The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 29, 2013
Filed:
Feb. 21, 2007
Shoki Yamashita, Takasago, JP;
Tadao Yashiki, Takasago, JP;
Taku Ichiryu, Akashi, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
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 () mounted detachably on a rotor () of a steam or gas turbine or other machine, a coupling sleeve (), which is fitted on a shaft end portion of a casing penetrating shaft () in the rotor (), includes a taper hole portion (-) which is interference-fitted on a taper shaft portion () of the shaft end portion by a hydraulic pressure, and a straight hole portion (-) having teeth () engaging a plurality of teeth () formed in a straight shaft portion () of the shaft end portion, the taper hole portion (-) and the straight hole portion (-) being located adjacent to each other.