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公开(公告)号：US20230168014A1
公开(公告)日：2023-06-01
申请号：US17456999
申请日：2021-11-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Neeraj S Shidore , Min Sun , Ryan D Hopper , Cameron Paul Smith
CPC classification number: F25B49/02 , G01N9/26 , F25B2700/191
Abstract: Methods and systems provided for determining a phase state and/or for determining a degree of subcooling in a fluid. An exemplary method for operating a refrigeration cycle includes flowing a refrigerant through a metering device and calculating a pressure differential of the refrigerant across the metering device. Further, the method includes determining whether the refrigerant is a saturated liquid based on the pressure differential. The method includes, when the refrigerant is not a saturated liquid, cooling the refrigerant upstream of the metering device.
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公开(公告)号：US11933528B2
公开(公告)日：2024-03-19
申请号：US17456999
申请日：2021-11-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Neeraj S Shidore , Min Sun , Ryan D Hopper , Cameron Paul Smith
CPC classification number: F25B49/02 , G01N9/26 , F25B2700/191
Abstract: Methods and systems provided for determining a phase state and/or for determining a degree of subcooling in a fluid. An exemplary method for operating a refrigeration cycle includes flowing a refrigerant through a metering device and calculating a pressure differential of the refrigerant across the metering device. Further, the method includes determining whether the refrigerant is a saturated liquid based on the pressure differential. The method includes, when the refrigerant is not a saturated liquid, cooling the refrigerant upstream of the metering device.
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