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    • 8. 发明申请
    • APPARATUS, SYSTEMS AND METHODS FOR COOLING THE PLATFORM REGION OF TURBINE ROTOR BLADES
    • 用于冷却涡轮转子叶片平台区域的装置,系统和方法
    • US20120107135A1
    • 2012-05-03
    • US12915501
    • 2010-10-29
    • John Wesley Harris, JR.Daniel Howard TragesserAnthony Louis Giglio
    • John Wesley Harris, JR.Daniel Howard TragesserAnthony Louis Giglio
    • F01D5/18B23P15/02
    • F01D5/186F01D5/187F05D2240/81F05D2260/202Y02T50/676Y10T29/49341
    • A platform cooling arrangement in a turbine rotor blade having a platform at an interface between an airfoil and a root, wherein the rotor blade includes an interior cooling passage that extends to the approximate radial height of the platform, and wherein, a pressure side of the platform comprises a planar topside that extends circumferentially from the airfoil to a pressure side slashface, and a suction side of the platform comprises a substantially planar topside that extends circumferentially from the airfoil to a suction side slashface. The platform cooling arrangement may include a linear plenum residing just inboard of the planar topside and linearly extending through the platform from either the pressure side slashface or the suction side slashface to a connection with the interior cooling passage, the linear plenum having a longitudinal axis that is approximately parallel to the planar topside; and a plurality of cooling apertures linearly extending from a topside outlet formed on the topside of the platform to a connection with the linear plenum, wherein the cooling apertures are configured such that each forms an acute angle with the topside of the platform.
    • 涡轮转子叶片中的平台冷却装置,其具有在翼型件和根部之间的界面处的平台,其中转子叶片包括延伸到平台的近似径向高度的内部冷却通道,并且其中, 平台包括从翼型件到圆周方向延伸到压力侧斜面的平面顶面,并且平台的吸力侧包括从翼型件周向延伸到吸力侧斜面的基本平坦的顶侧。 平台冷却装置可以包括位于平坦顶侧的刚好内侧并且从压力侧斜面或吸力侧斜面直线延伸穿过平台的线性增压室到与内部冷却通道的连接,线性增压室具有纵向轴线, 大致平行于平面顶面; 以及多个冷却孔,其从形成在所述平台顶部上的顶部出口线性地延伸到与所述线性压力室的连接,其中所述冷却孔配置成使得每个与所述平台的顶侧形成锐角。
    • 9. 发明申请
    • APPARATUS AND METHODS FOR COOLING PLATFORM REGIONS OF TURBINE ROTOR BLADES
    • 用于冷却涡轮转子叶片平台区域的装置和方法
    • US20120107134A1
    • 2012-05-03
    • US12915477
    • 2010-10-29
    • John Wesley Harris, JR.Craig Allen BielekScott Edmond EllisXiaoyong Fu
    • John Wesley Harris, JR.Craig Allen BielekScott Edmond EllisXiaoyong Fu
    • F01D5/18B23P15/02
    • F01D5/081F01D5/18F05D2240/81F05D2260/22141Y02T50/676
    • A platform cooling arrangement in a turbine rotor blade having a platform at an interface between an airfoil and a root, wherein the rotor blade includes an interior cooling passage that extends from a connection at the root to the approximate radial height of the platform, wherein, the interior cooling passage comprises a high-pressure coolant region and a low-pressure coolant region, and wherein a pressure side of the platform comprises a topside extending circumferentially from the airfoil to a pressure side slashface. The platform cooling arrangement may include: a platform cavity formed within the pressure side of the platform, a high-pressure connector that connects the platform cavity to the high-pressure coolant region of the interior cooling passage; a low-pressure connector that connects the platform cavity to the low-pressure coolant region of the interior cooling passage; and a pin bank formed within the platform cavity that includes radial pins.
    • 涡轮转子叶片中的平台冷却装置,其具有在翼型件和根部之间的界面处的平台,其中所述转子叶片包括从根部的连接部延伸到所述平台的近似径向高度的内部冷却通道, 内部冷却通道包括高压冷却剂区域和低压冷却剂区域,并且其中平台的压力侧包括从翼面周向延伸到压力侧斜面的顶侧。 平台冷却装置可以包括:形成在平台的压力侧内的平台空腔,将平台空腔连接到内部冷却通道的高压冷却剂区域的高压连接器; 将平台腔连接到内部冷却通道的低压冷却剂区域的低压连接器; 以及形成在所述平台腔内的销排,所述销组包括径向销。