公开(公告)号：WO2023057463A1

公开(公告)日：2023-04-13

申请号：PCT/EP2022/077607

申请日：2022-10-04

Applicant: MAERSK CONTAINER INDUSTRY A/S

Inventor： CAI, Junping

IPC: F25B49/00 ,  F25B1/10 ,  F25B49/02 ,  F25B2345/00 ,  F25B2345/003 ,  F25B2400/13 ,  F25B2500/19 ,  F25B2500/22 ,  F25B2500/222 ,  F25B2700/13 ,  F25B2700/133 ,  F25B2700/135 ,  F25B2700/1931 ,  F25B2700/1933 ,  F25B2700/2106 ,  F25B2700/21151 ,  F25B2700/21152 ,  F25B49/005

Abstract: Provided is a method (300) of determining a loss of charge of refrigerant in a refrigeration system(100). The method (300) comprises determining at least one performance characteristic of the refrigeration system (100). The at least one performance characteristic comprises a mass flow rate of the refrigerant in the refrigeration system (100). The method (300) further comprises, when one or more predetermined criteria are met on the basis of the performance characteristic, determining a loss of charge in the refrigeration system (100).

公开(公告)号：WO2021142327A1

公开(公告)日：2021-07-15

申请号：PCT/US2021/012784

申请日：2021-01-08

Applicant: JOHNSON CONTROLS TECHNOLOGY COMPANY

Inventor： NEMIT, JR., Paul ,  COMSTOCK, Angela Marie

IPC: F04B39/08 ,  F04B39/10 ,  F04B49/03 ,  F04B49/22 ,  F04C28/24 ,  F04D27/00 ,  F25B1/00 ,  F04B39/1013 ,  F04B49/225 ,  F04C18/16 ,  F04C29/0014 ,  F25B1/047 ,  F25B2400/077 ,  F25B2400/13 ,  F25B2500/19 ,  F25B2600/0253 ,  F25B2600/2509 ,  F25B2600/2515 ,  F25B2700/04 ,  F25B2700/13 ,  F25B2700/171 ,  F25B2700/193 ,  F25B2700/2109 ,  F25B2700/2115 ,  F25B31/023 ,  F25B41/20 ,  F25B41/30 ,  F25B41/39 ,  F25B49/02

Abstract: An economizer control system includes a compressor including a compression area, a piston chamber, and an economizer inlet configured to receive economizer vapor into the compression area via a flow path that extends between the economizer inlet and the compression area. At least a portion of the flow path traverses the piston chamber. The economizer control system also includes a piston disposed within the piston chamber and configured to contact the economizer vapor. The piston is moveable between an open position that opens the flow path and a closed position that closes the flow path. Additionally, the economizer control system includes a biasing system configured to apply force to the piston to bias the piston toward the closed position.

公开(公告)号：WO2022261239A2

公开(公告)日：2022-12-15

申请号：PCT/US2022/032714

申请日：2022-06-08

Applicant: ENERGY RECOVERY, INC.

Inventor： THATTE, Azam Mihir ,  GHASRIPOOR, Farshad ,  CHEN, Kuo-Chiang

IPC: F25B6/04 ,  F25D17/02 ,  F04F13/00 ,  F25B13/00 ,  F03G7/00 ,  F25B2600/025 ,  F25B2600/13 ,  F25B2700/13 ,  F25B2700/151 ,  F25B2700/1933 ,  F25B2700/195 ,  F25B2700/21152 ,  F25B2700/21173 ,  F25B30/02 ,  F25B39/00 ,  F25B39/04 ,  F25B41/20 ,  F25B49/02 ,  F25B49/022 ,  F25B7/00 ,  F25B9/008

Abstract: A system includes a pressure exchanger (PX) configured to receive a first fluid at a first pressure, receive a second fluid at a second pressure, and exchange pressure between the first fluid and the second fluid. The first fluid is to exit the PX at a third pressure and the second fluid is to exit the PX at a fourth pressure. The system further includes a first heat exchanger configured to provide the first fluid to the PX and provide corresponding thermal energy from the first fluid to a third fluid. The system further includes a turbine configured to receive the third fluid output from the first heat exchanger. The turbine is further configured to convert corresponding thermal energy of the third fluid into kinetic energy.