(19)
(11) EP 1 703 136 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.04.2007 Bulletin 2007/14

(43) Date of publication A2:
20.09.2006 Bulletin 2006/38

(21) Application number: 06000867.9

(22) Date of filing: 17.01.2006
(51) International Patent Classification (IPC): 
F04D 23/00(2006.01)
(84) Designated Contracting States:
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 States:
AL BA HR MK YU

(30) Priority: 02.02.2005 DE 202005001604 U

(71) Applicant: Gardner Denver Elmo Technology GmbH
97616 Bad Neustadt a.d. Saale (DE)

(72) Inventors:
  • Krines, Jürgen
    97645 Oberwaldbehrungen (DE)
  • Rjabchenko, Evgenij
    97616 Bad Neustadt (DE)

(74) Representative: Rau, Albrecht et al
Patentanwälte Rau, Schneck & Hübner Königstrasse 2
90402 Nürnberg
90402 Nürnberg (DE)

   


(54) Lateral channel compressor


(57) In a lateral channel compressor with an impeller (12) which is arranged in a casing and which is supported so that it is rotatable around an axial rotational axis (4), said impeller comprising a plurality of impeller blades (20) which are arranged in a working area (2) which is formed by the casing, in view of enabling a complex lateral channel geometry with a high surface quality at low manufacturing costs, it is provided that the working area (2) comprises an undercut and the casing comprises a basic casing element (6), a cover (8) and an insert (10) in order to form the undercut.







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