Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/116407
Kind Code:
A1
Abstract:
This refrigeration cycle device (1) comprises a compressor group (3), a four-way valve (5), a first heat exchanger (7), an expansion valve (9), a second heat exchanger (11), an accumulator (13), and an oil storage (15). The oil storage (15) and the discharge side of the compressor group (3) are connected by discharge gas bypass piping (17) provided with a first solenoid valve (19). The oil storage (15) and the accumulator (13) are connected by first oil bypass piping (21) provided with a second solenoid valve (23). The oil storage (15) and the compressor group (3) are connected by second oil bypass piping (25) provided with a third solenoid valve (27).
Inventors:
ITO MASAHIRO (JP)
Application Number:
PCT/JP2016/088114
Publication Date:
June 28, 2018
Filing Date:
December 21, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B31/00; F25B1/00
Foreign References:
| JP2001147047A | 2001-05-29 | |||
| JPH11337194A | 1999-12-10 | |||
| JP2016176664A | 2016-10-06 | |||
| JPH05322331A | 1993-12-07 | |||
| JP2007139215A | 2007-06-07 | |||
| JP4130676B2 | 2008-08-06 |
Other References:
See also references of EP 3561410A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
Download PDF:
Previous Patent: TRANSPORT DEVICE
Next Patent: HEAT EXCHANGER, METHOD FOR MANUFACTURING SAME, AND REFRIGERATION CYCLE DEVICE
Next Patent: HEAT EXCHANGER, METHOD FOR MANUFACTURING SAME, AND REFRIGERATION CYCLE DEVICE