Title:
REFRIGERATION AND AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/221384
Kind Code:
A1
Abstract:
A refrigeration and air conditioning device is provided with: a refrigeration cycle device in which a compressor, a condenser, a solenoid valve, an expansion valve, and an evaporator are annularly connected by piping; and a control device, wherein the control device is provided with an expansion valve control unit for closing the expansion valve at the time of a pump-down stop process, and a solenoid valve control unit for closing the solenoid valve after the expansion valve is completely closed at the time of the pump-down stop process.
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Inventors:
KUBO TAKASHI (JP)
SHINKAI KOJI (JP)
ASAI SHINICHI (JP)
SHINKAI KOJI (JP)
ASAI SHINICHI (JP)
Application Number:
PCT/JP2016/068704
Publication Date:
December 28, 2017
Filing Date:
June 23, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00; F25B41/04; F25B41/00
Foreign References:
JP2009222272A | 2009-10-01 | |||
JPH0519724Y2 | 1993-05-24 | |||
JPH11325654A | 1999-11-26 | |||
JP2012215309A | 2012-11-08 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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