Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
REFRIGERATION CYCLE DEVICE AND AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/047832
Kind Code:
A1
Abstract:
The present invention provides a refrigeration cycle device including a refrigerant circuit which is formed by connecting a compressor, a condenser, an expansion valve, and an evaporator connected via pipes and which circulates a mixed refrigerant having a temperature gradient, the refrigeration cycle device comprising: a two-phase pipe temperature sensor that detects a heat exchanger passage temperature of the mixed refrigerant passing through the evaporator; and a control device that corrects the heat exchanger passage temperature detected by the two-phase pipe temperature sensor, determines whether to perform dry protection control on the basis of the corrected temperature, and performs the dry protection control on the basis of the determination.

Inventors:
SAKAI MIZUO (JP)
MINEOKA TATSUYA (JP)
YAN KAKKO (JP)
Application Number:
PCT/JP2022/032912
Publication Date:
March 07, 2024
Filing Date:
September 01, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00
Foreign References:
JPH08320158A1996-12-03
JP2011179746A2011-09-15
JP2012220042A2012-11-12
JP2017053566A2017-03-16
JP2021014962A2021-02-12
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Download PDF: