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    • 7. 发明授权
    • Gas turbine blade
    • 燃气轮机叶片
    • US06227804B1
    • 2001-05-08
    • US09258194
    • 1999-02-26
    • Akinori KogaHiroyuki KawagishiTakanari OkamuraTsuneo HijikataShokou Ito
    • Akinori KogaHiroyuki KawagishiTakanari OkamuraTsuneo HijikataShokou Ito
    • F01D518
    • F01D5/187F05D2260/2212F05D2260/2214
    • A gas turbine blade is provided with a hollow blade effective section and a blade implanted section operatively connected to the blade effective section and the gas turbine blade is formed with: a leading edge passage for guiding a cooling medium from a supply passage of the blade implanted section on a blade leading edge side of the hollow blade effective section; leading edge intermediate passages following the leading edge passage; and a trailing edge passage for guiding the cooling medium from a supply passage of a blade implanted section on a blade trailing edge side of the hollow blade effective section. The leading edge passage being provided with a heat transfer accelerating element which is arranged in a right ascendant state inclined to an advancing flow direction of the cooling medium when supplying the cooling medium from the blade implanted section to a blade tip section side or left (leading edge side) ascendant state from the blade tip section to the blade implanted section. The trailing edge passage being provided with a heat transfer accelerating element which is arranged in a left (trailing edge counter side) ascendant state inclined to the advancing flow direction of the cooling medium when supplying the cooling medium from the blade implanted section to a blade tip section side.
    • 燃气轮机叶片设置有中空叶片有效部分和可操作地连接到叶片有效部分的叶片植入部分,并且燃气轮机叶片形成有:前缘通道,用于从植入的叶片的叶片的供应通道引导冷却介质 在中空叶片有效部分的叶片前缘侧的截面; 在前缘通道之后的前缘中间通道; 以及用于将冷却介质从叶片植入部分的供应通道引导到中空叶片有效部分的叶片后缘侧上的后缘通道。 前缘通道设置有传热加速元件,该传热加速元件沿从冷却介质从叶片植入部分向叶片末端部分侧或左侧(前导)提供冷却介质时沿着冷却介质的前进流动方向倾斜的右上升状态 边缘侧)从叶片尖端部分到叶片植入部分的上升状态。 后缘通道设置有传热促进元件,该传热促进元件布置成在从叶片植入部分将冷却介质供应到叶片尖端时与冷却介质的前进流动方向倾斜的左(后缘相反侧)上升状态 剖面。
    • 8. 发明授权
    • Turbine cooling blade having inner hollow structure with improved cooling
    • 涡轮冷却叶片具有内部中空结构,具有改进的冷却
    • US5533864A
    • 1996-07-09
    • US343956
    • 1994-11-17
    • Hideo NomotoTakanari OkamuraShoko Ito
    • Hideo NomotoTakanari OkamuraShoko Ito
    • F01D5/18F23R3/00
    • F01D5/186F01D5/188F23R3/002F05D2240/81F05D2260/201F05D2260/202F23R2900/03044
    • A turbine cooling blade has a blade body defining an inner hollow portion, an insert core fitted into the inner hollow portion of the blade body with a space therebetween, and a plurality of projections formed on the insert core so as to project towards an inner surface of the blade body. The projections are formed with impingement holes through which cooling air flows from an inside of the insert core towards the space between the insert core and the blade body. The blade body is provided with a plurality of partitioning members partitioning the space into a plurality of sectioned chambers between the insert core and an inner surface of the blade body. The insert core member is formed with a number of impingement holes at portions other than the partitioning members, and the partitioning members extend in a span direction of the blade body. Cooling air flows from an inside of the insert core towards the chambers through the impingement holes, and the blade body is provided with a plurality of film cooling holes each penetrating the blade body from the chambers to an outer atmosphere side of the blade body and extending in a radial direction the blade body.
    • 涡轮冷却叶片具有限定内部中空部分的刀片体,插入到叶片本体的中空部分中的插入芯,其间具有空间;多个突起,其形成在插入芯上,以朝向内表面突出 的刀片体。 突起形成有冲击孔,冷却空气通过该冲击孔从插入芯的内部朝向插入芯和叶片本体之间的空间流动。 叶片体设置有多个分隔构件,其将空间分隔成插入芯和叶片本体的内表面之间的多个分段室。 插入芯构件在除了分隔构件之外的部分处形成有多个冲击孔,并且分隔构件在叶片体的跨度方向上延伸。 冷却空气从插入芯的内部通过冲击孔流向室,并且叶片本体设置有多个薄膜冷却孔,每个薄膜冷却孔从叶片主体的腔室穿过叶片主体的外部空气侧并延伸 在径向方向上的刀片体。