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:
Jul. 07, 2009
Filed:
May. 18, 2005
Tadashi Kurihara, Tokyo, JP;
Toshinori Shigenaka, Hiroshima, JP;
Kazuhiro Takenaga, Hiroshima, JP;
Shoji Nagai, Chiba, JP;
Shinichi Taniguchi, Tokyo, JP;
Tadashi Kurihara, Tokyo, JP;
Toshinori Shigenaka, Hiroshima, JP;
Kazuhiro Takenaga, Hiroshima, JP;
Shoji Nagai, Chiba, JP;
Shinichi Taniguchi, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
The Tokyo Electric Power Company, Incorporated, Tokyo, JP;
Babcock-Hitachi K.K., Tokyo, JP;
Abstract
A combined cycle power plant of the present invention is configured of a compressor; a combustor for combusting compressed air compressed by the compressor together with supplied fuel; a gas turbine driven by a combustion gas exhausted from the combustor; a heat recovery steam generator for recovering high temperature exhaust heat exhausted from the gas turbine; a steam turbine driven by steam obtained from the heat recovery steam generator; and an exhaust gas duct having an HRSG inlet duct that is provided between the gas turbine and the heat recovery steam generator and introduces an exhaust passage into the heat recovery steam generator, and a bypass stack that leads the exhaust gas outside, wherein the exhaust duct is configured of a damper, a damper drive for changing any of angle and opening of the damper, and a guide mechanism for preventing a vibration of the damper.