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    • 1. 发明授权
    • Gas turbine moving blade platform
    • 燃气轮机动叶片平台
    • US06190130B1
    • 2001-02-20
    • US09255793
    • 1999-02-23
    • Ichiro FukueEiji AkitaKiyoshi SuenagaYasuoki Tomita
    • Ichiro FukueEiji AkitaKiyoshi SuenagaYasuoki Tomita
    • F01D518
    • F01D5/187F05D2240/81
    • A gas turbine moving blade platform having a simplified platform cooling structure. A cooling effect of the platform side end portions is increased resulting in uniform cooling of the entire platform. Cooling passages (2, 3) are bored in the platform (1) front portion so as to communicate with a cooling air passage (52) of the moving blade (51) and open at both platform side end surfaces. The openings are closed by inserting covers (2a, 2b) therein. Cooling passages (6, 4) are bored in platform (1) side end portions so as to communicate with the front end cooling passages (2, 3), respectively, and open in the platform rear end surface. A plurality of cooling holes (5) are bored so as to communicate with the cooling passage (4) and open at the platform side end surface. Thus, the entire platform is cooled uniformly and the platform side portions are cooled by the cooling holes (5) so that an effective cooling performance is ensured and also the workability of the cooling lines is enhanced.
    • 具有简化的平台冷却结构的燃气轮机动叶片平台。 平台侧端部的冷却效果增加,导致整个平台的均匀冷却。 在平台(1)的前部分中钻出冷却通道(2,3),以便与活动叶片(51)的冷却空气通道(52)连通并在两个平台侧端面处打开。 通过将盖(2a,2b)插入其中来封闭开口。 平台(1)的侧端部分分别将冷却通道(6,4)与前端冷却通道(2,3)连通,并在平台后端面开口。 多个冷却孔(5)钻孔,以与冷却通道(4)连通并在平台侧端面打开。 因此,整个平台被均匀地冷却,并且平台侧部分被冷却孔(5)冷却,从而确保了有效的冷却性能,并且还提高了冷却管线的可加工性。
    • 2. 发明授权
    • Gas turbine moving blade
    • 燃气轮机动叶片
    • US6152695A
    • 2000-11-28
    • US243821
    • 1999-02-03
    • Ichiro FukueEiji AkitaKiyoshi SuenagaYasuoki Tomita
    • Ichiro FukueEiji AkitaKiyoshi SuenagaYasuoki Tomita
    • F01D5/18F01D5/20F01D5/22
    • F01D5/187F01D5/225F05D2240/81F05D2260/22141
    • In a gas turbine moving blade 1, the convection of cooling air is promoted to enhance the heat transfer rate, the cooling effect of a shroud 2 is enhanced and the entire cooling effect of the blade is enhanced. An inner cavity 10 is formed in the blade over the entire length thereof. A multiplicity of pin fins 5 are provided in the inner cavity, being fixed to wall thereof. An enlarged cavity 6 is formed in the shroud 2 of a terminal end of the blade 1. Cooling air entering the inner cavity 10 of the blade 1 flows into the enlarged cavity 6 and flows out of the shroud 2 downwardly through holes 7 of a peripheral portion of the enlarged cavity 6. The entire portion of the shroud 2 is cooled uniformly, and the cooling effect of the entire blade is enhanced by an enhanced heat transfer rate in the blade and by uniform cooling of the entire shroud.
    • 在燃气轮机动叶片1中,促进冷却空气的对流,提高传热速度,提高护罩2的冷却效果,提高叶片的整体冷却效果。 在叶片的整个长度上形成内腔10。 多个销翅片5设置在内腔中,固定在其壁上。 在叶片1的末端的护罩2中形成有扩大的空腔6.进入叶片1的内腔10的冷却空气流入扩大空腔6,并通过周边的孔7向下流出护罩2 扩大的腔体6的部分。护罩2的整个部分被均匀地冷却,并且整个刀片的冷却效果通过增加叶片中的传热速率和整个护罩的均匀冷却来增强。
    • 4. 发明授权
    • Gas turbine moving blade platform
    • 燃气轮机动叶片平台
    • US06196799B1
    • 2001-03-06
    • US09252064
    • 1999-02-18
    • Ichiro FukueEiji AkitaKiyoshi SuenagaYasuoki TomitaKoji Watanabe
    • Ichiro FukueEiji AkitaKiyoshi SuenagaYasuoki TomitaKoji Watanabe
    • F01D518
    • F01D5/187F01D5/186F05D2240/81
    • A gas turbine moving blade platform having a simplified cooling structure for effecting uniform cooling of the platform. The platform (1) includes cavities (2, 3, 4) and an impingement plate (11) provided below the cavities (2, 3, 4). A cooling hole (5) communicates with cavity (2), cooling hole (6) communicated with cavity (3) and cooling holes (7, 8) communicate with cavity (4) and all of the cooling holes pass through the platform (1) at an inclined angle. Cooling air (70) flows into the cavities (2, 3, 4) through holes (12) in the impingement plate (11) for effecting impingement cooling of platform (1) plane portion. The cooling air (70) further flows through the cooling holes (5, 6, 7) to blow outside angularly upward for cooling peripheral portions of the platform. Thus, the platform is cooled uniformly, no lengthy and complicated cooling passage is provided, and workability is enhanced.
    • 一种具有简化冷却结构的燃气轮机动叶片平台,用于实现平台的均匀冷却。 平台(1)包括空腔(2,3,4)和设置在空腔(2,3,4)下方的冲击板)。 冷却孔(5)与空腔(2)连通,与空腔(3)连通的冷却孔(6)和冷却孔(7,8)与空腔(4)连通,所有的冷却孔都通过平台 )。 冷却空气(70)通过冲击板(11)中的孔(12)流入空腔(2,3,4),以实现平台(1)平面部分的冲击冷却。 冷却空气(70)进一步流过冷却孔(5,6,7)以向外侧向外侧吹出以冷却平台的周边部分。 因此,平台被均匀地冷却,没有设置冗长且复杂的冷却通道,并且可加工性得到提高。
    • 7. 发明授权
    • Gas turbine rotor blade
    • 燃气轮机转子叶片
    • US6099253A
    • 2000-08-08
    • US203680
    • 1998-12-01
    • Ichiro FukueEiji AkitaKiyoshi SuenagaYasuoki Tomita
    • Ichiro FukueEiji AkitaKiyoshi SuenagaYasuoki Tomita
    • F01D5/18F01D5/20F02C7/18
    • F01D5/225F01D5/187Y02T50/676
    • A gas turbine rotor blade has a plurality of first cooling holes for the flow of a cooling gas bored in a blade portion along its lengthwise direction and a plurality of second cooling holes for flow of the cooling gas bored in a shroud along its plane direction so as to communicate with the first cooling holes, and is constructed such that the cooling gas can flow in a uniform distribution. The plurality of the first cooling holes 3 for flow of the cooling gas are bored in the blade portion 2 and the plurality of the second cooling holes 5 for flow of the cooling gas are bored in the shroud 1 along its plane direction. The second cooling holes 5 communicate with the first cooling holes 3, hole to hole, via two-step holes 4, and the second cooling holes 5 are bored alternately on the dorsal side and the ventral side of the rotor blade.
    • 燃气轮机转子叶片具有多个第一冷却孔,用于沿其长度方向在叶片部分中钻出的冷却气体的流动,以及多个用于沿着其平面方向在护罩中钻出的冷却气体的流动的第二冷却孔, 与第一冷却孔连通,并且被构造成使得冷却气体能够以均匀的分布流动。 多个用于冷却气体流动的第一冷却孔3在叶片部分2中钻孔,并且用于冷却气体流动的多个第二冷却孔5沿其平面方向在护罩1中钻孔。 第二冷却孔5通过两步孔4与第一冷却孔3,孔对孔连通,第二冷却孔5在转子叶片的背侧和腹侧交替地钻孔。
    • 8. 发明授权
    • System for cooling blades in a gas turbine
    • 用于在燃气轮机中冷却叶片的系统
    • US6065282A
    • 2000-05-23
    • US960466
    • 1997-10-29
    • Ichiro FukueEiji AkitaYasuoki Tomita
    • Ichiro FukueEiji AkitaYasuoki Tomita
    • F02C7/18F02G3/00F02C5/00
    • F02C7/185F05D2260/205
    • A gas turbine comprises: a first closed circuit in which cooling gas is supplied to a casing, allowed to pass through stationary blades, and removed to the outside of casing after cooling the stationary blades; a second closed circuit in which cooling air is supplied to the casing, allowed to pass through moving blades, and removed to the outside of casing after cooling the moving blades; a cooler for cooling the cooling gas in the first and second closed circuits; and a booster for pressurizing and circulating the cooling gas cooled by the cooler.Also, A gas turbine comprises: a first closed circuit in which cooling air cooled after being extracted from a combustor plenum is allowed to pass through stationary blades successively to cool the stationary blades, and then recovered and returned to a compressor on the upstream side of the combustor plenum; and a second closed circuit in which cooling air cooled after being extracted from the combustor plenum is allowed to pass through moving blades successively to cool the moving blades, and then recovered and returned to the compressor.
    • 燃气轮机包括:第一闭合回路,其中冷却气体被供给到壳体,允许其通过固定叶片,并且在冷却固定叶片之后被移除到壳体外部; 第二闭合回路,其中冷却空气被供给到壳体,允许通过动叶片,并且在冷却动叶片之后被移除到壳体外部; 用于冷却第一和第二闭合回路中的冷却气体的冷却器; 以及用于对由冷却器冷却的冷却气体进行加压和循环的增压器。 此外,A燃气轮机包括:第一闭合回路,其中在从燃烧室增压室抽出之后冷却的冷却空气被允许依次通过固定叶片以冷却固定叶片,然后回收并返回到压缩机的上游侧 燃烧室增压室; 以及第二闭合回路,其中冷却从冷却室抽出的冷却空气被连续通过运动叶片以冷却动叶片,然后回收并返回压缩机。
    • 10. 发明授权
    • Combined cycle power plant with fuel reformer
    • 燃料重整器联合循环发电厂
    • US06260348B1
    • 2001-07-17
    • US09285066
    • 1999-04-02
    • Hideaki SugishitaHidetaka MoriIchiro FukueKazuo Uematsu
    • Hideaki SugishitaHidetaka MoriIchiro FukueKazuo Uematsu
    • F02C618
    • F01K23/10Y02E20/16Y02E20/344
    • Provided is turbine plant using methanol as fuel in which working fluid is compressed by compressor 1 and led into combustor 2. A mixture of H2 and CO2 as fuel added with O2 is burned to generate high temperature gas, which works at high temperature turbine 3, flows through heat exchangers 4, 5 and returns partly to the compressor 1 and enters partly low pressure turbine 7 of bottoming system to work. Condensed water from condenser 9 of the bottoming system is pressurized by pressure pump 10 and flows through the heat exchangers 4, 5 to become high temperature steam and to work at high pressure turbine 6. Exhaust gas thereof is mixed into the combustor 2. A mixture of methanol and water is supplied into reformer 13 to absorb heat from the heat exchanger 4 to be reformed into H2 and CO2, which is supplied into the combustor 2. A high temperature portion of the high temperature turbine 3 is cooled by cooling medium extracted from compressor 1 outlet and high pressure turbine 6 outlet thereby reliability of the high temperature turbine 3 is enhanced.
    • 提供了使用甲醇作为燃料的涡轮机组,其中工作流体被压缩机1压缩并被引导到燃烧器2中。作为添加有O2的燃料的H 2和CO 2的混合物被燃烧以产生在高温涡轮机3工作的高温气体, 流过热交换器4,5,并部分返回到压缩机1并进入底部系统的部分低压涡轮机7工作。 底部系统的冷凝器9的冷凝水由压力泵10加压,流过热交换器4,5,成为高温蒸汽,并在高压汽轮机6工作。其废气混入燃烧器2中。混合物 的甲醇和水被供给到重整器13中以从热交换器4吸收热量,以将其重新形成为供应到燃烧器2中的H 2和CO 2。高温涡轮3的高温部分由从 压缩机1出口和高压涡轮机6出口,从而提高高温涡轮机3的可靠性。