Bulkhead seal

Details Bulkhead seal Bulkhead seal

1975-04-24

1976-04-06

Rothberg, Samuel B.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277137, F16J 900

Patent

active

039485315

ABSTRACT:
A segmented packing for a ship's propeller shaft at a bulkhead in the ship's hold to prevent water in one ship's compartment from passing through the propeller shaft opening in a bulkhead to an adjacent compartment. The seal is normally held out of contact with the propeller shaft by equally spaced pins. The pins have grooves into which the seal segments are forced by encircling garter springs when the pins are normally pushed axially to apply the packing. The pins can be pushed from either side of the bulkhead so that the operator need not enter the flooded compartment to make the packing effective. The packing can be cocked again after use by operating a threaded jack for each segment and then retracting the pins to their initial position in which the packing is held out of contact with the shaft.

REFERENCES:
patent: 2071914 (1937-02-01), Bentley
patent: 2867458 (1959-01-01), Kroerel

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