公开(公告)号：US20170131006A1

公开(公告)日：2017-05-11

申请号：US15322698

申请日：2014-07-03

Applicant: DANFOSS A/S

Inventor： William Turner Thornton ,  Mogens Rasmussen ,  Lin Sun

IPC: F25B31/00 ,  F25B1/10 ,  F25B5/02 ,  F25B49/02

Abstract: An example refrigerant system according to an exemplary aspect of this disclosure includes, among other things, a refrigerant loop having at least a condenser, an evaporator, and a compressor. The compressor includes a motor in communication with a variable speed drive. The system further includes a cooling circuit including a pressure regulator downstream of a heat exchanger, the heat exchanger absorbing heat from the variable speed drive.

公开(公告)号：US10830509B2

公开(公告)日：2020-11-10

申请号：US15322698

申请日：2014-07-03

Applicant: DANFOSS A/S

Inventor： William Turner Thornton ,  Mogens Rasmussen ,  Lin Sun

IPC: F25B31/00 ,  F25B1/10 ,  F25B5/02 ,  F25B49/02 ,  F25B1/053

Abstract: An example refrigerant system according to an exemplary aspect of this disclosure includes, among other things, a refrigerant loop having at least a condenser, an evaporator, and a compressor. The compressor includes a motor in communication with a variable speed drive. The system further includes a cooling circuit including a pressure regulator downstream of a heat exchanger, the heat exchanger absorbing heat from the variable speed drive.

公开(公告)号：US11466698B2

公开(公告)日：2022-10-11

申请号：US16524428

申请日：2019-07-29

Applicant: Danfoss A/S

Inventor： Delvis Anibal Gonzalez ,  Mogens Rasmussen

IPC: F04D29/46 ,  H01F7/08 ,  F04D29/00 ,  F04D17/10 ,  F25B31/02

Abstract: An actuator assembly includes a first actuator, a second actuator, and a moving piece that is disposed between the first actuator and the second actuator. The moving piece is positionable to close a gap in the compressor.

公开(公告)号：US20200032813A1

公开(公告)日：2020-01-30

申请号：US16524428

申请日：2019-07-29

Applicant: Danfoss A/S

Inventor： Delvis Anibal Gonzalez ,  Mogens Rasmussen

IPC: F04D29/46 ,  H01F7/08 ,  F25B31/02 ,  F04D17/10 ,  F04D29/00

Abstract: An actuator assembly includes a first actuator, a second actuator, and a moving piece that is disposed between the first actuator and the second actuator. The moving piece is positionable to close a gap in the compressor.

公开(公告)号：US10184481B2

公开(公告)日：2019-01-22

申请号：US14832399

申请日：2015-08-21

Applicant: DANFOSS A/S

Inventor： Joost Brasz ,  Mogens Rasmussen

IPC: F04D27/00 ,  F04D29/44 ,  F04D27/02 ,  F25B1/053 ,  F25B1/10 ,  F04D17/12

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.

公开(公告)号：US20150354589A1

公开(公告)日：2015-12-10

申请号：US14832399

申请日：2015-08-21

Applicant: DANFOSS A/S

Inventor： Joost Brasz ,  Mogens Rasmussen

IPC: F04D29/44 ,  F04D27/00

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。