EP 2604863 B1 20170719 - Rotary compessor
Title (en)
Rotary compessor
Title (de)
Drehkompressor
Title (fr)
Compresseur rotatif
Publication
Application
Priority
EP 11009817 A 20111213
Abstract (en)
[origin: EP2604863A1] The present invention concerns a rotary compressor for compressing a gaseous medium, comprising an impeller (2), a drive unit (3) and a magnetic coupling (4) comprising a rotating inner rotor (41), a rotating outer rotor (42) and a can (40), wherein the inner rotor (41) is connected to the impeller (2), wherein the impeller (2) comprises a continuous solid portion (25), wherein a first row (21) and a second row (22) of blades (23) are provided at the outer circumference of the solid portion (25) of the impeller, the first and second row of blades being separated by a circumferential middle wall (20), and wherein the blades (23) of the first row (21) are offset in circumferential direction relative to the blades (23) of the second row (22).
IPC 8 full level
F01D 25/22 (2006.01); F04D 13/02 (2006.01); F04D 23/00 (2006.01); F04D 25/02 (2006.01); F04D 29/52 (2006.01)
CPC (source: EP US)
F01D 25/22 (2013.01 - US); F04D 13/026 (2013.01 - US); F04D 23/008 (2013.01 - EP US); F04D 25/026 (2013.01 - EP US); F04D 29/526 (2013.01 - US)
Citation (examination)
US 3518021 A 19700630 - LAKE JOHN E, et al
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 2604863 A1 20130619; EP 2604863 A8 20131009; EP 2604863 B1 20170719; AU 2012350434 B2 20160505; BR 112014014489 A2 20170613; BR 112014014489 A8 20170613; CA 2861214 A1 20130620; CN 104093987 A 20141008; MX 2014007008 A 20140722; MX 356243 B 20180521; PL 2604863 T3 20171229; US 2015125324 A1 20150507; WO 2013087130 A1 20130620
DOCDB simple family (application)
EP 11009817 A 20111213; AU 2012350434 A 20121018; BR 112014014489 A 20121018; CA 2861214 A 20121018; CN 201280061463 A 20121018; EP 2012004363 W 20121018; MX 2014007008 A 20121018; PL 11009817 T 20111213; US 201214363026 A 20121018