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公开(公告)号：EP0742412B1
公开(公告)日：2003-02-26
申请号：EP96303003.6
申请日：1996-04-29
CPC分类号： F23R3/10 , F05B2230/60 , F05B2230/70 , F05B2230/80 , F23R3/283 , F23R3/346
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公开(公告)号：EP1108901B1
公开(公告)日：2006-05-24
申请号：EP00311266.1
申请日：2000-12-15
发明人： Rainous, Edward Atwood , Barber, Daniel John , Vickers, Edward Charles , Maue, Gregory Paul , Cody, William Edward , Yee, Sharon Lisa , McMahan, Kevin Weston
CPC分类号： F01D25/246 , F01D11/001 , F04D29/164 , F16B5/0241
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公开(公告)号：EP1108901A3
公开(公告)日：2002-07-17
申请号：EP00311266.1
申请日：2000-12-15
发明人： Rainous, Edward Atwood , Barber, Daniel John , Vickers, Edward Charles , Maue, Gregory Paul , Cody, William Edward , Yee, Sharon Lisa , McMahan, Kevin Weston
CPC分类号： F01D25/246 , F01D11/001 , F04D29/164 , F16B5/0241
摘要： A retainer (82), in an exemplary embodiment of the invention, is used in a gas turbine engine inter-stage seal assembly to retain an annular seal ring flange (50) of a seal ring (48) against an annular platform flange (60) extending radially inwardly from an inner platform (30) of an annular nozzle stage having nozzle vanes (26). The retainer includes a body having a central portion (92) through which a bore (88) is formed around a bore axis (89) and a central tab (94) extends radially outwardly from the central portion (92) with respect to the bore axis (89). First and second arms (97 and 98), respectively, extend in opposite respective first and second tangential directions, with respect to the bore axis (89), away from the central portion (92) and each other. Axial spacers (104) extend aftwardly from first and second free ends (106 and 108) of the first and second arms (97 and 98), respectively and anti-rotation feet with rounded ends depend from the first and second free ends (106 and 108) in an opposite direction from which the central tab (94) extends. A pedestal assembly (110) extends aft from the central portion (92) and is located aft of the central tab. The retainer (82) is an integrally cast unit.
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公开(公告)号：EP1108901A2
公开(公告)日：2001-06-20
申请号：EP00311266.1
申请日：2000-12-15
发明人： Rainous, Edward Atwood , Barber, Daniel John , Vickers, Edward Charles , Maue, Gregory Paul , Cody, William Edward , Yee, Sharon Lisa , McMahan, Kevin Weston
IPC分类号： F16B37/08
CPC分类号： F01D25/246 , F01D11/001 , F04D29/164 , F16B5/0241
摘要： A retainer (82), in an exemplary embodiment of the invention, is used in a gas turbine engine inter-stage seal assembly to retain an annular seal ring flange (50) of a seal ring (48) against an annular platform flange (60) extending radially inwardly from an inner platform (30) of an annular nozzle stage having nozzle vanes (26). The retainer includes a body having a central portion (92) through which a bore (88) is formed around a bore axis (89) and a central tab (94) extends radially outwardly from the central portion (92) with respect to the bore axis (89). First and second arms (97 and 98), respectively, extend in opposite respective first and second tangential directions, with respect to the bore axis (89), away from the central portion (92) and each other. Axial spacers (104) extend aftwardly from first and second free ends (106 and 108) of the first and second arms (97 and 98), respectively and anti-rotation feet with rounded ends depend from the first and second free ends (106 and 108) in an opposite direction from which the central tab (94) extends. A pedestal assembly (110) extends aft from the central portion (92) and is located aft of the central tab. The retainer (82) is an integrally cast unit.
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5.发明公开
公开(公告)号：EP0742412A1
公开(公告)日：1996-11-13
申请号：EP96303003.6
申请日：1996-04-29
CPC分类号： F23R3/10 , F05B2230/60 , F05B2230/70 , F05B2230/80 , F23R3/283 , F23R3/346
摘要： A dome assembly for a multiple annular combustor is disclosed as including an annular dome plate (35) having at least two radial domes, wherein each of the radial domes include a plurality of circumferentially spaced openings therein. A heat shield (116) is positioned within each of the openings, with a threaded forward end (173) located upstream of the dome plate and an aft end (204) located downstream of the dome plate. A retainer nut (176) with threads (175) formed on an annular surface thereof is matingly engagable with the forward end (173) of each heat shield. When the retainer nut is tightened onto the heat shield forward end, the heat shield is mechanically attached to the dome plate. Preferably, at least one centerbody extends axially downstream from either the radially outer or inner side of the aft end. The dome assembly includes a ferrule (183) within each of the dome plate openings for receiving an air/fuel mixer (50) therein, the ferrule having an annular sealing flange extending radially therefrom. A retaining ring (184) is positioned upstream of the heat shield forward end to produce a gap therebetween. The ferrule sealing flange (216) is positioned within the gap to prevent air from flowing between the heat shield and the air/fuel mixer.
摘要翻译： 公开了一种用于多环形燃烧器的圆顶组件，包括具有至少两个径向圆顶的环形圆顶板（35），其中每个径向圆顶包括多个周向间隔开的开口。 隔热罩（116）位于每个开口内，具有位于圆顶板上游的螺纹前端（173）和位于圆顶板下游的后端（204）。 在其环形表面上形成有螺纹（175）的保持螺母（176）与每个隔热罩的前端（173）配合地接合。 当保持螺母紧固在隔热罩前端上时，隔热罩机械地安装在圆顶板上。 优选地，至少一个中心体从后端的径向外侧或内侧的轴向下游延伸。 圆顶组件包括在每个圆顶板开口内的用于在其中容纳空气/燃料混合器（50）的套圈（183），所述套圈具有从其径向延伸的环形密封凸缘。 保持环（184）位于隔热罩前端的上游，以在它们之间产生间隙。 套圈密封凸缘（216）位于间隙内以防止空气在隔热罩和空气/燃料混合器之间流动。
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