公开(公告)号：US12050036B2

公开(公告)日：2024-07-30

申请号：US17795358

申请日：2021-03-16

Applicant: DANFOSS A/S

Inventor： Lin Xiang Sun ,  Tianlei Li ,  Brandon Keith Pritchard

IPC: F25B31/00 ,  F04B35/04 ,  F04B39/06 ,  F25B1/053 ,  F25B1/10 ,  F25B5/02 ,  F25B41/20 ,  H02K11/33 ,  H02P1/28 ,  H02P1/52

CPC classification number: F25B31/006 ,  F04B35/04 ,  F04B39/06 ,  F25B1/053 ,  F25B1/10 ,  F25B5/02 ,  F25B41/20 ,  H02K11/33 ,  H02P1/28 ,  H02P1/52 ,  F25B2700/2104

Abstract: This disclosure relates to refrigerant compressors, and, in particular, relates to cooling for the power electronics of such compressors. An example refrigerant system includes a main refrigerant loop in communication with a condenser, an evaporator, and a compressor. The refrigerant system further includes at least one cooling line configured to direct refrigerant from the main refrigerant loop to cool a chamber containing electronic components. A method is also disclosed.

公开(公告)号：US20210372382A1

公开(公告)日：2021-12-02

申请号：US17401934

申请日：2021-08-13

Applicant: Danfoss A/S

Inventor： Tianlei Li ,  Lin Sun ,  Mihai Bogdan Dobrica

IPC: F04B7/00 ,  F04B43/00 ,  F16J15/3288 ,  F25B11/04

Abstract: A centrifugal compressor for HVAC application includes a rotary component rotatable about an axis, a static component, and a brush seal fixed to one of the static component and the rotary component. The brush seal includes bristles that contact the other of the static component and the rotary component.

公开(公告)号：US20200003455A1

公开(公告)日：2020-01-02

申请号：US16455998

申请日：2019-06-28

Applicant: Danfoss A/S

Inventor： Tianlei Li ,  Zili Sun ,  Lin Sun

IPC: F25B1/053 ,  F04D27/00 ,  F04D29/44

Abstract: A centrifugal compressor includes a first stage and a second stage. At least one of the first stage and the second stage includes an impeller and a shroud spaced from the impeller and configured to guide a fluid flow through the impeller. The shroud is selectively moveable between an engaged position and a disengaged position.