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:
Sep. 03, 2002
Filed:
Dec. 03, 2001
Applicant:
Inventors:
Tomoyoshi Endo, Hitachi, JP;
Hideaki Kaneda, Hitachinaka, JP;
Yotaro Kimura, Hitachi, JP;
Yasutaka Komatsu, Hitachi, JP;
Tsugio Suzuki, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 9/00 ;
U.S. Cl.
CPC ...
F02C 9/00 ;
Abstract
A control method of a gas turbine provided with a plurality of combustors each of which has a first stage combustion part effecting diffusion combustion and a second stage combustion part effecting premixed combustion, comprises: monitoring a quantity of state representative of the combustion condition of the combustor or gas turbine, and regarding the combustion condition as being abnormal combustion when the quantity of state exceeds an allowable value and lowering gas turbine load to a predetermined partial load, thereby to continue the operation.