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Title:
冷媒状態検知装置、冷媒状態検知方法及び温調システム
Document Type and Number:
Japanese Patent JP7210018
Kind Code:
B2
Abstract:
A refrigerant condition detection device (40A) according to an embodiment includes: a temperature information acquisition unit (41) that acquires a temperature of a refrigerant flowing out from the condenser of a refrigeration circuit having a compressor, the condenser, an expansion valve, and an evaporator, and also acquires a temperature of a cooling fluid before it cools the refrigerant in the condenser; and a refrigerant condition determination unit (42) that determines that a leakage or shortage of the refrigerant occurs, when a difference between the temperature of the refrigerant and the temperature of the cooing fluid, which are acquired by the temperature information acquisition unit (41), exceeds a threshold value previously recorded.

Inventors:
Shunji Yamaguchi
Toruaki Minehara
Kenta Fukai
Application Number:
JP2019089951A
Publication Date:
January 23, 2023
Filing Date:
May 10, 2019
Export Citation:
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Assignee:
Shinwa Controls Co., Ltd.
International Classes:
F25B49/02; F24F11/36; F24F11/38; F24F11/49; F25B1/00; F25B6/04; F25B39/04; F25B45/00
Domestic Patent References:
JP2019002639A
JP2005140409A
JP201775761A
Attorney, Agent or Firm:
Hiroyuki Nagai
Nakamura Yukitaka
Satoru Asakura
Yoshiki Kanagawa