Seal arrangement for propeller shafts of ships

Details Seal arrangement for propeller shafts of ships Seal arrangement for propeller shafts of ships

1994-09-28

1996-02-20

Basinger, Sherman

Marine propulsion

Screw propeller

Propeller arrangement

277 30, 277 97, 416174, B63H 510

Patent

active

054924928

ABSTRACT:
A seal arrangement for controlling any large bearing clearance in the vicinity of a propeller shaft, such as for a propeller drive system for ships with two concentric propeller shafts rotating in opposite directions. The seal arrangement has a housing ring for supporting the sealing lips and a supporting ring for supporting the housing ring and defining a clearance therebetween. This clearance can be sealed and maintained by using elastic ring walls disposed between and interconnecting the housing to the supporting ring, so that compensation can be achieved for changes in the clearance during rotation of the propeller shaft.

REFERENCES:
patent: 3413008 (1968-11-01), Greiner
patent: 3625523 (1971-12-01), Gardner et al.
patent: 5356320 (1994-10-01), Von Bergen et al.

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