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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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2.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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