Title:
冷凍空調装置
Document Type and Number:
Japanese Patent JP6618622
Kind Code:
B2
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.
Inventors:
Takashi Kubo
Shinkai Mitsushi
Shinichi Asai
Shinkai Mitsushi
Shinichi Asai
Application Number:
JP2018523239A
Publication Date:
December 11, 2019
Filing Date:
June 23, 2016
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
F25B41/04; F25B1/00; F25B41/00
Domestic Patent References:
| JP2009222272A | ||||
| JP11325654A | ||||
| JP2012215309A | ||||
| JP5019724Y2 |
Attorney, Agent or Firm:
Patent Business Corporation Kisa Patent Trademark Office