Rotary shaft water seal device in hydraulic machine

Details Rotary shaft water seal device in hydraulic machine Rotary shaft water seal device in hydraulic machine

1982-10-20

1983-08-16

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277148, 277155, 277199, F16J 1526

Patent

active

043987257

ABSTRACT:
A rotary shaft seal device in a hydraulic machine. With the water seal segments in the conventional water seal device, a gap tends to be generated between the inner peripheral surface of the segment packing and the outer peripheral surface of a liner of the rotary shaft due to the wear during use and progressively developed. The present invention contemplates to minimize the gaps between the adjacent segments and guide members interposed between the adjacent segments are solidly secured, whereby the flow rate of water leakage through the segments is reduced and the segments themselves are improved in mechanical strength, so that the segments can be reduced in size and the water seal device itself can be rendered compact in size.

REFERENCES:
patent: 121897 (1871-12-01), Richards
patent: 892978 (1908-07-01), Carter
patent: 3276781 (1966-10-01), Blank
patent: 3738669 (1973-06-01), Andersen et al.

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