公开(公告)号：US11560901B2

公开(公告)日：2023-01-24

申请号：US17640536

申请日：2020-11-11

Applicant: Danfoss A/S

Inventor： Alonso Perez ,  Tianlei Li ,  Jin Yan

IPC: F25B1/10 ,  F04D29/44 ,  F04D25/06 ,  F25B1/053

Abstract: A compressor according to an exemplary aspect of the present disclosure includes, among other things, a mixed compression stage having both axial and radial components arranged along a main flow path, and a radial compression stage having an impeller with a plurality of vanes arranged in the main flow path downstream of the mixed compression stage. The impeller is configured to rotate about an axis and has an outlet downstream of the vanes. A movable diffuser is arranged at the outlet, and the movable diffuser is configured to vary an area of the outlet.

公开(公告)号：US11739654B2

公开(公告)日：2023-08-29

申请号：US17422407

申请日：2020-02-21

Applicant: Danfoss A/S

Inventor： Alonso Perez ,  Lin Xiang Sun ,  Jin Yan ,  Tianlei Li

IPC: F01D11/12 ,  F01D11/02 ,  F01D15/00 ,  F16J15/447 ,  F25B31/00

CPC classification number: F01D11/122 ,  F01D11/02 ,  F01D15/005 ,  F16J15/447 ,  F25B31/00 ,  F05D2240/55

Abstract: A compressor according to an exemplary aspect of the present disclosure includes, among other things, a rotor configured to rotate with respect to a stator, the stator having an abradable portion. At least one labyrinth seal is between the rotor and the stator, wherein the labyrinth seal comprises a plurality of teeth extending from the rotor toward the abradable portion.

公开(公告)号：US20220341437A1

公开(公告)日：2022-10-27

申请号：US17640536

申请日：2020-11-11

Applicant: Danfoss A/S

Inventor： Alonso Perez ,  Tianlei Li ,  Jin Yan

IPC: F04D29/44 ,  F25B1/053 ,  F25B1/10 ,  F04D25/06

Abstract: A compressor according to an exemplary aspect of the present disclosure includes, among other things, a mixed compression stage having both axial and radial components arranged along a main flow path, and a radial compression stage having an impeller with a plurality of vanes arranged in the main flow path downstream of the mixed compression stage. The impeller is configured to rotate about an axis and has an outlet downstream of the vanes. A movable diffuser is arranged at the outlet, and the movable diffuser is configured to vary an area of the outlet.

公开(公告)号：US20220120189A1

公开(公告)日：2022-04-21

申请号：US17422407

申请日：2020-02-21

Applicant: Danfoss A/S

Inventor： Alonso Perez ,  Lin Xiang Sun ,  Jin Yan ,  Tianlei Li

IPC: F01D11/12 ,  F01D11/02 ,  F01D15/00 ,  F16J15/447 ,  F25B31/00

Abstract: A compressor according to an exemplary aspect of the present disclosure includes, among other things, a rotor configured to rotate with respect to a stator, the stator having an abradable portion. At least one labyrinth seal is between the rotor and the stator, wherein the labyrinth seal comprises a plurality of teeth extending from the rotor toward the abradable portion.