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    • 4. 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。