(19)

(11)

EP 2 877 747 A2

(12)

(88) Date of publication A3: 06.11.2014 (43) Date of publication: 03.06.2015 Bulletin 2015/23 (21) Application number: 13747364.1 (22) Date of filing: 12.07.2013

(51) International Patent Classification (IPC):  F04B 39/04(2006.01) F04B 45/047(2006.01) F04B 43/02(2006.01) F16F 15/08(2006.01) H02K 7/14(2006.01) F04B 45/04(2006.01) F04B 17/03(2006.01) F04B 53/16(2006.01) H02K 5/24(2006.01) (86) International application number: PCT/EP2013/064819 (87) International publication number: WO 2014/016143 (30.01.2014 Gazette 2014/05)

(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 (30) Priority: 26.07.2012 DE 202012007190 U (71) Applicant: Gardner Denver Thomas GmbH 82256 Fürstenfeldbruck (DE)	(72) Inventors: GOLUB, Ivan 85221 Dachau (DE) WENTKER, Stephan 86567 Hilgertshausen-Tandern (DE) (74) Representative: Rau, Schneck & Hübner Patentanwälte Rechtsanwälte PartGmbB  Königstraße 2 90402 Nürnberg 90402 Nürnberg (DE)