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:
Dec. 26, 2017
Filed:
Jun. 26, 2014
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Naoki Shibukawa, Saitama, JP;
Tomohiko Tsukuda, Yokohama, JP;
Junichi Tominaga, Yokohama, JP;
Shinichiro Ohashi, Ota-ku, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Abstract
A steam turbineaccording to an embodiment includes rotor bladesimplanted to a turbine rotor, stationary bladesmaking up a turbine stage together with the rotor blades, diaphragm outer ringsincluding an annular extending partsurrounding a periphery of the rotor blades, and supporting the stationary blades, and diaphragm inner ringssupporting the stationary blades. The steam turbinefurther includes an annular slitformed at an inner surface of the diaphragm outer ringbetween the stationary bladesand the rotor bladesalong a circumferential direction, and communication holesprovided in plural at an outer surface of the diaphragm outer ringalong the circumferential direction, communicated to the annular slitfrom the outer surface side, and communicated to an exhaust chamber sucking water films via the annular slit