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1. 发明申请

US20070059170A1 DIFFUSER FOR A CENTRIFUGAL COMPRESSOR 有权
标题翻译：用于离心压缩机的搅拌器
公开(公告)号：US20070059170A1
公开(公告)日：2007-03-15
申请号：US11531296
申请日：2006-09-13
申请人： Cheng Xu , Dwayne Valentine
发明人： Cheng Xu , Dwayne Valentine
IPC分类号： F04D29/44
CPC分类号： F04D29/444 , F05D2250/52
摘要： A diffuser for use in a centrifugal compressor that includes an impeller that discharges a high-velocity flow of fluid. The diffuser includes a platform having a blade portion and defining a substantially circular aperture. The impeller is disposed at least partially within the aperture such that the high-velocity fluid exits the impeller in directions that are substantially tangent to the blade portion. A vane extends from the platform and includes a suction side, a pressure side, and a leading edge having a platform portion and a shroud portion. A majority of the shroud portion is disposed on the suction side of a line normal to the platform that passes through a center of the platform portion of the leading edge. A shroud is coupled to the shroud portion of the vane such that the vane, the platform, and the shroud cooperate to at least partially define two flow paths.
摘要翻译：一种用于离心式压缩机的扩散器，其包括排出高速流体流的叶轮。扩散器包括具有刀片部分并且限定基本圆形孔的平台。叶轮至少部分地设置在孔内，使得高速流体在与叶片部分基本相切的方向上离开叶轮。叶片从平台延伸并且包括吸力侧，压力侧和具有平台部分和护罩部分的前缘。护罩部分的大部分设置在穿过前缘的平台部分的中心的垂直于平台的线的吸力侧。护罩耦合到叶片的护罩部分，使得叶片，平台和护罩配合以至少部分地限定两个流动路径。

2. 发明授权

US07581925B2 Diffuser for a centrifugal compressor 有权
标题翻译：用于离心压缩机的扩散器
公开(公告)号：US07581925B2
公开(公告)日：2009-09-01
申请号：US11531296
申请日：2006-09-13
申请人： Cheng Xu , Dwayne Valentine
发明人： Cheng Xu , Dwayne Valentine
IPC分类号： F04D29/44
CPC分类号： F04D29/444 , F05D2250/52
摘要： A diffuser for use in a centrifugal compressor that includes an impeller that discharges a high-velocity flow of fluid. The diffuser includes a platform having a blade portion and defining a substantially circular aperture. The impeller is disposed at least partially within the aperture such that the high-velocity fluid exits the impeller in directions that are substantially tangent to the blade portion. A vane extends from the platform and includes a suction side, a pressure side, and a leading edge having a platform portion and a shroud portion. A majority of the shroud portion is disposed on the suction side of a line normal to the platform that passes through a center of the platform portion of the leading edge. A shroud is coupled to the shroud portion of the vane such that the vane, the platform, and the shroud cooperate to at least partially define two flow paths.
摘要翻译：一种用于离心式压缩机的扩散器，其包括排出高速流体流的叶轮。扩散器包括具有刀片部分并且限定基本圆形孔的平台。叶轮至少部分地设置在孔内，使得高速流体在与叶片部分基本相切的方向上离开叶轮。叶片从平台延伸并且包括吸力侧，压力侧和具有平台部分和护罩部分的前缘。护罩部分的大部分设置在穿过前缘的平台部分的中心的垂直于平台的线的吸力侧。护罩耦合到叶片的护罩部分，使得叶片，平台和护罩配合以至少部分地限定两个流动路径。

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