(19)

(11)

EP 2 926 012 A1

(12)

(43) Date of publication: 07.10.2015 Bulletin 2015/41 (21) Application number: 13799660.9 (22) Date of filing: 29.11.2013

(51) International Patent Classification (IPC):  F04D 27/00(2006.01) F24F 11/00(2006.01) F24F 7/06(2006.01) (86) International application number: PCT/GB2013/053171 (87) International publication number: WO 2014/083357 (05.06.2014 Gazette 2014/23)

(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: 30.11.2012 GB 201221649 (71) Applicant: Greenwood Air Management Limited Rustington West Sussex BN16 3LF (GB)	(72) Inventors: SWEENEY, Paul Rustington Sussex BN16 3LF (GB) SIMPSON, Nigel Ventnor Isle of Wight PO38 3BZ (GB) KENTCH, Christopher Rustington Sussex BN16 3LF (GB) (74) Representative: Gardiner, Stephen Robin  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)