Shaft device and a method of cooling a shaft device

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United States of America Patent

PATENT NO 5971010
SERIAL NO

08983257

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Abstract

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A shaft device for a valve, comprises a shaft supported in a bearing and extending into a relatively warm space, a sleeve provided between the shaft and the bearing, and cooling channels arranged in the border area between the shaft and the sleeve for cooling of the bearing, and wherein the axial length of the sleeve is longer than the axial length of the bearing.

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Patent Owner(s)

Patent OwnerAddress
ABB CARBON ABSWEDISH FINSPUN FINSPANG OSTERGOTLAND

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kallberg, Lars Finsp.ang.ng, SE 3 8
Schliephacke, Frank Norrkoping, SE 2 6

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