EP 3537061 A1 20190911 - OIL EQUALIZATION CONTROL DEVICE, REFRIGERANT CIRCUIT SYSTEM, AND OIL EQUALIZATION CONTROL METHOD
Title (en)
OIL EQUALIZATION CONTROL DEVICE, REFRIGERANT CIRCUIT SYSTEM, AND OIL EQUALIZATION CONTROL METHOD
Title (de)
ÖLAUSGLEICHSSTEUERUNGSVORRICHTUNG, KÜHLMITTELKREISLAUFSYSTEM UND ÖLAUSGLEICHSVERFAHREN
Title (fr)
DISPOSITIF DE COMMANDE D'ÉGALISATION D'HUILE, SYSTÈME DE CIRCUIT DE RÉFRIGÉRATION, ET PROCÉDÉ DE COMMANDE D'ÉGALISATION D'HUILE
Publication
Application
Priority
- JP 2016256135 A 20161228
- JP 2017046672 W 20171226
Abstract (en)
An oil equalization control device, provided with: a sensor information acquisition unit for acquiring, in a refrigerant circuit provided with a plurality of compressors, a state quantity relating to the amount of refrigerating machine oil in a compressor, for each of the plurality of compressors; a control sequence determination unit for determining the control sequence for the compressors in oil equalization control in accordance with the amounts of the refrigerating machine oil in the compressors based on the state quantities; and an oil equalization control unit for varying the rotation speed of at least one of the plurality of compressors and performing oil equalization control on the basis of the order determined by the control sequence determination unit.
IPC 8 full level
F25B 1/00 (2006.01)
CPC (source: EP)
F25B 31/002 (2013.01); F25B 2400/075 (2013.01); F25B 2600/0261 (2013.01); F25B 2700/03 (2013.01); F25B 2700/1933 (2013.01); F25B 2700/21155 (2013.01)
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3537061 A1 20190911; EP 3537061 A4 20191016; CN 110114622 A 20190809; JP 2018109452 A 20180712; WO 2018124083 A1 20180705
DOCDB simple family (application)
EP 17885453 A 20171226; CN 201780079111 A 20171226; JP 2016256135 A 20161228; JP 2017046672 W 20171226