(19)
(11) EP 2 604 863 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
09.10.2013 Bulletin 2013/41

(43) Date of publication:
19.06.2013 Bulletin 2013/25

(21) Application number: 11009817.5

(22) Date of filing: 13.12.2011
(51) International Patent Classification (IPC): 
F04D 23/00(2006.01)
 F04D 25/02(2006.01)
(84) Designated Contracting States:
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 States:
BA ME

(71) Applicant: EagleBurgmann Germany GmbH & Co. KG
82515 Wolfratshausen (DE)

(72) Inventors:
  • Sanford, Timothy D.
    Fall River NS, B2T 1L2 (CA)
  • Landry, Garrett
    Dartmouth, NS, B3A 2Z1 (CA)
  • McCurdy, Stephen
    Dartmouth NS, B2W 4P4 (CA)
  • McCulloch, Ron
    Kennetcook, NS, B0N 1P0 (CA)
  • Schmidt, Glenn
    Houston, TX 77065 (US)
  • Sattler, Michael
    82031 Grünwald (DE)
  • Gentz, Norbert
    82515 Wolfratshausen (DE)
  • Pfeil, Dieter
    82547 Eurasburg (DE)

(74) Representative: Schaeberle, Steffen 
Hoefer & Partner Patentanwälte Pilgersheimer Strasse 20
81543 München
81543 München (DE)

   


(54) Rotary compessor


(57) 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).