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公开(公告)号：US10132331B2
公开(公告)日：2018-11-20
申请号：US14572247
申请日：2014-12-16
摘要： In a radial compressor stage for a radial compressor having a rotor side, the radial compressor stage includes a stator; and an impeller configured to rotate relative to the stator. The impeller has multiple impeller blades on the rotor side. Each of the multiple impeller blades has: a flow inlet edge, a flow outlet edge, a suction side extending between the flow inlet edge and the flow outlet edge, a pressure side, and an outer surface facing the stator. At least one groove is arranged in the outer surface of at least one of the multiple impeller blades, the at least one groove being bounded by a longitudinal web both on the suction side and on the pressure side. Each of the longitudinal webs forms a sealing tip of the respective impeller blade towards the stator.
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公开(公告)号：US20150167696A1
公开(公告)日：2015-06-18
申请号：US14572247
申请日：2014-12-16
CPC分类号： F04D29/666 , F04D17/10 , F04D29/162 , F04D29/284 , F04D29/30 , F05D2240/307
摘要： In a radial compressor stage for a radial compressor having a rotor side, the radial compressor stage includes a stator; and an impeller configured to rotate relative to the stator. The impeller has multiple impeller blades on the rotor side. Each of the multiple impeller blades has: a flow inlet edge, a flow outlet edge, a suction side extending between the flow inlet edge and the flow outlet edge, a pressure side, and an outer surface facing the stator. At least one groove is arranged in the outer surface of at least one of the multiple impeller blades, the at least one groove being bounded by a longitudinal web both on the suction side and on the pressure side. Each of the longitudinal webs forms a sealing tip of the respective impeller blade towards the stator.
摘要翻译： 在具有转子侧的径向压缩机的径向压缩机级中，径向压缩机级包括定子; 以及配置成相对于定子旋转的叶轮。 叶轮在转子侧有多个叶轮叶片。 多个叶轮叶片中的每一个具有：流入口边缘，流出口边缘，在流入口边缘和流出口边缘之间延伸的吸力侧，压力侧和面向定子的外表面。 至少一个槽布置在多个叶轮叶片中的至少一个的外表面中，所述至少一个凹槽由吸力侧和压力侧上的纵向腹板限定。 每个纵向腹板形成相应叶轮叶片朝向定子的密封末端。
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