EP 3611442 A4 20210113 - GAS-LIQUID SEPARATION UNIT FOR REFRIGERATION DEVICE, AND REFRIGERATION DEVICE
Title (en)
GAS-LIQUID SEPARATION UNIT FOR REFRIGERATION DEVICE, AND REFRIGERATION DEVICE
Title (de)
GAS-FLÜSSIGKEITSTRENNUNGSEINHEIT FÜR EINE KÄLTEVORRICHTUNG UND KÄLTEVORRICHTUNG
Title (fr)
UNITÉ DE SÉPARATION GAZ-LIQUIDE D'UN DISPOSITIF DE RÉFRIGÉRATION, ET DISPOSITIF DE RÉFRIGÉRATION
Publication
Application
Priority
- JP 2017107915 A 20170531
- JP 2018020814 W 20180530
Abstract (en)
[origin: EP3611442A1] A refrigeration apparatus (1), in which a heat-source-side unit (2) and a utilization-side unit (3) are connected, includes a gas-liquid separation unit (4) having a gas-liquid separator (17) connected to a gas-side connection pipe (6), a first oil return pipe (31) connected to the gas-side connection pipe (6) from a bottom of a gas-liquid separator (17), and a first open/close valve (33) arranged at the first oil return pipe (31).
IPC 8 full level
F25B 1/00 (2006.01); F25B 13/00 (2006.01); F25B 31/00 (2006.01); F25B 43/02 (2006.01); F25B 47/02 (2006.01)
CPC (source: EP)
F25B 31/004 (2013.01); F25B 47/025 (2013.01); F25B 2500/16 (2013.01)
Citation (search report)
- [XAI] JP 2000346502 A 20001215 - MITSUBISHI ELEC BUILDING TECHN
- [A] JP 2013029236 A 20130207 - DAIKIN IND LTD
- [A] JP 2004218992 A 20040805 - DAIKIN IND LTD
- [A] EP 2136158 A1 20091223 - DAIKIN IND LTD [JP]
- See also references of WO 2018221613A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3611442 A1 20200219; EP 3611442 A4 20210113; JP 2018204945 A 20181227; JP 6458895 B2 20190130; WO 2018221613 A1 20181206
DOCDB simple family (application)
EP 18810412 A 20180530; JP 2018020814 W 20180530; JP 2018103510 A 20180530