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:
Aug. 28, 2001
Filed:
May. 21, 1999
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
The present invention is characterized in controlling the amount of cooling steam supplied to high temperature parts,in accordance with the dynamic characteristics of exhaust heat recovery boiler,when the load on gas turbine,C is changing, in a gas turbine steam cooling system provided with an exhaust heat recovery boiler,for operating gas turbine,C and generating steam using the exhaust heat from gas turbine,C, the combined cycle plant being controlled by driving the steam turbines,by directing a steam line from exhaust heat recovery boiler,to steam turbines,cooling high temperature parts,of gas turbine,C by branching the steam line from exhaust heat recovery boiler,and returning the cooled steam to the steam line.