Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1980-02-01
1981-05-26
Smith, Robert I.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 56, 277135, F16J 1540
Patent
active
042694183
ABSTRACT:
A hydraulic seal for a fluid machine having a horizontal core and a vertical rotating shaft extending up through a central opening in the cover comprises a disc fixed on the shaft above the cover. A plurality of rotating frusto-conical sheaths have their smaller ends fixed to the disc and extending down almost to the cover. A plurality of stationary frusto-conical sheaths have their larger ends fixed to the cover and extend up almost to the disc, interleaving with the rotating disc. Spaces between the sheaths contain mercury and oil.
REFERENCES:
patent: 945180 (1910-01-01), Ljungstrom
patent: 2510130 (1950-06-01), Moore
patent: 3910585 (1975-10-01), Tabacchi
Serafica Mario
Valentini Silvio
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Nira Nucleare Italiana Reattori Avanzati
Smith Robert I.
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