Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1986-01-28
1987-12-22
Shoap, Allan N.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 74, 277 93SD, 415111, F01D 2518, F16J 1534
Patent
active
047142588
ABSTRACT:
A balanced rotary seal assembly for positively adjusting the seal between a rotating shaft such as a hydraulic turbine shaft having rotary components carried thereby and the surrounding non-rotating machine elements wherein the seal assembly includes a plurality of counteracting pressure applying and fluid conduit devices which are radially spcaed about the axis of the shaft so that an adjustable and variable force is uniformly created so as to regulate the engagement of a pair of annular seal elements against an annular wear plate carried by the rotary components of the turbine and wherein fluid flow to the seal elements and wear plate is generally insured whenever the rotary components are moved relative to the seal elements.
REFERENCES:
patent: 2036308 (1936-04-01), Vroom
patent: 2300385 (1942-10-01), Kollberg et al.
patent: 2469588 (1949-05-01), Aschauer
patent: 2621946 (1952-12-01), Jendrassik
patent: 2679412 (1954-05-01), Whitfield
patent: 2736265 (1956-02-01), Higgins
patent: 3926442 (1975-12-01), Muller
Sauron Albert
Smetanine Alexandre
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