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Title:
REFRIGERATION CYCLE DEVICE AND REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/207618
Kind Code:
A1
Abstract:
This refrigeration cycle device has a refrigerant circuit comprising a compressor, a condenser, a receiver, a first subcooler, a throttle device and an evaporator which are connected by refrigerant pipes and through which a refrigerant that includes refrigerant with a temperature gradient is circulated. This refrigeration cycle device also comprises a control unit that calculates the degree of supercooling in the refrigerant circuit, compares the degree of supercooling with a preset threshold value, and determines whether to increase the condensation temperature in the condenser.

Inventors:
ARII, Yusuke (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
NAKAGAWA, Masahiko (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
SATA, Hiroshi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
SAIKUSA, Tetsuji (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2018/016419
Publication Date:
October 31, 2019
Filing Date:
April 23, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
F25B1/00
Domestic Patent References:
WO2017195248A12017-11-16
WO2017145244A12017-08-31
WO2016166845A12016-10-20
WO2014203356A12014-12-24
Foreign References:
JPS6467568A1989-03-14
JP2004286266A2004-10-14
JPS60111459U1985-07-29
JPH06207758A1994-07-26
JPH0914779A1997-01-17
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (East 8F, TORANOMON TWIN BLDG. 10-1 Toranomon 2-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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