Title:
REFRIGERATION CYCLE DEVICE AND REFRIGERATION CYCLE METHOD
Document Type and Number:
WIPO Patent Application WO/2022/208717
Kind Code:
A1
Abstract:
The present disclosure is characterized by including: a compressor (3) that compresses a refrigerant that is taken in; a condenser (4) that condenses the refrigerant discharged from the compressor (3) and causes heat exchange thereof; a receiver (6) that stores the refrigerant discharged from the condenser (4); an evaporator (8) that vaporizes the refrigerant discharged from the receiver (6) and causes heat exchange thereof; an upstream expansion valve (5) that is installed in piping between the condenser (4) and the receiver (6); a downstream expansion valve (7) that is installed in piping between the receiver (6) and the evaporator; and a control unit (20) that controls opening degrees of the upstream expansion valve (5) and the downstream expansion valve (7) to be coordinated, so that an opening degree ratio of the opening degrees of the upstream expansion valve (5) and the downstream expansion valve (7) is maintained at a constant.
Inventors:
MORI YUKI (JP)
NAKAI TAKAHIRO (JP)
NAKAI TAKAHIRO (JP)
Application Number:
PCT/JP2021/013815
Publication Date:
October 06, 2022
Filing Date:
March 31, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00; F25B41/39
Foreign References:
| JP2011038742A | 2011-02-24 | |||
| JP2014240714A | 2014-12-25 | |||
| CN106338118A | 2017-01-18 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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