EP 3394449 A2 20181031 - REFRIGERANT COMPRESSOR SYSTEM
Title (en)
REFRIGERANT COMPRESSOR SYSTEM
Title (de)
KÄLTEMITTELVERDICHTERANLAGE
Title (fr)
SYSTÈME DE COMPRESSEURS DE RÉFRIGÉRANT
Publication
Application
Priority
- DE 102015122443 A 20151221
- EP 2016081957 W 20161220
Abstract (en)
[origin: WO2017108812A2] Disclosed is a refrigerant compressor system comprising at least three compressors which are arranged in parallel between a suction line and a pressure line and each of which includes a lubricant sump unit; during operation, the compressors operate in such a way that the pressures in the lubricant sump units of the compressors form a pressure cascade in which the compressors have a gradually slightly decreasing pressure in the associated lubricant sump units in a defined cascade sequence; the lubricant sump units are connected to each other according to the cascade sequence by means of a lubricant line system in order for lubricant to be delivered, and each lubricant sump unit includes a connection to which an insertion element is connected, the insertion element establishing a connection to the lubricant line system and being designed in such a way as to set, for the associated lubricant sump unit, a lubricant level from which lubricant is delivered to the subsequent lubricant sump unit in the cascade sequence.
IPC 8 full level
F04C 23/00 (2006.01); F04C 29/02 (2006.01)
CPC (source: EP US)
F04B 39/02 (2013.01 - EP US); F04B 39/0207 (2013.01 - EP US); F04B 39/0246 (2013.01 - EP US); F04B 41/06 (2013.01 - EP US); F04C 18/0215 (2013.01 - EP US); F04C 23/00 (2013.01 - EP US); F04C 23/001 (2013.01 - EP US); F04C 23/008 (2013.01 - EP US); F04C 29/021 (2013.01 - EP US); F04C 29/025 (2013.01 - EP US); F04C 2240/70 (2013.01 - EP US); F04C 2240/809 (2013.01 - EP US)
Citation (search report)
See references of WO 2017108812A2
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)
DE 102015122443 A1 20170622; DE 102015122443 B4 20221222; CN 108291545 A 20180717; CN 108291545 B 20200609; EP 3394449 A2 20181031; EP 3394449 B1 20210203; US 10968913 B2 20210406; US 2018298905 A1 20181018; WO 2017108812 A2 20170629; WO 2017108812 A3 20171026
DOCDB simple family (application)
DE 102015122443 A 20151221; CN 201680067510 A 20161220; EP 16823266 A 20161220; EP 2016081957 W 20161220; US 201816013036 A 20180620