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Patent Searching and Data


Title:
REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/064566
Kind Code:
A1
Abstract:
Provided is a refrigeration device with which the leakage of refrigerant is suppressed. The refrigeration device comprises: a heat source unit (10); a plurality of usage units (30) arranged in parallel with respect to the heat source unit; a refrigerant flow path switching unit (40) that has a plurality of gas-side first control valves (42) for switching the flow of refrigerant in the corresponding usage units, and that individually switches the flow of refrigerant in the usage units; gas-side first connecting piping (52) arranged between the heat source unit and each gas-side first control valve, and in which high-pressure gas refrigerant flows; a plurality of gas-side first branch pipes (521) that are included in the gas-side first connecting piping, communicate with a corresponding usage unit, and in which the gas-side first control valves are arranged; and a shutoff valve (65) that is arranged in the gas-side first connecting piping and that shuts off the flow of refrigerant. The gas-side first connecting piping includes a plurality of branch units (BP2) connected to the gas-side first branch pipes, and the shutoff valve is arranged closer to the heat source unit than the branch units.

Inventors:
YAMADA TAKURO
NAKAGAWA YUUSUKE
OKA YUUSUKE
HONDA MASAHIRO
Application Number:
PCT/JP2017/035696
Publication Date:
April 04, 2019
Filing Date:
September 29, 2017
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B13/00; F25B29/00; F25B41/04; F25B49/02
Domestic Patent References:
WO2012101673A12012-08-02
WO2016017643A12016-02-04
Foreign References:
JP2004219061A2004-08-05
JP2016223640A2016-12-28
JP2009299910A2009-12-24
JP2015114048A2015-06-22
Other References:
See also references of EP 3690352A4
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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