Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/084743
Kind Code:
A1
Abstract:
In a refrigeration cycle device (100), a refrigerant circulates in the following order: a compressor (1), a first heat exchanger (2), a second heat exchanger (3), a first expansion valve (5), and a third heat exchanger (4). The refrigeration cycle device (100) comprises a receiver (8), a second expansion valve (6), a first flow path (FP1), a second flow path (FP2), a vent pipe (9), and a third expansion valve (7). The second expansion valve (6) is connected to a second port (P72). The first flow path (FP1) connects the second expansion valve (6) to the compressor (1) via the second heat exchanger (3). The second flow path (FP2) connects the first heat exchanger (2) to the second heat exchanger (3). The vent pipe (9) connects a third port (P73) to the portion of the first flow path (FP1) between the second expansion valve (6) and the second heat exchanger (3). The third expansion valve (7) is connected between the second flow path (FP2) and a first port (P71).

Inventors:
ISHIKAWA TOMOTAKA (JP)
ARII YUSUKE (JP)
HAYASAKA MOTOSHI (JP)
Application Number:
PCT/JP2019/043094
Publication Date:
May 06, 2021
Filing Date:
November 01, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00
Domestic Patent References:
WO2017068642A12017-04-27
Foreign References:
JP2010127531A2010-06-10
JP2009156531A2009-07-16
JP2010185406A2010-08-26
JPH03294750A1991-12-25
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
Download PDF: