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公开(公告)号：US08602728B2
公开(公告)日：2013-12-10
申请号：US12701446
申请日：2010-02-05
IPC分类号： F04D29/44
CPC分类号： F04D29/44 , F04D29/444 , F04D29/666 , F05D2250/52
摘要： A system, in certain embodiments, includes a centrifugal compressor diffuser including a flow path having a first surface and a second surface defining opposite axial sides of the flow path. The centrifugal compressor diffuser also includes multiple vanes extending from the first surface to the second surface of the flow path. A first profile of each vane varies along an axial direction. The centrifugal compressor diffuser further includes multiple vanelets extending from the first surface toward the second surface in the axial direction. A first axial extent of each vanelet is less than a second axial extent of the flow path. In addition, a second profile of each vanelet varies along the axial direction and/or the vanelets form a non-periodic pattern around a circumference of the flow path.
摘要翻译： 在某些实施例中，系统包括离心压缩机扩散器，其包括具有第一表面的流动路径和限定流动路径的相对的轴向侧面的第二表面。 离心压缩机扩散器还包括从流动路径的第一表面延伸到第二表面的多个叶片。 每个叶片的第一轮廓沿轴向方向变化。 离心压缩机扩散器还包括沿轴向从第一表面向第二表面延伸的多个小叶片。 每个叶片的第一轴向范围小于流动路径的第二轴向范围。 此外，每个小叶的第二轮廓沿着轴向方向变化，和/或叶片围绕流动路径的圆周形成非周期性图案。
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公开(公告)号：US20120294711A1
公开(公告)日：2012-11-22
申请号：US13522704
申请日：2010-11-30
IPC分类号： F04D29/44
CPC分类号： F04D29/444 , F04D29/666 , F05D2250/52
摘要： A system, in certain embodiments, includes a centrifugal compressor diffuser having a mounting surface and plurality of diffuser vanes extending from the mounting surface in an axial direction and forming an asymmetrical (e.g., non-periodic) pattern around the circumference of the diffuser. The asymmetrical pattern may be determined based upon characteristics of fluid flowing from an impeller across the diffuser and through a scroll of a centrifugal compressor.
摘要翻译： 在某些实施例中，系统包括离心式压缩机扩散器，其具有安装表面和沿着轴向方向从安装表面延伸的多个扩散器叶片，并且围绕扩散器的圆周形成不对称（例如非周期性）图案。 可以基于从叶轮流过扩散器并通过离心式压缩机的涡旋件的流体的特性来确定不对称模式。
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公开(公告)号：US20120121402A1
公开(公告)日：2012-05-17
申请号：US13386025
申请日：2010-07-19
IPC分类号： F01D9/02
CPC分类号： F04D29/444 , F04D29/448
摘要： A system, in certain embodiments, includes a centrifugal compressor diffuser vane including a leading edge, a trailing edge, and a constant thickness section extending between the leading edge and the trailing edge. A radius of curvature of the leading edge and a radius of curvature of the trailing edge vary along a span of the vane. A ratio of a length of the constant thickness section to a chord length of the vane is at least approximately 50%, and the ratio is substantially constant along the span of the vane.
摘要翻译： 在某些实施例中，系统包括离心式压缩机扩散器叶片，其包括在前缘和后缘之间延伸的前缘，后缘和恒定厚度部分。 前缘的曲率半径和后缘的曲率半径沿叶片的跨度变化。 恒定厚度部分的长度与叶片的弦长的比率至少为约50％，并且该比率在叶片的跨度上基本上是恒定的。
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公开(公告)号：US09222485B2
公开(公告)日：2015-12-29
申请号：US13386025
申请日：2010-07-19
IPC分类号： F04D29/44
CPC分类号： F04D29/444 , F04D29/448
摘要： A system, in certain embodiments, includes a centrifugal compressor diffuser vane including a leading edge, a trailing edge, and a constant thickness section extending between the leading edge and the trailing edge. A radius of curvature of the leading edge and a radius of curvature of the trailing edge vary along a span of the vane. A ratio of a length of the constant thickness section to a chord length of the vane is at least approximately 50%, and the ratio is substantially constant along the span of the vane.
摘要翻译： 在某些实施例中，系统包括离心式压缩机扩散器叶片，其包括在前缘和后缘之间延伸的前缘，后缘和恒定厚度部分。 前缘的曲率半径和后缘的曲率半径沿叶片的跨度变化。 恒定厚度部分的长度与叶片的弦长的比率至少为约50％，并且该比率在叶片的跨度上基本上是恒定的。
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公开(公告)号：US20120301287A1
公开(公告)日：2012-11-29
申请号：US13113898
申请日：2011-05-23
CPC分类号： F04D29/30
摘要： A system, in certain embodiments, includes an impeller having a plurality of impeller blades coupled to an impeller hub body, wherein each impeller blade is sculpted having a nonlinear profile extending from a hub intersect surface of the impeller blade to a shroud intersect surface of the impeller blade.
摘要翻译： 在某些实施例中，系统包括叶轮，叶轮具有联接到叶轮毂体的多个叶轮叶片，其中每个叶轮叶片被雕刻成具有从叶轮叶片的轮毂相交表面延伸到叶轮叶片的护罩相交表面的非线性轮廓 叶轮叶片。
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公开(公告)号：US3875787A
公开(公告)日：1975-04-08
申请号：US38781373
申请日：1973-08-13
CPC分类号： H01F41/0213 , B21D22/06 , Y10T29/5313
摘要： The present invention relates to fabrication of magnetic cores of electromagnetic apparatuses and more specifically it relates to devices for shaping rectangular magnetic cores from circular magnetic cores usually wound from electrical steel strip.
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公开(公告)号：US20110194931A1
公开(公告)日：2011-08-11
申请号：US12701446
申请日：2010-02-05
IPC分类号： F04D29/44
CPC分类号： F04D29/44 , F04D29/444 , F04D29/666 , F05D2250/52
摘要： A system, in certain embodiments, includes a centrifugal compressor diffuser including a flow path having a first surface and a second surface defining opposite axial sides of the flow path. The centrifugal compressor diffuser also includes multiple vanes extending from the first surface to the second surface of the flow path. A first profile of each vane varies along an axial direction. The centrifugal compressor diffuser further includes multiple vanelets extending from the first surface toward the second surface in the axial direction. A first axial extent of each vanelet is less than a second axial extent of the flow path. In addition, a second profile of each vanelet varies along the axial direction and/or the vanelets form a non-periodic pattern around a circumference of the flow path.
摘要翻译： 在某些实施例中，系统包括离心压缩机扩散器，其包括具有第一表面的流动路径和限定流动路径的相对的轴向侧面的第二表面。 离心压缩机扩散器还包括从流动路径的第一表面延伸到第二表面的多个叶片。 每个叶片的第一轮廓沿轴向方向变化。 离心压缩机扩散器还包括沿轴向从第一表面向第二表面延伸的多个小叶片。 每个叶片的第一轴向范围小于流动路径的第二轴向范围。 此外，每个小叶的第二轮廓沿着轴向方向变化，和/或叶片围绕流动路径的圆周形成非周期性图案。
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公开(公告)号：US08951009B2
公开(公告)日：2015-02-10
申请号：US13113898
申请日：2011-05-23
CPC分类号： F04D29/30
摘要： A system, in certain embodiments, includes an impeller having a plurality of impeller blades coupled to an impeller hub body, wherein each impeller blade is sculpted having a nonlinear profile extending from a hub intersect surface of the impeller blade to a shroud intersect surface of the impeller blade.
摘要翻译： 在某些实施例中，系统包括叶轮，叶轮具有联接到叶轮毂体的多个叶轮叶片，其中每个叶轮叶片被雕刻成具有从叶轮叶片的轮毂相交表面延伸到叶轮叶片的护罩相交表面的非线性轮廓 叶轮叶片。
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