公开(公告)号：WO2022112341A1

公开(公告)日：2022-06-02

申请号：PCT/EP2021/082843

申请日：2021-11-24

Applicant: DANFOSS COMMERCIAL COMPRESSORS

Inventor： LAVY, Julien ,  GENEVOIS, David ,  BOU DARGHAM, Remi ,  STREDA, Gabriel

IPC: F04C18/02 ,  F04C29/12 ,  F04C23/00

Abstract: Discharge check valve assembly (18) including a tubular valve housing (21) having a first end portion (21.1) configured to be arranged inside a compressor shell (2) and a second end portion (21.2) configured to be arranged outside the compressor shell (2); a valve seat (24) located within the tubular valve housing (21); a valve member (25) movable between a closed position in which the valve member (25) bears against the valve seat (24) and an open position in which the valve member (25) is remote from the valve seat (24); and a valve body (26) arranged within the tubular valve housing (21) and comprising a ring-shaped attachment portion (27) fixed to an inner surface of the tubular valve housing (21), the valve body (26) further comprising a guiding portion (28) which is configured to guide the valve member (25) between the closed and open positions and which is connected to the ring-shaped attachment portion (27) by at least two connecting arms (29) protruding from an outer surface of the guiding portion (28), the outer surface of the guiding portion (28) having a cross-section which tapers towards the second end portion (21.2) of the tubular valve housing (21) and away from the valve seat (24).