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公开(公告)号：EP1323899B1
公开(公告)日：2007-08-15
申请号：EP02258886.7
申请日：2002-12-23
发明人： Aksit, Mahmut Faruk , Safi, Ahmad , Mohammed-Fakir, Abdul-Azeez , Dean, Gilbert Joseph , Martin, Thomas Paul
CPC分类号： F16J15/0887 , F01D11/005 , F02C7/28
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公开(公告)号：EP1323899A3
公开(公告)日：2004-03-31
申请号：EP02258886.7
申请日：2002-12-23
发明人： Aksit, Mahmut Faruk , Safi, Ahmad , Mohammed-Fakir, Abdul-Azeez , Dean, Gilbert Joseph , Martin, Thomas Paul
CPC分类号： F16J15/0887 , F01D11/005 , F02C7/28
摘要： In a gas turbine having a chordal hinge seal between an inner rail (52) of each nozzle segment and an annular axially facing sealing surface (54) of a nozzle support ring (44), a supplemental seal (70) is disposed between the support ring and inner rail of the nozzle segment on a high pressure side of the chordal hinge seal. The supplemental seal includes a sheet metal seal supported by a bracket secured to the back side and radial inner surfaces (79, 80) of the inner rail. The sheet metal seal has a flexible margin (86) which is preloaded and bears against the annular sealing surface of the nozzle support ring. The bracket is bolted (96) or welded to the inner rail with the sheet metal seal therebetween inhibiting or precluding leakage past the back side of the supplemental seal.
摘要翻译： 在每个喷嘴段的内轨道（52）与喷嘴支撑环（44）的环形轴向面对密封表面（54）之间具有弦状铰链密封件的燃气涡轮机中，辅助密封件（70）设置在支撑件 在所述弦铰链密封件的高压侧上的所述喷嘴段的环形和内轨道。 辅助密封件包括由固定到内侧轨道的后侧和径向内表面（79,80）的托架支撑的金属片密封件。 金属板密封件具有预加载的柔性边缘（86）并抵靠喷嘴支撑环的环形密封表面。 支架用螺栓（96）或焊接到内轨道，其间的金属片密封件阻止或阻止泄漏通过补充密封件的背面。
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公开(公告)号：EP1323899A2
公开(公告)日：2003-07-02
申请号：EP02258886.7
申请日：2002-12-23
发明人： Aksit, Mahmut Faruk , Safi, Ahmad , Mohammed-Fakir, Abdul-Azeez , Dean, Gilbert Joseph , Martin, Thomas Paul
CPC分类号： F16J15/0887 , F01D11/005 , F02C7/28
摘要： In a gas turbine having a chordal hinge seal between an inner rail (52) of each nozzle segment and an annular axially facing sealing surface (54) of a nozzle support ring (44), a supplemental seal (70) is disposed between the support ring and inner rail of the nozzle segment on a high pressure side of the chordal hinge seal. The supplemental seal includes a sheet metal seal supported by a bracket secured to the back side and radial inner surfaces (79, 80) of the inner rail. The sheet metal seal has a flexible margin (86) which is preloaded and bears against the annular sealing surface of the nozzle support ring. The bracket is bolted (96) or welded to the inner rail with the sheet metal seal therebetween inhibiting or precluding leakage past the back side of the supplemental seal.
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