(19)

(11)

EP 2 324 236 A1

(12)

(43) Date of publication: 25.05.2011 Bulletin 2011/21 (21) Application number: 09745335.1 (22) Date of filing: 13.05.2009

(51) International Patent Classification (IPC):  F03B 13/14(2006.01) F04B 43/12(2006.01) (86) International application number: PCT/CA2009/000649 (87) International publication number: WO 2009/137920 (19.11.2009 Gazette 2009/47)

(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: 14.05.2008 CA 2631297 (71) Applicant: Vowles, Gerald J. Belleville, Ontario K8N 1Y6 (CA)	(72) Inventor: Vowles, Gerald J. Belleville, Ontario K8N 1Y6 (CA) (74) Representative: Harrison Goddard Foote  Delta House 50 West Nlle Street Glasgow G1 2NP 50 West Nlle Street Glasgow G1 2NP (GB)