EP 2729744 B1 20171122 - METHOD FOR BALANCING LUBRICANT LEVELS IN A MULTI-STAGE COMPRESSION UNIT OF A HEAT EXCHANGE SYSTEM, AND HEAT EXCHANGE SYSTEM IMPLEMENTING SUCH A METHOD
Title (en)
METHOD FOR BALANCING LUBRICANT LEVELS IN A MULTI-STAGE COMPRESSION UNIT OF A HEAT EXCHANGE SYSTEM, AND HEAT EXCHANGE SYSTEM IMPLEMENTING SUCH A METHOD
Title (de)
VERFAHREN ZUM AUSGLEICH VON SCHMIERMITTELKONZENTRATIONEN IN EINEM MEHRSTUFIGER VERDICHTUNGSEINEHIT EINES WÄRMEAUSTAUSCHSYSTEMS UND WÄRMEAUSTAUSCHSYSTEM ZUR UMSETZUNG DIESES VERFAHRENS
Title (fr)
PROCEDE D'EQUILIBRAGE DES NIVEAUX DE LUBRIFIANT DANS UNE UNITE DE COMPRESSION MULTI-ETAGEE D'UN SYSTEME D'ECHANGE THERMIQUE ET SYSTEME D'ECHANGE THERMIQUE METTANT EN OEUVRE UN TEL PROCEDE
Publication
Application
Priority
- FR 1156120 A 20110706
- FR 2012051564 W 20120704
Abstract (en)
[origin: WO2013004974A1] The invention relates to a method for balancing lubricant levels in a multi-stage compression unit (20) of a heat exchange system (1), said compression unit comprising a first compressor (23) and a second compressor (24) arranged in series, the first compressor (23) feeding into the second compressor (24), said balancing method including, during the defrosting of a heat exchanger (5), the transfer of a surplus of lubricant from the first compressor (23) to the second compressor (24) via a balancing line (50), said line comprising first (51) and second (52) valves arranged in parallel, the first valve (51) having a forward bias direction from the first compressor (23) to the second compressor (24), the second valve (52) having a forward bias direction from the first compressor (23) to the second compressor (24), and a reverse bias direction from the second compressor (24) to the first compressor (23).
IPC 8 full level
F25B 31/00 (2006.01); F25B 1/10 (2006.01); F25B 47/02 (2006.01)
CPC (source: EP)
F25B 1/10 (2013.01); F25B 31/004 (2013.01); F25B 47/025 (2013.01); F25B 2313/02741 (2013.01); F25B 2400/06 (2013.01); F25B 2400/075 (2013.01); F25B 2500/16 (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
DOCDB simple family (publication)
WO 2013004974 A1 20130110; EP 2729744 A1 20140514; EP 2729744 B1 20171122; FR 2977657 A1 20130111; FR 2977657 B1 20180504
DOCDB simple family (application)
FR 2012051564 W 20120704; EP 12738564 A 20120704; FR 1156120 A 20110706