Title:
PREMIXED COMBUSTION BURNER, FUEL INJECTOR, AND GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2022/176302
Kind Code:
A1
Abstract:
This premixed combustion burner comprises: an outer tube that has an inlet opening on the first side in the axial direction in which the axis extends and an outlet opening on the second side in the axial direction; an inner tube that is formed in a cylindrical shape extending in the axial direction and spaced inside the outer tube, and forms a film air flow path through which film air flows between the inner tube and the outer tube; and a strut that extends inward from the inner wall surface of the outer tube and supports the inner tube. The end of the inner tube on the first side is located further towards the second side than the inlet opening of the outer tube. The end of the inner tube on the second side is located further towards the first side than the outlet opening of the outer tube. The outer tube, the strut, and the inner tube are formed with a fuel injection flow path for injecting fuel from the outside of the outer tube through the interior of the strut into the inner tube.
Inventors:
FUJIMOTO KIYOSHI (JP)
KAWAKAMI TOMO (JP)
MIYAMOTO KENJI (JP)
MIURA KEISUKE (JP)
FUKUBA SHINICHI (JP)
KAWAKAMI TOMO (JP)
MIYAMOTO KENJI (JP)
MIURA KEISUKE (JP)
FUKUBA SHINICHI (JP)
Application Number:
PCT/JP2021/043486
Publication Date:
August 25, 2022
Filing Date:
November 26, 2021
Export Citation:
Assignee:
MITSUBISHI POWER LTD (JP)
MITSUBISHI HEAVY IND LTD (JP)
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F23R3/28; F02C7/22; F23R3/30
Foreign References:
| US3531937A | 1970-10-06 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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