Title:
COLD HEAT SOURCE UNIT AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/168238
Kind Code:
A1
Abstract:
In this invention, a control device (50) determines that the amount of liquid refrigerant returned to a compressor (1) is excessive if the ACC inlet SH, which is the superheat of the refrigerant at the inlet portion of a gas-liquid separator (6) as calculated on the basis of the saturation temperature of the refrigerant corresponding to the detected pressure of an inlet pipe pressure sensor (7) and the detected temperature of an ACC inlet temperature thermistor (11), is a threshold value or less.
Inventors:
KOYAMA SHINTARO (JP)
SATA HIROSHI (JP)
KIKUCHI SHUNSUKE (JP)
MORITA HISATO (JP)
SATA HIROSHI (JP)
KIKUCHI SHUNSUKE (JP)
MORITA HISATO (JP)
Application Number:
PCT/JP2021/004128
Publication Date:
August 11, 2022
Filing Date:
February 04, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B43/00; F25B43/02; F25B49/02
Domestic Patent References:
| WO2017122479A1 | 2017-07-20 |
Foreign References:
| JP2011106714A | 2011-06-02 | |||
| JP2010164219A | 2010-07-29 | |||
| JP2003302127A | 2003-10-24 | |||
| JP2011169475A | 2011-09-01 | |||
| JP2011163728A | 2011-08-25 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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