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:
Jun. 18, 1991
Filed:
Aug. 04, 1989
Isao Sato, Hitachi, JP;
Seiichi Kirikami, Hitachi, JP;
Akira Shimura, Hitachi, JP;
Fumiyuki Hirose, Hitachi, JP;
Hiroshi Inose, Hitachi, JP;
Haruo Urushidani, Hitachi, JP;
Osamu Arai, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A device for detecting combustion conditions in a plurality of combustors in a gas-turbine apparatus which includes the combustors and a gas turbine driven by combustion gas from the combustors, comprises a plurality of sensors for measuring concentration of unburnt component in the combustion gas, which is disposed on the downstream side of the gas turbine, a unit for obtaining a distribution pattern of the measured concentration and for investigating the obtained distribution pattern to detect combustion conditions in the combustors.