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    • 6. 发明授权
    • Turbomachine
    • 涡轮机
    • US4243357A
    • 1981-01-06
    • US063669
    • 1979-08-06
    • Patrick F. FlynnHarold G. WeberJohn M. Mulloy
    • Patrick F. FlynnHarold G. WeberJohn M. Mulloy
    • F01D5/04F04D29/28
    • F01D5/043F01D5/048
    • A turbomachine, operable as a compressor or a turbine, for a compressible fluid is provided which includes a wheel having a plurality of vanes extending from a generally axial flow section to a generally radial flow section. Adjacent vanes define fluid passageways having a generally axially oriented section and a generally radially oriented section. Located substantially within the generally radially oriented sections of a predetermined number of passageways is a reference station which has a configuration such that the mean tangential dimension of said passageway at said reference station is no more than about 60% of the circumference of the rotor at that mean radius divided by the number of vanes at that radius. Each reference station serves to effect substantial attachment of the flowing fluid to the surfaces defining said passageway, particularly at low mass flow, and, thus, broaden the usable flow range of the turbomachine. A rounded vane end at the wheel periphery further serves to enhance said attachment.
    • 提供了一种用于可压缩流体的可操作为压缩机或涡轮机的涡轮机,其包括具有从大致轴向流动部分延伸到大致径向流动部分的多个叶片的轮。 相邻的叶片限定具有大致轴向定向的部分和通常径向取向的部分的流体通道。 基本上位于预定数量的通道的通常径向定向的部分内的是具有这样一种构造的参考站,所述构造使得在所述参考站处的所述通道的平均切向尺寸不超过所述转子圆周的大约60% 平均半径除以该半径处的叶片数。 每个参考站用于实质上将流动流体附着到限定所述通道的表面上,特别是在低质量流动下,从而扩大涡轮机的可用流量范围。 在轮周边处的圆形叶片端还用于增强所述附接。
    • 10. 发明授权
    • Turbomachine
    • 涡轮机
    • US4227855A
    • 1980-10-14
    • US936695
    • 1978-08-25
    • Patrick F. FlynnHarold G. WeberJohn M. Mulloy
    • Patrick F. FlynnHarold G. WeberJohn M. Mulloy
    • F01D5/04F04D29/28
    • F01D5/043F01D5/048F04D29/284
    • A turbomachine for a compressible fluid is provided which includes a compressor wheel having a plurality of vanes extending from a generally axial flow inlet to a generally radial flow outlet. Adjacent vanes define fluid passageways having a generally axially oriented section near the inlet and a generally radially oriented section near the outlet. Located substantially within the generally radially oriented sections of a predetermined number of passageways is a reference station which has a configuration such that the mean tangential dimension of said passageway at said reference station is no more than about 60% of the circumference of the rotor at that mean radius divided by the number of vanes at that radius. Each reference station serves to effect substantial attachment of the flowing fluid to the surfaces defining said passageway, particularly at low mass flow, and, thus, broaden the usable flow range of the compressor.
    • 提供了一种用于可压缩流体的涡轮机,其包括具有多个叶片的压缩机叶轮,所述多个叶片从大致轴向的流动入口延伸到大致径向的流动出口。 相邻的叶片限定在入口附近具有大致轴向定向的部分的流体通道和靠近出口的大致径向定向的部分。 基本上位于预定数量的通道的通常径向定向的部分内的是具有这样一种构造的参考站,所述构造使得在所述参考站处的所述通道的平均切向尺寸不超过所述转子圆周的大约60% 平均半径除以该半径处的叶片数。 每个参考站用于实质上将流动的流体附着到限定所述通道的表面,特别是在低质量流动下,从而扩大压缩机的可用流量范围。