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    • 3. 发明公开
    • Turbine blade and turbine with improved sealing
    • Turbinenschaufel und Turbine mit verbesserter Abdichtung
    • EP2832952A1
    • 2015-02-04
    • EP13178679.0
    • 2013-07-31
    • ALSTOM Technology Ltd
    • Simon-Delgado, CarlosDidion, ChristophBiedermann, StefanVon Arx, BeatZierer, Thomas
    • F01D5/08F01D11/00F01D5/14
    • F01D25/12F01D5/081F01D5/142F01D5/147F01D11/001F01D11/005F05D2260/941
    • The disclosure pertains to a turbine with a gas turbine blade (1) and a rotor heat shield (7) for separating a space region through which hot working medium flows from a space region inside a rotor arrangement of the turbine. The rotor heat shield (7) comprises a platform which forms an axial heat shield section (14) and which is arranged substantially parallel to the surface of a rotor (6) and a radial heat shield section (15) at the upstream end of the axial heat shield section (14), which is extending in a direction away from the surface of the axial heat shield section (14) towards the hot gas. Further the turbine comprises a blade rear cavity (16) which is delimited by the downstream end of the platform (2) and/or the downstream end of the blade foot (4), the radial heat shield section (15).
      The disclosure further refers to a gas turbine blade (1) and a rotor heat shield (7) designed for such a turbine.
    • 本发明涉及具有燃气轮机叶片(1)和转子隔热罩(7)的涡轮机,用于分离热工作介质从涡轮机的转子装置内的空间区域流过的空间区域。 转子隔热罩(7)包括形成轴向隔热部分(14)的平台,该平台基本平行于转子(6)的表面和径向隔热部分(15)布置在 轴向隔热部分(14),其沿远离轴向隔热部分(14)的表面的方向朝向热气体延伸。 此外,涡轮机包括由平台(2)的下游端和/或叶片支脚(4)的下游端,径向隔热部分(15)限定的叶片后腔(16)。 本发明还涉及为这种涡轮设计的燃气轮机叶片(1)和转子隔热罩(7)。
    • 5. 发明公开
    • Stationary gas turbine arrangement and method for performing maintenance work
    • StationäreGasturbinenmotor und Verfahren zurDurchführungvon Instandhaltungsarbeit
    • EP2692995A1
    • 2014-02-05
    • EP13176972.1
    • 2013-07-18
    • Alstom Technology Ltd
    • Von Arx, BeatBrandl, Herbert
    • F01D9/04
    • F01D5/005F01D9/042Y10T29/49229
    • Stationary gas turbine arrangement with at least one turbine stage (6) comprising at least a first row of vanes (1) being mounted at a stationary component (13) arranged radially outside of the first row of vanes (1) and extending radially into an annular entrance opening (5) of the turbine stage (6) facing a downstream end of a combustor (4), wherein the stationary component (13) provides for each vane (1) a radially orientated through-hole (19) designed and arranged for a radial insertion and removal of the vane (1), and each of said vanes (1) comprises an airfoil (1') having at its one end directed radially outwards a contour (23) being adapted to close the through-hole (19) airtight by a detachable fixation means (20)., and method for performing maintenance work on such a stationary gas turbine.
    • 具有至少一个涡轮级(6)的固定式燃气轮机装置包括至少第一排叶片(1),其安装在设置在第一排叶片(1)的径向外侧的固定部件(13)处并且径向延伸到 涡轮级(6)的环形入口(5)面向燃烧器(4)的下游端,其中固定部件(13)为每个叶片(1)提供设计和布置的径向定向的通孔(19) 用于径向插入和移除叶片(1),并且每个所述叶片(1)包括翼型件(1'),所述翼型件的一端径向向外指向轮廓(23),所述轮廓适于封闭所述通孔 19)通过可拆卸的固定装置(20)密封,以及在这种固定式燃气轮机上执行维护工作的方法。
    • 6. 发明公开
    • Multi vane segment design and casting method
    • 多叶片段设计和铸造方法
    • EP2186581A1
    • 2010-05-19
    • EP08169108.1
    • 2008-11-14
    • Alstom Technology Ltd
    • Wardle, Brian KennethSommer, Thomas PeterVon Arx, BeatSaxer, Andre
    • B22C9/04F01D9/04
    • F01D9/041B22C9/043F05D2230/21F05D2230/211F05D2240/40Y02T50/671Y02T50/673
    • Provided is an industrial gas turbine multi vane segment (1), which can be cast in one piece using a wax pattern method. The multi vane segment (1) comprising: a platform (2); at least three airfoils (10), extending radially from the platform (2), having a combined airfoil volume, a chord length (15) and an airfoil thickness (16); and a shroud (20) with a shroud volume,disposed on an end of said airfoils (10) radially distant from said platform (2). The ratio of the shroud volume to the combined airfoils volume defines a first ratio, while the multi vane segment (1) is characterized by the multi vane segment (1) having a first ratio greater or equal to 1.4:1. This ratio enables preferential solidification, during casting, of the airfoils (10) before the shroud (20).
    • 提供了一种工业燃气轮机多叶片段(1),其可以使用蜡模法一体式铸造。 该多叶片段(1)包括:平台(2); 至少三个翼型件(10),所述至少三个翼型件从所述平台(2)径向延伸,具有组合的翼型体积,弦长(15)和翼型厚度(16); 和设置在所述翼型件(10)的径向远离所述平台(2)的端部上的具有护罩容积的护罩(20)。 护罩体积与组合翼型体积之比限定第一比率,而多叶片部分(1)的特征在于多叶片部分(1)具有大于或等于1.4:1的第一比率。 该比例使得在护罩(20)之前的翼型件(10)在铸造期间优先固化。
    • 7. 发明公开
    • Blade for a gas turbine
    • 燃气轮机叶片
    • EP2180142A1
    • 2010-04-28
    • EP08167378.2
    • 2008-10-23
    • Alstom Technology Ltd
    • Tsypkaykin, IgorValiente, RubenWardle, Brian, KennethVon Arx, BeatSaxer, Andre
    • F01D5/22
    • F01D5/225F05B2240/33
    • A blade (10) for a gas turbine comprises an airfoil (11), which extends along a longitudinal axis (21) from a blade root (20) to a blade tip (12), and has a shroud segment (14) at said blade tip (12), which shroud segment (14) abuts with first and second edges against similar shroud segments of adjacent blades to make up a ring-like shroud, whereby said first and second edges are each provided with a respective side rail (18,19) on the upper side of said shroud segment (14).
      To optimize the mechanical and thermal properties of the shroud segment (14), each of said side rails is subdivided into sections (18,19) of different height and/or width.
    • 一种用于燃气涡轮机的叶片(10)包括翼型件(11),该翼型件沿叶片根部(20)的纵向轴线(21)延伸至叶片尖端(12),并且在所述翼型件 (14)与第一和第二边缘抵靠在相邻刀片的相似护罩段上以构成环状护罩,其中所述第一和第二边缘分别设置有相应的侧轨(18) ,19)在所述罩段(14)的上侧上。 为了优化护罩部分(14)的机械性能和热性能,每个所述侧轨被分成不同高度和/或宽度的部分(18,19)。