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:
Mar. 13, 2012
Filed:
Oct. 27, 2006
Yoshiki Niizeki, Tokyo, JP;
Akio Sayano, Kanagawa-Ken, JP;
Naoki Shibukawa, Saitama-Ken, JP;
Norihisa Saito, Kanagawa-Ken, JP;
Masashi Takahashi, Kanagawa-Ken, JP;
Yoshiki Niizeki, Tokyo, JP;
Akio Sayano, Kanagawa-Ken, JP;
Naoki Shibukawa, Saitama-Ken, JP;
Norihisa Saito, Kanagawa-Ken, JP;
Masashi Takahashi, Kanagawa-Ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A steam turbine includes a bucket implanted in a turbine rotor and a nozzle disposed on an upstream side of the bucket and supported by a turbine casing, in which a plurality of stages, each including the bucket and the nozzle, are arranged axially in the turbine so as to define a steam path. A hydrophilic coating portion is disposed in the entire area or an area of at least one portion of a circumferential surface of the turbine rotor, surfaces of the nozzles, surfaces of the buckets, and an inner circumferential surface of the turbine casing.