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    • 56. 发明公开
    • A gas turbine engine cooling arrangement
    • 燃气轮机发动机冷却装置
    • EP2784267A3
    • 2015-04-15
    • EP14158097.7
    • 2014-03-06
    • Rolls-Royce plc
    • Mulcaire, Thomas
    • F01D9/06F02C7/18F01D5/08F01D25/24F02C6/08F04D29/54
    • F01D25/12F01D5/082F01D5/085F01D9/065F01D25/246F02C6/08F02C7/185F04D29/321F04D29/542F05D2240/90F05D2260/213Y02T50/671Y02T50/673Y02T50/676
    • A gas turbine engine (10) comprises a compressor (14), a combustion chamber (15), an outer casing (20), an inner casing (22) and a cooling arrangement (24). The outer casing (20) surrounds the compressor (14) and the combustion chamber (15) and the combustion chamber (15) has turbine nozzle guide vanes (26). The compressor (14) has load carrying outlet guide vanes (28) connected to the outer casing (20) and the inner casing (22). The turbine nozzle guide vanes (26) connect the outer casing (20) and the inner casing (22). The cooling arrangement (24) comprises a cooling air duct (38) located between the compressor (14) and the combustion chamber (15). The compressor outlet guide vanes (28) carry at least one aerodynamic fairing (40). A support structure (42) supports the cooling air duct (38) from the inner casing (22) at two spaced positions and the support structure (42) forms a chamber (50) with the inner casing (22). The support structure (42) comprises at least one hollow duct (48) and each hollow duct (48) locates behind a respective one of the aerodynamic fairings (40).
    • 燃气涡轮发动机10包括压缩机14,燃烧室15,外壳20,内壳22和冷却装置24。 外壳(20)围绕压缩机(14)和燃烧室(15),燃烧室(15)具有涡轮喷嘴导向叶片(26)。 压缩机14具有与外壳20和内壳22连接的载重输出导向叶片28。 涡轮喷嘴导向叶片26连接外壳20和内壳22。 冷却装置(24)包括位于压缩机(14)和燃烧室(15)之间的冷却空气管道(38)。 压缩机出口导叶(28)带有至少一个空气动力整流罩(40)。 支撑结构(42)在两个间隔位置处从内壳(22)支撑冷却空气管道(38),并且支撑结构(42)与内壳(22)形成腔室(50)。 支撑结构(42)包括至少一个空心导管(48),并且每个空心导管(48)位于相应的一个空气动力学整流件(40)的后面。
    • 57. 发明公开
    • Fixation device for turbine and method for applying fixation
    • Fixiervorrichtungfüreine Turbine und Verfahren zum Anbringen der Fixierung
    • EP2837775A1
    • 2015-02-18
    • EP13180510.3
    • 2013-08-15
    • ALSTOM Technology Ltd
    • Gerzner, StefanRauch, Marc
    • F01D25/24F01D25/26F01D25/28F16B31/00F01D5/00F16J13/12F01D17/08
    • F01D25/243F01D5/005F01D11/00F01D17/08F01D17/085F01D25/24F01D25/246F01D25/26F01D25/28F01D25/285F05D2240/90F16B31/043F16J13/12Y10T29/4932
    • The invention provides a fixation device for a turbine, comprising a flange (100) mounted on a housing (400) of the turbine and a nut assembly (200) received in the flange to apply fixation to an component (300) inside the housing, wherein the flange (100) is fixed to the housing by a plurality of first bolts (101) and comprises a central threaded hole, wherein the nut assembly (200) comprises a nut body (201) with a first hole (206) formed along the central axis of the nut body and a plurality of second holes (207) formed around the central axis, and a plurality of second bolts (202) received in the respective second holes (207), wherein the nut body (201) is formed with thread on its outer circumferential surface and fitted within the central threaded hole of the flange (100), and the second bolts (202) are screwed in the second holes (207) to apply fixation against the component (300) inside the housing of the turbine. The nut assembly (200) further comprises a plurality of sleeves (203) received in the respective second holes (207), and the plurality of second bolts (202) are received in the respective sleeves (203). The fixation device in the present invention is able to apply for small and restricted space condition, which makes it possible to position the device very close to the split plane of the turbine. Further, the whole structure of the fixation device is simple with lightweight and easy to assemble with standard tools.
    • 本发明提供了一种用于涡轮机的固定装置,包括安装在涡轮机的壳体(400)上的凸缘(100)和容纳在凸缘中的螺母组件(200),以对壳体内的部件(300)施加固定, 其中所述凸缘(100)通过多个第一螺栓(101)固定到所述壳体并且包括中心螺纹孔,其中所述螺母组件(200)包括螺母体(201),所述螺母体(201)具有沿着所述第一孔 螺母主体的中心轴线和围绕中心轴线形成的多个第二孔(207)和容纳在各个第二孔(207)中的多个第二螺栓(202),其中形成螺母体(201) 在其外圆周表面上具有螺纹并且装配在凸缘(100)的中心螺纹孔内,并且第二螺栓(202)被拧入第二孔(207)中以将固定件抵靠在壳体内的部件(300)的内部 涡轮机。 螺母组件(200)还包括容纳在相应的第二孔(207)中的多个套筒(203),并且多个第二螺栓(202)被容纳在相应的套筒(203)中。 本发明中的固定装置能够应用小且受限的空间状态,这使得可以将装置定位得非常靠近涡轮机的分裂平面。 此外,固定装置的整体结构简单,重量轻,易于与标准工具组装。