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公开(公告)号：US11713683B2
公开(公告)日：2023-08-01
申请号：US17778228
申请日：2021-03-23
发明人： Satoshi Mizukami , Masamitsu Kuwabara , Satoshi Hada , Saki Matsuo , Yoshitaka Uemura , Ryozo Tamura , Yasumasa Kunisada
IPC分类号： F01D5/18
CPC分类号： F01D5/186 , F05D2220/32 , F05D2230/10 , F05D2240/30 , F05D2260/202 , F05D2260/221
摘要： A turbine blade including an airfoil portion having a leading edge, a trailing edge, and a pressure surface and a suction surface extending between the leading edge and the trailing edge. The airfoil portion internally forming a cooling passage, which includes first and second cooling passages, and a plurality of outflow passages each having one end which opens to a merging portion formed by connecting an end portion of the first cooling passage on a side of the trailing edge and an end portion of the second cooling passage on the side of the trailing edge, and another end which opens to the trailing edge. The first cooling passage and the second cooling passage are divided by a partition member disposed in the airfoil portion. The cooling passage includes pressure side pin fins in the first cooling passage, and suction side pin fins in the second cooling passage.
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公开(公告)号：US11867085B2
公开(公告)日：2024-01-09
申请号：US17778974
申请日：2021-03-23
发明人： Satoshi Mizukami , Masamitsu Kuwabara , Satoshi Hada , Saki Matsuo , Yoshitaka Uemura , Ryozo Tamura , Yasumasa Kunisada
IPC分类号： F01D5/18
CPC分类号： F01D5/187 , F05D2220/32
摘要： A turbine blade is provided with an airfoil portion having a leading edge, a trailing edge, and a pressure surface and a suction surface which extend between the leading edge and the trailing edge, the airfoil portion internally forming a cooling passage. The cooling passage includes: a first cooling passage located closer to the pressure surface than the suction surface; and a second cooling passage located closer to the suction surface than the pressure surface. The first cooling passage and the second cooling passage are separated by a partition member disposed in the airfoil portion. At least one communication space connecting the first cooling passage and the second cooling passage is formed in the partition member.
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