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    • 4. 发明专利
    • Abradable device on fan case for gas turbine engine
    • 用于气体涡轮发动机风扇的可拆卸装置
    • JP2005061419A
    • 2005-03-10
    • JP2004237742
    • 2004-08-17
    • Snecma Moteursスネクマ・モトウール
    • GERAIN ERIC MARIE PIERRECELERIER ERICBREFORT FRANCOIS JACQUES DMAILLARD PIERRE YVES
    • F02C3/06F01D11/12F01D21/04F02C7/28F02K3/06F04D29/08F04D29/52
    • F01D11/125F01D21/045
    • PROBLEM TO BE SOLVED: To provide an inexpensive turbine engine with simple molding.
      SOLUTION: The turbine engine having a rotational shaft B includes a fan cover 10 and a fan V with movable vanes 17. A space extends between an inner face of the cover and free edges of the vanes. A bearing of the fan is connected with a fixed part of the turbine engine with a connecting part in which a rotational shaft of the fan oscillates around the rotational shaft B as a center when the bearing is broken if load is applied to the vanes of the fan. The cover includes a thermoformable foam layer 12 bonded to its inner face and a part of a range of the space, and is arranged to face edges of the vanes 17 of the fan V. The thermoformable foam layer 12 is partially coated with an abradable substance layer 14, so that the free edges of the vanes at least partially fragments the abradable substance layer 14 when load acts on the fan.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供具有简单成型的便宜的涡轮发动机。 解决方案:具有旋转轴B的涡轮发动机包括风扇盖10和具有可动叶片17的风扇V.空间在盖的内表面和叶片的自由边缘之间延伸。 风扇的轴承与涡轮发动机的固定部分连接,当连接部分将风扇的旋转轴以旋转轴B为中心摆动时,如果负载被施加到 风扇。 盖子包括结合到其内表面和空间范围的一部分的可热成形泡沫层12,并布置成面对风扇V的叶片17的边缘。可热成形泡沫层12部分涂覆有可磨损物质 层14,使得当负载作用在风扇上时,叶片的自由边缘至少部分地使可磨损物质层14分裂。 版权所有(C)2005,JPO&NCIPI
    • 8. 发明专利
    • Low-ductility open channel turbine shroud
    • 低密度开放通道涡轮机
    • JP2012077743A
    • 2012-04-19
    • JP2011212233
    • 2011-09-28
    • General Electric Co ゼネラル・エレクトリック・カンパニイ
    • DZIECH AARONALBERS JOSEPHJOHNSON CHRISTOPHER RYAN
    • F01D11/08F01D25/00F01D25/24
    • F01D11/125F01D11/005F01D25/246F05D2240/11F05D2240/55F05D2260/20
    • PROBLEM TO BE SOLVED: To provide a CMC (ceramic matrix composite) shroud mounting structure which does not rely on frictional clamping forces or concentrated fastener loads.SOLUTION: A turbine shroud apparatus includes: shroud segments, as turbine shroud segments for the turbine engine, each including low-ductility material and having a cross-sectional shape defined by forward and aft walls, and inner and outer walls, the walls extending between opposed first and second end faces, wherein an open channel is formed through the outer wall of the shroud segment; an annular stationary structure surrounding the shroud segments; and a hanger 72 received in the open channel of each shroud segment and mechanically coupled to the stationary structure, each of the hangers passing through the respective open channel and including an enlarged portion 76 and 78 having a greater cross-sectional area than the open channel, the enlarged portion engaging the outer wall of the respective shroud segment, so as to retain the shroud segment radially relative to the stationary structure.
    • 要解决的问题:提供不依赖于摩擦夹紧力或集中紧固件负载的CMC(陶瓷基体复合)护罩安装结构。 涡轮机护罩装置包括:护罩段,作为用于涡轮发动机的涡轮机护罩段,每个包括低延展性材料并且具有由前壁和后壁以及内壁和外壁限定的横截面形状, 在相对的第一和第二端面之间延伸的壁,其中通过所述护罩段的外壁形成开口通道; 围绕所述护罩段的环形固定结构; 以及衣架72,其被接收在每个护罩段的开放通道中并且机械地联接到固定结构,每个悬挂件穿过相应的开放通道并且包括具有比开放通道更大的横截面面积的扩大部分76和78 ,所述扩大部分接合相应的护罩部分的外壁,以便相对于固定结构径向地保持护罩部分。 版权所有(C)2012,JPO&INPIT