Steam valve and steam turbine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9777843
APP PUB NO 20160109026A1
SERIAL NO

14893904

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A steam valve includes a valve body having a valve seat in a steam channel, a valve stem configured to close the steam channel by coming in contact with the valve seat and to open the steam channel by moving from the valve seat and a guide portion configured to slidably guide the valve stem in a moving direction thereof. The guide portion has a guide body that encloses the valve stem from a radial outer side of the valve stem and a guide bush that is detachably fixed inside the guide body, has an inner surface which abuts and slides on an outer circumferential surface of the valve stem, and is formed of a material having corrosion resistance.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION34-6 SHIBA 5-CHOME MINATO-KU TOKYO 108-0014

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawamura, Yasuhiko Hiroshima, JP 5 286

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