950-02-01), Magnesen
patent: 2559964 (1951-07-01), Jensen
patent: 2653837 (1953-09-01), Voytech
patent: 4094513 (1978-06-01), Kime et al.
patent: 4202553 (1980-05-01), Kropp
patent: 4272084 (1981-06-01), Martinson
Boster Clark S.
Coleman Alan B.
Ellison Jerel E.
Marsi Joseph A.
Takumi Lawrence I.
Borg-Warner Corporation
Harbst John W.
Smith Robert I.
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