REFRIGERATING SYSTEM, EXPANSION VALVE ASSEMBLY AND METHOD FOR CONTROLLING REFRIGERATING SYSTEM
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United States of America Patent
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Issued Date -
Aug 29, 2024
app pub date -
May 16, 2022
filing date -
May 14, 2021
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Abstract
A refrigerating system includes a bypass channel, a second temperature sensor and a controller, the bypass channel communicates a first channel with a second channel and is provided with a throttling portion, which is located between an inlet and an outlet of the bypass channel; a sensing head of the second temperature sensor is arranged in the bypass channel, and is between the throttling portion and the outlet of the bypass channel and close to the outlet; when the system is in operation, a working medium in the bypass channel where the sensing head of the second temperature sensor is located is in a saturated state, and the controller obtains sensing results of a first temperature sensor and the second temperature sensor, determines the difference between the sensing results, and determines the degree of superheat at an inlet of a compressor according to the difference.
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