(19)

(11)

EP 2 242 932 A1

(12)

(43) Date of publication: 27.10.2010 Bulletin 2010/43 (21) Application number: 09701751.1 (22) Date of filing: 13.01.2009

(51) International Patent Classification (IPC):  F04D 29/38(2006.01) F04D 29/68(2006.01) (86) International application number: PCT/GB2009/000088 (87) International publication number: WO 2009/090376 (23.07.2009 Gazette 2009/30)

(84) Designated Contracting States: 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 SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 14.01.2008 GB 0800582 (71) Applicant: Flakt Woods Limited Colchester, Essex CO4 5ZD (GB)	(72) Inventors: SHEARD, Anthony, Geoffrey Colchester Essex CO4 5ZD (GB) CORSINI, Allessandro I-1-00184 Rome (IT) RISPOLI, Franco I-1-00184 Rome (IT) (74) Representative: Moore, Derek  Jensen & Son 366-368 Old Street GB-London EC1V 9LT GB-London EC1V 9LT (GB)