(19)

(11)

EP 2 396 554 A1

(12)

(43) Date of publication: 21.12.2011 Bulletin 2011/51 (21) Application number: 10740829.6 (22) Date of filing: 09.02.2010

(51) International Patent Classification (IPC):  F04D 15/02(2006.01) F04B 49/08(2006.01) G01L 13/00(2006.01) F04B 49/06(2006.01) F04C 14/00(2006.01) G01L 19/14(2006.01) (86) International application number: PCT/AU2010/000127 (87) International publication number: WO 2010/091454 (19.08.2010 Gazette 2010/33)

(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: 13.02.2009 AU 2009900606 (71) Applicant: Davey Water Products Pty Ltd Scoresby, VIC 3179 (AU)	(72) Inventor: GRESHAM, Joel, Dylan St Kilda East Victoria 3183 (AU) (74) Representative: Harrison Goddard Foote  4th Floor Merchant Exchange 17-19 Whitworth Street West Manchester M1 5WG Manchester M1 5WG (GB)