(19)

(11)

EP 2 486 336 A2

(12)

(88) Date of publication A3: 06.10.2011 (43) Date of publication: 15.08.2012 Bulletin 2012/33 (21) Application number: 10768819.4 (22) Date of filing: 11.10.2010

(51) International Patent Classification (IPC):  F24F 9/00(2006.01) (86) International application number: PCT/NL2010/050669 (87) International publication number: WO 2011/043669 (14.04.2011 Gazette 2011/15)

(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 (30) Priority: 09.10.2009 NL 2003616 (71) Applicant: Biddle B.V. 9288 HA Kootstertille (NL)	(72) Inventor: BETHLEHEM, Peter Willem-Alexander NL-9231 EA Surhuisterveen (NL) (74) Representative: Verdijck, Gerardus  Arnold & Siedsma Sweelinckplein 1 2517 GK Den Haag 2517 GK Den Haag (NL)