Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/163698
Kind Code:
A1
Abstract:
The present invention proposes a refrigeration cycle device that can suppress the phenomenon of condensed refrigerant accumulation in a heat source side heat exchanger during low-load operation. A refrigeration cycle device (100) that provides air conditioning for a space to be air-conditioned. The refrigeration cycle device comprises a refrigerant circuit (10) and a control unit (60). The refrigerant circuit includes a compressor (21), a heat source side heat exchanger (23), an expansion mechanism (25), a user side heat exchanger (52), and a flow direction switching mechanism (22). The control unit controls the compressor and the flow direction switching mechanism. The control unit executes first control to temporarily increase the pressure of the refrigerant flowing through the heat source side heat exchanger in low-load operation, in which the refrigerant circuit is in a low-load state with a low air conditioning load and the compressor operates at a predetermined rotational speed or less.

Inventors:
TAKAHASHI KEN
Application Number:
PCT/JP2022/002887
Publication Date:
August 04, 2022
Filing Date:
January 26, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F24F11/61; F25B1/00; F24F11/84; F24F11/86; F24F11/871
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
Download PDF: