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公开(公告)号：EP1041289A3
公开(公告)日：2002-01-30
申请号：EP00302593.9
申请日：2000-03-29
摘要： A centrifugal compressor assembly, especially one having two or more stages, comprises a first compressor casing (30, 32) having a fluid inlet (40) and a fluid outlet (38) and a first impeller (42) rotatable within the first compressor casing (30, 32). The assembly further comprises as second compressor casing (30a, 32a) having a fluid inlet (40a) and a fluid outlet (38a) and a second impeller rotatable (42a) within the second compressor casing (30a, 32a). Drive for the compressors is provided by a switched reluctance motor (4) disposed between the first and second compressor casings (30, 30a, 32, 32a) and comprising a stator (10) and a rotor (26) rotatable within the stator (10). A drive shaft (24) is provided, wherein the first impeller (42), second impeller (42a) and the rotor (26) are mounted on the drive shaft (24) and rotatable therewith.
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公开(公告)号：EP0922873A3
公开(公告)日：2000-07-19
申请号：EP98123090.7
申请日：1998-12-10
CPC分类号： F16C32/064 , F16C27/02
摘要： A bearing assembly comprises an outer bearing member having a cylindrical bore therethrough and a cylindrical inner bearing member extending coaxially within the bore in the outer bearing member, the inner bearing member having a cylindrical bore therethrough for accepting a rotating shaft. A first conduit is provided for supplying fluid to the bore in the outer bearing member to form a hydrostatic bearing between the inner bearing member and the outer bearing member, the first conduit comprising a passageway through the inner bearing member having four openings into the bore in the outer bearing member, the openings being arranged into pairs, the openings in each pair being in opposing regions of the bore. A second conduit is provided for independently supplying fluid to the bore in the inner bearing member to form a hydrodynamic bearing between the inner bearing member and a shaft located in the bore in the inner bearing member, the second conduit comprising a passageway having two openings into the bore in the inner bearing member, the openings being in opposing regions of the bore.
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公开(公告)号：EP0922873B1
公开(公告)日：2005-11-02
申请号：EP98123090.7
申请日：1998-12-10
CPC分类号： F16C32/064 , F16C27/02
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4.发明公开Hydrodynamic shaft bearing with concentric outer hydrostatic bearing 有权流体动力学Wellenlager mit einem konzentrischen，aussenhydrostatischen Lager
公开(公告)号：EP0922873A2
公开(公告)日：1999-06-16
申请号：EP98123090.7
申请日：1998-12-10
IPC分类号： F16D33/10
CPC分类号： F16C32/064 , F16C27/02
摘要： A bearing assembly comprises an outer bearing member having a cylindrical bore therethrough and a cylindrical inner bearing member extending coaxially within the bore in the outer bearing member, the inner bearing member having a cylindrical bore therethrough for accepting a rotating shaft. A first conduit is provided for supplying fluid to the bore in the outer bearing member to form a hydrostatic bearing between the inner bearing member and the outer bearing member, the first conduit comprising a passageway through the inner bearing member having four openings into the bore in the outer bearing member, the openings being arranged into pairs, the openings in each pair being in opposing regions of the bore. A second conduit is provided for independently supplying fluid to the bore in the inner bearing member to form a hydrodynamic bearing between the inner bearing member and a shaft located in the bore in the inner bearing member, the second conduit comprising a passageway having two openings into the bore in the inner bearing member, the openings being in opposing regions of the bore.
摘要翻译： 轴承组件（2）具有带有圆柱形孔（6）的外部轴承构件（4），以及在外部轴承构件中的孔内同轴延伸的圆柱形内轴承构件（8）。 内轴承构件具有通过其的圆柱形孔（10），用于接收旋转轴（12）。 提供了用于将流体供应到外部轴承构件中的孔中以在内部轴承构件和外部轴承构件之间形成静压轴承的导管。 导管具有通过内部轴承构件的通道，其具有穿过外部轴承构件中的孔（39）的四个开口。 这些开口成对地布置在孔的相对的区域中。 提供第二导管，用于独立地向内轴承构件中的孔提供流体，以在内轴承构件和位于孔内的轴之间形成流体动力轴承。 第二导管具有通道，该通道具有两个开口，位于孔内相对区域的内轴承构件中的孔（30）中。
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公开(公告)号：EP1217219A3
公开(公告)日：2003-08-06
申请号：EP01204618.1
申请日：2001-11-29
摘要： A centrifugal compressor assembly (2), especially one having two or more stages, comprises a first compressor casing having a fluid inlet and a fluid outlet and a first impeller (42) rotatable within the first compressor casing (30). The assembly (2) further comprises a second compressor casing (30a) having a fluid inlet and a fluid outlet and a second impeller (42a) rotatable within the second compressor casing (30a). Drive for the compressors is provided by an electric motor (4), preferably a permanent magnet motor, disposed between the first and second compressor casings (30,30a) and comprising a stator (10) and a rotor (26) rotatable within the stator. A drive shaft (24) is provided, wherein the first impeller (42), second impeller (42a) and the rotor (26) are mounted on the drive shaft (24) and rotatable therewith.
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公开(公告)号：EP1217219A2
公开(公告)日：2002-06-26
申请号：EP01204618.1
申请日：2001-11-29
摘要： A centrifugal compressor assembly, especially one having two or more stages, comprises a first compressor casing having. A fluid inlet and a fluid outlet and a first impeller rotatable within the first compressor casing. The assembly further comprises a second compressor casing having a fluid inlet and a fluid outlet and a second impeller rotatable within the second compressor casing. Drive for the compressors is provided by an electric motor, preferably a permanent magnet motor, disposed between the first and second compressor casings and comprising a stator and a rotor rotatable within the stator. A drive shaft is provided, wherein the first impeller, second impeller and the rotor are mounted on the drive shaft and rotatable therewith.
摘要翻译： 离心压缩机组件，特别是具有两级或更多级的离心式压缩机组件，包括具有第一压缩机壳体的第一压缩机壳体。 流体入口和流体出口以及可在第一压缩机壳体内旋转的第一叶轮。 组件还包括具有流体入口和流体出口的第二压缩机壳体和在第二压缩机壳体内可旋转的第二叶轮。 用于压缩机的驱动器由设置在第一和第二压缩机壳体之间的电动机，优选永磁电动机提供，并且包括可在定子内旋转的定子和转子。 提供驱动轴，其中第一叶轮，第二叶轮和转子安装在驱动轴上并与其一起旋转。
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公开(公告)号：EP1041289A2
公开(公告)日：2000-10-04
申请号：EP00302593.9
申请日：2000-03-29
摘要： A centrifugal compressor assembly, especially one having two or more stages, comprises a first compressor casing (30, 32) having a fluid inlet (40) and a fluid outlet (38) and a first impeller (42) rotatable within the first compressor casing (30, 32). The assembly further comprises as second compressor casing (30a, 32a) having a fluid inlet (40a) and a fluid outlet (38a) and a second impeller rotatable (42a) within the second compressor casing (30a, 32a). Drive for the compressors is provided by a switched reluctance motor (4) disposed between the first and second compressor casings (30, 30a, 32, 32a) and comprising a stator (10) and a rotor (26) rotatable within the stator (10). A drive shaft (24) is provided, wherein the first impeller (42), second impeller (42a) and the rotor (26) are mounted on the drive shaft (24) and rotatable therewith.
摘要翻译： 离心压缩机组件，特别是具有两级或更多级的离心式压缩机组件包括具有流体入口（40）和流体出口（38）的第一压缩机壳体（30,32）和可在第一压缩机壳体内旋转的第一叶轮 （30,32）。 组件还包括具有流体入口（40a）和流体出口（38a）的第二压缩机壳体（30a，32a）和在第二压缩机壳体（30a，32a）内的可旋转的第二叶轮（42a）。 用于压缩机的驱动由设置在第一和第二压缩机壳体（30,30a，32,32a）之间的开关磁阻电动机（4）提供，并且包括定子（10）和可在定子（10）内旋转的转子 ）。 提供驱动轴（24），其中第一叶轮（42），第二叶轮（42a）和转子（26）安装在驱动轴（24）上并与其一起旋转。
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