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公开(公告)号：US10753217B2
公开(公告)日：2020-08-25
申请号：US16379931
申请日：2019-04-10
发明人： Kazuya Nishimura , Eisaku Ito , Koichiro Iida , Kentaro Akimoto
摘要： An axial flow rotating machine has: a rotor with a plurality of rotor blades; a stator with a plurality of stator blades; an axial flow rotating portion defined by the rotor and the stator; and a diffuser connected to the axial flow rotating portion on a downstream side of the axial flow rotating portion. A final blade portion inner-circumferential inner wall, which is a portion of an inner-circumferential inner wall of the axial flow rotating portion, is defined such that a diameter thereof at a trailing edge position of a final blade is smaller than the diameter at a leading edge position of the final blade. In addition, a diameter of all or a portion of a diffuser inner-circumferential inner wall decreases in a direction of the downstream side in an axial direction.
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公开(公告)号：US10107501B2
公开(公告)日：2018-10-23
申请号：US14777685
申请日：2014-03-19
IPC分类号： F23R3/54 , F23R3/14 , F23R3/06 , F23R3/28 , F23C9/00 , F23M20/00 , F23R3/34 , F23R3/44 , F02C3/04 , F02C3/14 , F02C7/18 , F02C7/24 , F23R3/20 , F23R3/24
摘要： An object is to realize combustion flame which can further reduce the amount of NOx generation. A combustor (14) includes a pilot nozzle (40); a plurality of main nozzles (44) arranged apart from the pilot nozzle (40) in the circumferential direction on the outer peripheral side of the pilot nozzle (40) and configured to perform premix combustion; a combustor basket (34) surrounding the pilot nozzle (40) and each main nozzle (44); an outlet outer ring (50) provided at a tip end of the combustor basket (34); and a combustion liner (36) fitted, at an inner surface thereof, onto the outer periphery of the combustor basket (34) and surrounding the outlet outer ring (50). The outlet outer ring (50) is formed parallel to an inner wall surface (66) of the combustion liner (36).
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公开(公告)号：US11661867B2
公开(公告)日：2023-05-30
申请号：US16775559
申请日：2020-01-29
发明人： Hideyuki Uechi , Eisaku Ito
CPC分类号： F01K23/106 , F02C6/18 , F05D2220/72 , F05D2220/76 , F05D2260/2322 , F05D2260/85 , F05D2270/303
摘要： A gas turbine exhaust heat recovery plant includes a plurality of gas turbine exhaust heat recovery devices that have a gas turbine and an exhaust heat recovery boiler for generating steam by recovering exhaust heat of the gas turbine, a steam-utilizing facility that utilizes the steam generated by the exhaust heat recovery boiler, and an inter-device heat medium supply unit capable of supplying a portion of water heated or a portion of the steam generated by at least one of the gas turbine exhaust heat recovery devices out of the plurality of gas turbine exhaust heat recovery devices, to the other gas turbine exhaust heat recovery device.
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公开(公告)号：US10927713B2
公开(公告)日：2021-02-23
申请号：US15554523
申请日：2016-03-10
发明人： Hideyuki Uechi , Eisaku Ito , Hideaki Sugishita , Naoki Hisada
摘要： An intake air cooling device includes a water supply line and a heat pump device. The water supply line is configured to send water to a waste heat recovery boiler which is configured to generate steam using heat of an exhaust gas from a gas turbine. The heat pump device is configured to transfer heat of air suctioned by the gas turbine to water flowing through the water supply line and thereby cool the air while heating the water.
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公开(公告)号：US09567873B2
公开(公告)日：2017-02-14
申请号：US14376035
申请日：2013-02-08
发明人： Motoharu Ueda , Eigo Katou , Eisaku Ito
IPC分类号： F01D9/02 , F01D25/14 , F01D25/30 , F02C7/18 , F01D25/16 , F02C7/20 , F01D9/06 , F01D11/24 , F01D17/02 , F01D21/04
CPC分类号： F01D25/305 , F01D9/02 , F01D9/065 , F01D11/24 , F01D17/02 , F01D21/04 , F01D25/14 , F01D25/162 , F01D25/30 , F02C7/18 , F02C7/20 , F05D2220/32 , F05D2260/941 , F05D2270/303 , F05D2270/804 , F05D2270/821
摘要： In a disc axis adjusting mechanism in a gas turbine, the gas turbine has an exhaust gas diffuser provided between a casing wall and a bearing case which are connected to a downstream side of a turbine, a plurality of struts provided at intervals in a circumferential direction, and strut covers coupling an outer diffuser and an inner diffuser of the exhaust gas diffuser so as to cover the struts, and the mechanism comprises: a plurality of air introduction holes formed in the casing wall so as to allow the interior and exterior of the wall to communicate with each other; a sensor unit configured to detect a parameter corresponding to the thermal elongation of each of the struts; and a flow rate adjustor configured to adjust the flow rate of air flowing through each of the air introduction holes based on a detection value detected by the sensor unit.
摘要翻译： 在燃气轮机的盘轴调整机构中，燃气轮机具有设置在与涡轮的下游侧连接的壳体壁与轴承箱之间的排气扩散器，沿圆周方向间隔设置的多个支柱 以及将排气扩散器的外部扩散器和内部扩散器联接以覆盖支柱的支柱盖，并且该机构包括：形成在壳体壁中的多个空气引入孔，以允许排气扩散器的内部和外部 墙相互沟通; 传感器单元，被配置为检测与每个所述支柱的热伸长相对应的参数; 以及流量调节器，其被配置为基于由所述传感器单元检测到的检测值来调节流过每个所述空气导入孔的空气的流量。
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公开(公告)号：US20150078887A1
公开(公告)日：2015-03-19
申请号：US14376035
申请日：2013-02-08
发明人： Motoharu Ueda , Eigo Katou , Eisaku Ito
CPC分类号： F01D25/305 , F01D9/02 , F01D9/065 , F01D11/24 , F01D17/02 , F01D21/04 , F01D25/14 , F01D25/162 , F01D25/30 , F02C7/18 , F02C7/20 , F05D2220/32 , F05D2260/941 , F05D2270/303 , F05D2270/804 , F05D2270/821
摘要： In a disc axis adjusting mechanism in a gas turbine, the gas turbine has an exhaust gas diffuser provided between a casing wall and a bearing case which are connected to a downstream side of a turbine, a plurality of struts provided at intervals in a circumferential direction, and strut covers coupling an outer diffuser and an inner diffuser of the exhaust gas diffuser so as to cover the struts, and the mechanism comprises: a plurality of air introduction holes formed in the casing wall so as to allow the interior and exterior of the wall to communicate with each other; a sensor unit configured to detect a parameter corresponding to the thermal elongation of each of the struts; and a flow rate adjustor configured to adjust the flow rate of air flowing through each of the air introduction holes based on a detection value detected by the sensor unit.
摘要翻译： 在燃气轮机的盘轴调整机构中，燃气轮机具有设置在与涡轮的下游侧连接的壳体壁与轴承箱之间的排气扩散器，沿圆周方向间隔设置的多个支柱 以及将排气扩散器的外部扩散器和内部扩散器联接以覆盖支柱的支柱盖，并且该机构包括：形成在壳体壁中的多个空气引入孔，以允许排气扩散器的内部和外部 墙相互沟通; 传感器单元，被配置为检测与每个所述支柱的热伸长相对应的参数; 以及流量调节器，其被配置为基于由所述传感器单元检测到的检测值来调节流过每个所述空气导入孔的空气的流量。
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公开(公告)号：US11359552B2
公开(公告)日：2022-06-14
申请号：US16787699
申请日：2020-02-11
发明人： Keita Yunoki , Kei Inoue , Takashi Hiyama , Eisaku Ito
摘要： A control device is a control device for a gas turbine including a plurality of combustors and is configured to select combustors to ignite in accordance with a target load on the basis of a predictor which defines a relationship between a load and the number and arrangement of combustors to ignite and a combustion temperature.
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公开(公告)号：US11125086B2
公开(公告)日：2021-09-21
申请号：US16787210
申请日：2020-02-11
发明人： Tomohiro Ishida , Toshifumi Kanno , Hikaru Kurosaki , Eisaku Ito
摘要： A rotor blade includes a blade body which has an airfoil shape and a shroud 57 which is formed in an end portion of the blade body. The shroud includes a shroud cover and a seal fin which protrudes from the shroud cover toward a radial outside and extends in a direction having a direction component in a circumferential direction. A front end of the seal fin extends in the circumferential direction and a base end of the seal fin extends in a direction having a direction component in the circumferential direction. A part of the seal fin in the circumferential direction forms a shift portion. An axial center position of a base end of the shift portion is different from an axial center position of a front end of the shift portion in the axial direction.
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公开(公告)号：US10760438B2
公开(公告)日：2020-09-01
申请号：US14771913
申请日：2014-03-20
发明人： Kazuya Nishimura , Eisaku Ito , Koichiro Iida , Kentaro Akimoto
摘要： An axial flow rotating machine has: a rotor with a plurality of rotor blades; a stator with a plurality of stator blades; an axial flow rotating portion defined by the rotor and the stator; and a diffuser connected to the axial flow rotating portion on a downstream side of the axial flow rotating portion. A final blade portion inner-circumferential inner wall, which is a portion of an inner-circumferential inner wall of the axial flow rotating portion, is defined such that a diameter thereof at a trailing edge position of a final blade is smaller than the diameter at a leading edge position of the final blade. In addition, a diameter of all or a portion of a diffuser inner-circumferential inner wall decreases in a direction of the downstream side in an axial direction.
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公开(公告)号：US10697311B2
公开(公告)日：2020-06-30
申请号：US15514649
申请日：2015-10-20
发明人： Kazuya Nishimura , Daigo Fujimura , Eisaku Ito , Koichi Ishizaka
摘要： A turbine rotor blade includes an airfoil portion having an airfoil defined by a pressure surface and a suction surface; and a squealer rib on a tip surface of the turbine rotor blade, the squealer rib extending from a leading-edge side (toward a trailing-edge side. The squealer rib has a ridge extending in an extending direction of the squealer rib. The turbine rotor blade is configured to provide a clearance between the tip surface of the turbine rotor blade and an inner wall surface of a casing of a turbine such that the inner wall surface of the casing of the turbine faces the tip surface of the turbine rotor blade and the clearance has a local minimum value on the ridge. The clearance is greater than the local minimum value at both sides of the ridge in a width direction of the squealer rib.
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