(19)

(11)

EP 2 411 676 A2

(12)

(88) Date of publication A3: 19.05.2011 (43) Date of publication: 01.02.2012 Bulletin 2012/05 (21) Application number: 10712754.0 (22) Date of filing: 23.03.2010

(51) International Patent Classification (IPC):  F04C 2/20(2006.01) (86) International application number: PCT/GB2010/000536 (87) International publication number: WO 2010/109178 (30.09.2010 Gazette 2010/39)

(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 SM TR (30) Priority: 25.03.2009 GB 0905071 (71) Applicant: Environmental Manufacturing LLP Creeting Road Stowmarket Suffolk IP14 5AY (GB)	(72) Inventor: KENLOCK Patrick Ipswich IP3 9AQ (GB) (74) Representative: Morris, Jonathan Paul  Urquhart-Dykes & Lord LLP Midsummer House 413 Midsummer Boulevard Milton Keynes MK9 3BN Milton Keynes MK9 3BN (GB)