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    • 2. 发明专利
    • Exhaust diffuser
    • 排气歧管
    • JP2011169320A
    • 2011-09-01
    • JP2011029254
    • 2011-02-15
    • General Electric Co ゼネラル・エレクトリック・カンパニイ
    • GALLIER KIRK DOUGLASNEELI SUDHAKAR
    • F01D25/30
    • F01D25/30F05D2220/31F05D2250/71
    • PROBLEM TO BE SOLVED: To provide an exhaust diffuser which increases the efficiency of a system by reducing the back pressure to be applied to a turbine blade. SOLUTION: This exhaust diffuser (100) includes: an inlet (102) defined by an outside flow guide surface (104) and an inside flow guide surface (106) operative to receive a fluid; a first collection chute (108) having a gradually increasing flow area operative to diffuse a flow of the fluid and having an outlet (508) in fluid-communication with the inlet (102); and a second collection chute (110) having a gradually increasing flow area operative to diffuse the flow of the fluid and having an outlet (510) in fluid-communication with the inlet (102). The outside flow guide surface (104) and the inside flow guide surface (106) are operative to guide and direct the flow of the fluid to the first collection chute (108) and the second collection chute (110) along a curved flow passage. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种通过减小施加到涡轮叶片的背压来提高系统效率的排气扩散器。 解决方案:该排气扩散器(100)包括:由外部流动引导表面(104)限定的入口(102)和可操作以接收流体的内部流动引导表面(106); 第一收集槽(108)具有逐渐增加的流动面积,其可操作以扩散流体的流动并具有与入口(102)流体连通的出口(508); 以及第二收集槽(110),其具有逐渐增加的流动面积,其可操作以扩散流体的流动并且具有与入口(102)流体连通的出口(510)。 外部流动引导表面(104)和内部流动引导表面(106)可操作以沿着弯曲的流动通道引导和引导流体流向第一收集槽(108)和第二收集槽(110)。 版权所有(C)2011,JPO&INPIT