Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/145007
Kind Code:
A1
Abstract:
This refrigeration cycle device is equipped with: a refrigeration cycle circuit through which a refrigerant circulates and in which a compressor, a condenser, a throttling device and an evaporator are connected by pipe; and a control device for determining whether or not refrigerant leakage or a throttling device abnormality has occurred, on the basis of the degree of supercooling on the discharge side of the condenser, and the degree of superheating on the discharge side of the evaporator or the degree of superheating on the intake side of the compressor.
Inventors:
OCHIAI YASUTAKA (JP)
TASAKI NOBUAKI (JP)
SATO FUYUKI (JP)
TASAKI NOBUAKI (JP)
SATO FUYUKI (JP)
Application Number:
PCT/JP2020/020216
Publication Date:
July 22, 2021
Filing Date:
May 22, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B5/02; F25B1/00; F25B49/02
Domestic Patent References:
| WO2019102538A1 | 2019-05-31 |
Foreign References:
| JPH02287071A | 1990-11-27 | |||
| JP2017125654A | 2017-07-20 | |||
| JP2011220624A | 2011-11-04 | |||
| JPH03186170A | 1991-08-14 |
Other References:
See also references of EP 4092353A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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