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. 06, 2000
Filed:
Nov. 24, 1997
Yasunori Iwai, Yokohama, JP;
Hiroaki Okamoto, Yokohama, JP;
Fukuo Maeda, Machida, JP;
Masao Itoh, Yokohama, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A gas turbine combustor comprises: an outer casing; a combustor inner cylinder disposed inside the outer casing; a combustion chamber formed in the combustor inner cylinder; a pilot fuel injection unit disposed to a head side portion of the combustion chamber, the pilot fuel injection unit comprising a first premixing combustion nozzle unit, a diffusing combustion nozzle unit and a second premixing combustion nozzle unit, the first premixing combustion nozzle unit being arranged at a central portion of the head side portion of the combustion chamber, the diffusing combustion nozzle unit being arranged so as to coaxially surround an outside of the first premixing combustion nozzle unit and the second premixing combustion nozzle unit being arranged so as to coaxially surround an outside of the diffusing combustion nozzle unit, respectively; and a premixing combustion chamber disposed to an outlet side of the first premixing combustion nozzle unit so as to be communicated with the combustion chamber. There may be further disposed a main premixing fuel injection unit to an outside of the second premixing combustion nozzle unit.