Stern tube seal device

Details Stern tube seal device Stern tube seal device

1984-03-26

1984-11-13

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 27, 277 59, 277 81S, 277192, F16J 1540, F16J 1538

Patent

active

044821590

ABSTRACT:
A stern tube seal device wherein an annular case member is arranged in the outer periphery of a shaft, a mechanical seal is arranged in a gap therebetween and at a position at the side of the ship, a limited leaking type seal is arranged at a position at the side of sea water, and pressure fluid is fed in the intermediate between both the seal members to enhance a sealing effect by pressure of the pressure fluid.

REFERENCES:
patent: 3088744 (1963-05-01), Ezekiel et al.
patent: 3565447 (1971-02-01), Goetze et al.
patent: 4094512 (1978-06-01), Back
patent: 4145059 (1979-03-01), Imai et al.
patent: 4183540 (1980-01-01), Hytonen

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