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    • 6. 发明授权
    • Cooled turbine blade and method for cooling a turbine blade
    • 冷却涡轮叶片和冷却涡轮叶片的方法
    • US09127560B2
    • 2015-09-08
    • US13308927
    • 2011-12-01
    • Matthew Durham CollierAnthony Louis GiglioGayathri Puram
    • Matthew Durham CollierAnthony Louis GiglioGayathri Puram
    • F01D5/08F01D5/18F01D5/22
    • F01D5/187F01D5/225F05D2260/201F05D2260/204F05D2260/205F05D2260/2214Y02T50/673Y02T50/676
    • A cooled turbine blade comprises a root for fixing the blade to rotor, an airfoil extending along a radial axis from the root, and a tip shroud disposed at a radially outward end of the airfoil. The tip shroud extends in a circumferential direction from the airfoil and defines, within itself, a core plenum and a peripheral plenum. The airfoil defines an aft airfoil cooling passage that extends radially through the airfoil proximate a trailing edge portion of the airfoil. The airfoil also defines an aft cooling inlet for providing an aft stream of cooling fluid to the aft airfoil cooling passage. The airfoil also defines at least one aft cooling exit for discharging the aft stream of cooling fluid from the aft airflow cooling passage to the peripheral plenum. The tip shroud defines at least one peripheral plenum vent for discharging the aft stream of cooling fluid.
    • 冷却的涡轮叶片包括用于将叶片固定到转子的根部,沿着径向轴线从根部延伸的翼型件,以及设置在翼型件的径向向外端部处的尖端护罩。 尖端护罩从翼型件在圆周方向上延伸,并且在其本身内限定出一个内部集气室和一个周边通风室。 翼型件限定了靠近翼型件的后缘部分的径向延伸穿过翼型件的后翼型件冷却通道。 翼型件还限定了一个后部冷却入口,用于向后翼型冷却通道提供冷却流体的后部流。 翼型件还限定至少一个后冷却出口,用于将后流冷却流体从尾气流冷却通道排出到周边通风室。 尖端罩限定了至少一个周边通风口,用于排出冷却流体的后部流。
    • 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。