(19)

(11)

EP 2 847 462 A1

(12)

(43) Date of publication: 18.03.2015 Bulletin 2015/12 (21) Application number: 13734949.4 (22) Date of filing: 08.05.2013

(51) International Patent Classification (IPC):  F04B 9/117(2006.01) F04B 43/067(2006.01) F04B 15/02(2006.01) (86) International application number: PCT/ZA2013/000034 (87) International publication number: WO 2013/170279 (14.11.2013 Gazette 2013/46)

(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: 08.05.2012 ZA 201203312 (71) Applicant: Leppanen, Jarmo Uolevi 1401 Germiston (ZA)	(72) Inventor: Leppanen, Jarmo Uolevi 1401 Germiston (ZA) (74) Representative: Patentanwälte Ruff, Wilhelm, Beier, Dauster & Partner  Kronenstraße 30 70174 Stuttgart 70174 Stuttgart (DE)