(19)

(11)

EP 2 976 523 A1

(12)

(43) Date of publication: 27.01.2016 Bulletin 2016/04 (21) Application number: 14711970.5 (22) Date of filing: 20.03.2014

(51) International Patent Classification (IPC):  F03B 13/20(2006.01) (86) International application number: PCT/EP2014/055668 (87) International publication number: WO 2014/147210 (25.09.2014 Gazette 2014/39)

(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: 20.03.2013 EP 13160147 (71) Applicant: Anderberg Development AB 261 61 Landskrona (SE)	(72) Inventor: ANDERBERG, Göran S-26161 Landskrona (SE) (74) Representative: KIPA AB  P O Box 1065 251 10 Helsingborg 251 10 Helsingborg (SE)