Stern seals for ships

Details Stern seals for ships Stern seals for ships

1976-06-11

1978-04-25

Aegerter, Richard E.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 29, 277 59, 277 71, 277 88, F16J 1534

Patent

active

040859410

ABSTRACT:
In a stern seal and bearing assembly for the stern shaft of a ship there is an oil seal assembly at the outboard end of the bearing and a sea water seal (preferably a face seal) axially spaced from it, with a drain from the space between the two, and the oil seal assembly comprises a pair of lip seals directed towards each other with a drain from the space between them. The oil supply to the bearing can be at low pressure, for example simply the static head from a tank slightly above the level of the bearing, and the last-mentioned drain may have a swan neck above the oil level.

REFERENCES:
patent: 3176996 (1965-04-01), Barnett
patent: 3403915 (1968-10-01), Roberts
patent: 3480285 (1969-11-01), Anderson
patent: 3599993 (1971-08-01), Eriksson
patent: 3631834 (1972-01-01), Gardner et al.
patent: 3825270 (1974-07-01), Paramonoff et al.
patent: 3894741 (1975-07-01), McHugh
patent: 3934952 (1976-01-01), Gardner

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