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    • 2. 发明申请
    • TURBINE BLADE ROOT WITH MICROCIRCUIT COOLING PASSAGES
    • 涡轮叶片带微型冷却通道
    • WO2014025440A2
    • 2014-02-13
    • PCT/US2013/041776
    • 2013-05-20
    • UNITED TECHNOLOGIES CORPORATION
    • BEATTIE, Jeffrey S.JACQUES, Jeffrey MichaelPIGGUSH, Justin D.
    • F01D5/187B22C9/04B22C9/103F05D2230/211F05D2260/204Y02T50/676Y10T29/49316
    • A method of fabricating an airfoil includes the steps of fabricating a first core including a first plurality of ribs defining a first plurality of passages of a completed airfoil, and fabricating as second core including a second plurality of ribs defining a second plurality of passages of the completed airfoil. The second plurality of ribs includes a plurality of standoffs. The plurality of standoffs set a spacing between the first plurality of ribs and the second plurality of ribs to define a spacing between the first plurality of channels and the second plurality of channels of the completed airfoil. The airfoil is then molded about the core assembly. Once completed, the core assembly is removed to provide a completed airfoil incorporating multiple microcircuits with a desired stability and structural integrity.
    • 一种制造翼型的方法包括以下步骤:制造第一芯,其包括限定完成的翼型件的第一多个通道的第一多个肋,并且制造为第二芯,该第二芯包括限定第二多个通路的第二多个肋 完成机翼。 第二多个肋包括多个支座。 所述多个支座在所述第一多个肋与所述第二多个肋之间设置间隔,以限定所述第一多个通道与所述完整翼型的所述第二多个通道之间的间隔。 然后将翼型件围绕芯组件成型。 一旦完成,移除芯组件以提供具有期望的稳定性和结构完整性的并入多个微电路的完整翼型件。
    • 10. 发明申请
    • TURBINE BLADE ROOT PROFILE
    • 涡轮叶片轮廓
    • WO2014099082A2
    • 2014-06-26
    • PCT/US2013/061920
    • 2013-09-26
    • UNITED TECHNOLOGIES CORPORATION
    • BEATTIE, Jeffrey S.JACQUES, Jeffrey Michael
    • F01D5/30F01D5/18F01D5/3007
    • A turbine blade for a gas turbine engine includes an airfoil that extends in a first radial direction from a platform. A root extends from the platform in a second radial direction and has opposing lateral sides that provide a firtree-shaped contour. The contour includes first, second and third lobes on each of the lateral sides and that tapers relative to the radial direction away from the platform. The first, second and third lobes each provide contact surfaces arranged at about 45° relative to the radial direction. A contact plane on each lateral side at an angle of about 11° relative to the radial direction defining a contact point on each of the contact surfaces. The first, second and third lobes each include first, second and third grooves that are substantially aligned with one another along an offset plane spaced a uniform offset distance from the contact plane.
    • 用于燃气涡轮发动机的涡轮机叶片包括从平台沿第一径向方向延伸的翼型件。 根部在第二径向方向上从平台延伸并且具有相对的侧向侧面,该侧面侧面提供保持曲面的轮廓。 轮廓包括在每个侧面上的第一,第二和第三凸角,并且相对于远离平台的径向方向逐渐变细。 第一,第二和第三叶片各自提供相对于径向方向布置成大约45°的接触表面。 在每个侧面上的接触平面相对于径向方向以约11°的角度限定每个接触表面上的接触点。 第一,第二和第三凸耳各自包括第一,第二和第三凹槽,其沿着与接触平面间隔开均匀偏移距离的偏移平面彼此基本对准。