Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/085888
Kind Code:
A1
Abstract:
The present invention suppresses a refrigerant from accumulating in stopped indoor units even when some indoor units are operating and other indoor units are stopped. The present invention is provided with: a plurality of indoor heat exchangers (1a, 1b) for performing heat exchange between the refrigerant and air; an outdoor heat exchanger (2) for performing heat exchange between the refrigerant and air; a six-way valve (3) for switching a flow path of the refrigerant; a compressor (7) for compressing the refrigerant; and shut-off valves (4a, 4b) provided so as to be able to shut off the flow of the refrigerant. The plurality of indoor heat exchangers are connected to the outdoor heat exchanger via the six-way valve. The plurality of indoor heat exchangers are connected in parallel to each other, with respect tothe six-way valve. At least one of the plurality of indoor heat exchangers is connected to the six-way valve via the shut-off valve.
Inventors:
NISHIYAMA TAKUMI (JP)
TANAKA KOSUKE (JP)
MATSUDA TAKUYA (JP)
TANAKA KOSUKE (JP)
MATSUDA TAKUYA (JP)
Application Number:
PCT/JP2015/082790
Publication Date:
May 26, 2017
Filing Date:
November 20, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B5/02; F25B41/04; F25B13/00
Domestic Patent References:
| WO2000055551A1 | 2000-09-21 |
Foreign References:
| JPH08170865A | 1996-07-02 | |||
| JPS63108164A | 1988-05-13 | |||
| JPS59104051A | 1984-06-15 | |||
| JPH1194385A | 1999-04-09 | |||
| JP2014081159A | 2014-05-08 |
Other References:
See also references of EP 3379176A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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