公开(公告)号：WO2021096905A1

公开(公告)日：2021-05-20

申请号：PCT/US2020/059929

申请日：2020-11-11

Applicant: DANFOSS A/S

Inventor： PEREZ, Alonso ,  LI, Tianlei ,  YAN, Jin

IPC: F04D1/00 ,  F04D3/00 ,  F04D17/00 ,  F25B1/10 ,  F25B1/053 ,  F04D17/10 ,  F04D27/02

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：WO2020176339A1

公开(公告)日：2020-09-03

申请号：PCT/US2020/019192

申请日：2020-02-21

Applicant: DANFOSS A/S

Inventor： PEREZ, Alonso ,  SUN, Lin Xiang ,  YAN, Jin ,  LI, Tianlei

IPC: F16J15/447 ,  F01D5/20 ,  F01D11/08

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.