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1.发明申请TWO-STAGE CENTRIFUGAL COMPRESSOR WITH EXTENDED RANGE AND CAPACITY CONTROL FEATURES 有权具有扩展范围和容量控制功能的两级离心式压缩机公开(公告)号：US20150128640A1
公开(公告)日：2015-05-14
申请号：US14479964
申请日：2014-09-08
Applicant: DANFOSS TURBOCOR COMPRESSORS B.V.
Inventor： Lin Sun , Salvador Quitaleg , Joost Brasz
CPC classification number: F04D17/122 , F04D27/0207 , F25B1/053 , F25B1/10 , F25B41/04 , F25B2400/07 , F25B2400/13
Abstract: One exemplary embodiment of this disclosure relates to a centrifugal refrigerant compressor system. The system includes a condenser, an evaporator, and an economizer between the condenser and the evaporator. The system further includes a centrifugal compressor having a first impeller and a second impeller downstream of the first impeller. The compressor includes at least one port. Fluid from a recirculation flow path and an economizer flow path is introduced into a main flow path of the compressor by way of the at least one port.
Abstract translation: 本公开的一个示例性实施例涉及一种离心制冷剂压缩机系统。 该系统包括在冷凝器和蒸发器之间的冷凝器，蒸发器和节能器。 该系统还包括离心式压缩机，其具有在第一叶轮下游的第一叶轮和第二叶轮。 压缩机包括至少一个端口。 通过至少一个端口将来自再循环流路和节约器流路的流体引入压缩机的主流路。
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公开(公告)号：US09157446B2
公开(公告)日：2015-10-13
申请号：US14096395
申请日：2013-12-04
Applicant: DANFOSS TURBOCOR COMPRESSORS B.V.
Inventor： Joost Brasz , Mogens Rasmussen
CPC classification number: F04D27/009 , F04D17/122 , F04D27/0215 , F04D27/0238 , F04D29/444 , F05D2250/52 , F25B1/053 , F25B1/10 , F25B2600/0253 , F25B2600/0262 , Y02B30/741
Abstract: This disclosure relates to a centrifugal compressor. In a first example, the compressor includes a first impeller provided in a main refrigerant flow path, a second impeller provided in the main refrigerant flow path downstream of the first impeller, and a recirculation flow path. In the first example, the recirculation flow path is provided between a first location and a second location along the main refrigerant flow path. The first location is downstream of the second location, and the second location is downstream of the first impeller. In a second example, the compressor includes an impeller provided in a main refrigerant flow path, and a recirculation flow path provided between a first location and a second location along the main refrigerant flow path. In the second example, the recirculation flow path includes a recirculation volute. Further disclosed is a method for operating a centrifugal compressor.
Abstract translation: 本公开涉及一种离心式压缩机。 在第一示例中，压缩机包括设置在主制冷剂流路中的第一叶轮，设置在第一叶轮下游的主制冷剂流路中的第二叶轮和再循环流路。 在第一示例中，再循环流动路径设置在沿着主制冷剂流动路径的第一位置和第二位置之间。 第一位置在第二位置的下游，第二位置在第一叶轮的下游。 在第二示例中，压缩机包括设置在主制冷剂流动路径中的叶轮和设置在沿着主制冷剂流动路径的第一位置和第二位置之间的再循环流动路径。 在第二示例中，再循环流动路径包括再循环蜗壳。 进一步公开了一种操作离心式压缩机的方法。
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3.发明授权Two-stage centrifugal compressor with extended range and capacity control features 有权具有扩展范围和容量控制功能的两级离心压缩机公开(公告)号：US09382911B2
公开(公告)日：2016-07-05
申请号：US14479964
申请日：2014-09-08
Applicant: DANFOSS TURBOCOR COMPRESSORS B.V.
Inventor： Lin Sun , Salvador Quitaleg , Joost Brasz
CPC classification number: F04D17/122 , F04D27/0207 , F25B1/053 , F25B1/10 , F25B41/04 , F25B2400/07 , F25B2400/13
Abstract: One exemplary embodiment of this disclosure relates to a centrifugal refrigerant compressor system. The system includes a condenser, an evaporator, and an economizer between the condenser and the evaporator. The system further includes a centrifugal compressor having a first impeller and a second impeller downstream of the first impeller. The compressor includes at least one port. Fluid from a recirculation flow path and an economizer flow path is introduced into a main flow path of the compressor by way of the at least one port.
Abstract translation: 本公开的一个示例性实施例涉及一种离心制冷剂压缩机系统。 该系统包括在冷凝器和蒸发器之间的冷凝器，蒸发器和节能器。 该系统还包括离心式压缩机，其具有在第一叶轮下游的第一叶轮和第二叶轮。 压缩机包括至少一个端口。 通过至少一个端口将来自再循环流路和节约器流路的流体引入压缩机的主流路。
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公开(公告)号：US20140208788A1
公开(公告)日：2014-07-31
申请号：US14096395
申请日：2013-12-04
Applicant: DANFOSS TURBOCOR COMPRESSORS B.V.
Inventor： Joost Brasz , Mogens Rasmussen
CPC classification number: F04D27/009 , F04D17/122 , F04D27/0215 , F04D27/0238 , F04D29/444 , F05D2250/52 , F25B1/053 , F25B1/10 , F25B2600/0253 , F25B2600/0262 , Y02B30/741
Abstract: This disclosure relates to a centrifugal compressor. In a first example, the compressor includes a first impeller provided in a main refrigerant flow path, a second impeller provided in the main refrigerant flow path downstream of the first impeller, and a recirculation flow path. In the first example, the recirculation flow path is provided between a first location and a second location along the main refrigerant flow path. The first location is downstream of the second location, and the second location is downstream of the first impeller. In a second example, the compressor includes an impeller provided in a main refrigerant flow path, and a recirculation flow path provided between a first location and a second location along the main refrigerant flow path. In the second example, the recirculation flow path includes a recirculation volute. Further disclosed is a method for operating a centrifugal compressor.
Abstract translation: 本公开涉及一种离心式压缩机。 在第一示例中，压缩机包括设置在主制冷剂流路中的第一叶轮，设置在第一叶轮下游的主制冷剂流路中的第二叶轮和再循环流路。 在第一示例中，再循环流动路径设置在沿着主制冷剂流动路径的第一位置和第二位置之间。 第一位置在第二位置的下游，第二位置在第一叶轮的下游。 在第二示例中，压缩机包括设置在主制冷剂流动路径中的叶轮和设置在沿着主制冷剂流动路径的第一位置和第二位置之间的再循环流动路径。 在第二示例中，再循环流动路径包括再循环蜗壳。 进一步公开了一种操作离心式压缩机的方法。
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