Hydraulic detachable coupling

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8360677
APP PUB NO 20090324323A1
SERIAL NO

12304844

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A hydraulic detachable coupling, which can transmit rated torque in a manner stable to vibrations, and can fully withstand abnormal torque. For this purpose, in a hydraulic detachable coupling (4) mounted detachably on a rotor (1) of a steam or gas turbine or other machine, a coupling sleeve (4b), which is fitted on a shaft end portion of a casing penetrating shaft (2) in the rotor (1), includes a taper hole portion (4b-a) which is interference-fitted on a taper shaft portion (2a) of the shaft end portion by a hydraulic pressure, and a straight hole portion (4b-b) having teeth (13) engaging a plurality of teeth (12) formed in a straight shaft portion (2b) of the shaft end portion, the taper hole portion (4b-a) and the straight hole portion (4b-b) being located adjacent to each other.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HITACHI POWER SYSTEMS LTDYOKOHAMA-SHI KANAGAWA 220-8401

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ichiryu, Taku Akashi, JP 31 726
Yamashita, Shoki Takasago, JP 9 78
Yashiki, Tadao Takasago, JP 10 250

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