EP 2021703 A2 20090211 - MULTI-STAGE COMPRESSOR UNIT FOR A REFRIGERATION SYSTEM
Title (en)
MULTI-STAGE COMPRESSOR UNIT FOR A REFRIGERATION SYSTEM
Title (de)
MEHRSTUFIGE VERDICHTEREINHEIT FÜR EIN KÄLTESYSTEM
Title (fr)
UNITÉ DE COMPRESSEUR À ÉTAGES MULTIPLES POUR SYSTÈME DE RÉFRIGÉRATION
Publication
Application
Priority
US 2006021123 W 20060601
Abstract (en)
[origin: WO2007142619A2] A multi-stage compressor unit for a refrigeration system configured to circulate a refrigerant comprises a first compressor sub-unit having a first stage and a second stage, and a second compressor sub-unit in parallel with the first compressor sub-unit and having a first stage. The first and second stages of the first compressor sub-unit each have a suction port and a discharge port. The first compressor sub-unit is configured to receive and compress a first portion of the refrigerant from an evaporator. The first stage of the second compressor sub-unit is configured to compress a second portion of the refrigerant.
IPC 8 full level
CPC (source: EP US)
F25B 1/10 (2013.01 - EP US); F25B 9/008 (2013.01 - EP US); F25B 2309/061 (2013.01 - EP US); F25B 2400/075 (2013.01 - EP US); F25B 2400/13 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
WO 2007142619 A2 20071213; WO 2007142619 A3 20080828; WO 2007142619 B1 20081009; CN 101460789 A 20090617; CN 101460789 B 20110126; EP 2021703 A2 20090211; EP 2021703 A4 20120215; HK 1133918 A1 20100409; JP 2009539058 A 20091112; JP 5028481 B2 20120919; US 2009175748 A1 20090709
DOCDB simple family (application)
US 2006021123 W 20060601; CN 200680054811 A 20060601; EP 06771733 A 20060601; HK 09111531 A 20091209; JP 2009513113 A 20060601; US 30801608 A 20081204