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.

Date of Patent:
Apr. 17, 2018

Filed:

Feb. 25, 2014
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Tadayuki Hashidate, Sagamihara, JP;

Junichi Tominaga, Yokohama, JP;

Shinichiro Ohashi, Ota-ku, JP;

Assignee:

KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/32 (2006.01); F01D 9/04 (2006.01); F01D 5/28 (2006.01);
U.S. Cl.
CPC ...
F01D 9/04 (2013.01); F01D 5/28 (2013.01); F01D 9/042 (2013.01); F01D 25/32 (2013.01); F05D 2220/31 (2013.01); F05D 2230/232 (2013.01);
Abstract

A steam turbineaccording to an embodiment includes: a casinghaving a turbine rotor; a diaphragm outer ringarranged at an inner side of the casing, and having a hollow partinside thereof; a diaphragm inner ringarranged at an inner side of the diaphragm outer ring; and a stationary bladejoined to the diaphragm outer ringby welding and supported between the diaphragm outer ringand the diaphragm inner ring. A non-joint partexisting at a part of a joint partbetween the diaphragm outer ringand the stationary blade, and in which an end part at an outer diameter side of the stationary bladeis not welded to the diaphragm outer ring; and a suction partcollecting waterdroplet or a water film from the non-joint partare included.


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