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    • 3. 发明授权
    • Cooled rotor blade and method for cooling a rotor blade
    • 冷却转子叶片和冷却转子叶片的方法
    • US07186082B2
    • 2007-03-06
    • US10855010
    • 2004-05-27
    • Dominic J. Mongillo, Jr.Shawn J. Gregg
    • Dominic J. Mongillo, Jr.Shawn J. Gregg
    • F01D5/18
    • F01D5/187F05D2260/221F05D2260/22141
    • A rotor blade and a method for cooling a rotor blade are provided. The rotor blade includes a root and a hollow airfoil having a cavity defined by suction side wall, a pressure side wall, a leading edge, a trailing edge, a base, and a tip. An internal passage configuration is disposed within the cavity. The configuration includes a serpentine passage having at least three radial segments connected to one another, an axially extending passage disposed between the tip and the serpentine passage, at least one aperture extending between the last radial segment and the axially extending passage, and one or more sink apertures disposed within one of the suction side wall or the pressure side wall of the last radial segment of the serpentine passage. At least one conduit is disposed within the root. The conduit is operable to permit airflow through the root and into the internal passage configuration.
    • 提供了一种用于冷却转子叶片的转子叶片和方法。 转子叶片包括根部和具有由吸力侧壁,压力侧壁,前缘,后缘,基部和尖端限定的空腔的中空翼型件。 内部通道构造设置在空腔内。 该构造包括具有至少三个彼此连接的径向段的蛇形通道,设置在尖端和蛇形通道之间的轴向延伸的通道,在最后的径向段和轴向延伸通道之间延伸的至少一个孔,以及一个或多个 设置在蛇形通道的最后一个径向段的吸入侧壁或压力侧壁之一内的吸入孔。 至少一根导管设置在根部内。 管道可操作以允许气流通过根部并进入内部通道构造。
    • 5. 发明授权
    • Cooled rotor blade with vibration damping device
    • 具有减振装置的冷却转子叶片
    • US07125225B2
    • 2006-10-24
    • US10771587
    • 2004-02-04
    • Raymond C. SuraceEdwin OteroShawn J. GreggTracy A. Propheter
    • Raymond C. SuraceEdwin OteroShawn J. GreggTracy A. Propheter
    • F01D5/16
    • F01D5/16F01D5/187F05D2250/71Y10S416/50
    • A rotor blade for a rotor assembly is provided that includes a root, an airfoil, and a damper. The airfoil has a length, a base, a tip, a first side wall, a second side wall, and at least one cavity. The length extends the base and the tip. The at least one cavity is disposed between the side walls, and the channel is defined by a first wall portion and a second wall portion. The damper, which is selectively received within the channel, includes a first bearing surface, a second bearing surface, a forward surface, and an aft surface, all of which extend lengthwise. At least one of the surfaces is shaped to form a lengthwise extending passage within the channel. The passage has a flow direction oriented along the length of the at least one surface to permit cooling air travel along the at least one surface in a lengthwise direction. According to one aspect of the present invention, the damper has an arcuate lengthwise extending centerline.
    • 提供了一种用于转子组件的转子叶片,其包括根部,翼型件和阻尼器。 翼型件具有长度,底座,尖端,第一侧壁,第二侧壁和至少一个空腔。 长度延长基部和尖端。 所述至少一个空腔设置在所述侧壁之间,并且所述通道由第一壁部分和第二壁部分限定。 选择性地容纳在通道内的阻尼器包括第一支承表面,第二支承表面,前表面和后表面,所有这些都沿纵向延伸。 至少一个表面被成形为在通道内形成纵向延伸的通道。 通道具有沿着至少一个表面的长度方向定向的流动方向,以允许冷却空气沿长度方向沿着至少一个表面行进。 根据本发明的一个方面,阻尼器具有弓形的纵向延伸的中心线。