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1. 发明授权

US5807074A Turbine nozzle diaphragm joint 失效
标题翻译：涡轮喷嘴隔膜接头
公开(公告)号：US5807074A
公开(公告)日：1998-09-15
申请号：US784500
申请日：1997-01-17
申请人： Maurice D. Fournier , Robert Hugh Johnson , George Reluzco , Robert Blair Wilson
发明人： Maurice D. Fournier , Robert Hugh Johnson , George Reluzco , Robert Blair Wilson
IPC分类号： F01D9/02 , F01D9/04 , F04D29/44
CPC分类号： F01D9/02 , F01D9/041
摘要： The turbine nozzle diaphragm includes nozzle diaphragm segments formed of a subassembly including inner and outer spacer bands with airfoil-shaped partitions circumferentially spaced one from the other secured to the inner and outer spacer bands. Inner web and outer ring segments are secured to the inner and outer spacer band segments, respectively, to form nozzle diaphragm segment halves. End surfaces of the inner webs and outer rings lie in a plane passing through the axis of the nozzle diaphragm. The spacer bands have flanges projecting from the ends of the segments with weld material built up behind the flanges to provide additional support for the trailing edge portions of the partition adjacent the joint. Complementary recesses are formed in the opposed ends of the opposite segment whereby a Z-joint requiring limited material and labor is formed.
摘要翻译：涡轮喷嘴隔膜包括由子组件形成的喷嘴隔膜段，所述喷嘴隔膜段包括内部和外部间隔带，所述内部和外部隔离带具有与固定到内部和外部间隔带上的彼此周向隔开的翼型隔板。内腹板和外环段分别固定到内和外间隔带段上以形成喷嘴隔膜段两半。内腹板和外环的端面位于穿过喷嘴隔膜轴线的平面内。间隔带具有从段的端部突出的凸缘，其中焊接材料构成在凸缘之后，为邻近接头的隔板的后缘部分提供额外的支撑。在相对的部分的相对端部中形成互补的凹部，由此形成需要有限的材料和劳力的Z形接头。

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