(19)

(11)

EP 2 446 158 A1

(12)

(43) Date of publication: 02.05.2012 Bulletin 2012/18 (21) Application number: 09770449.8 (22) Date of filing: 26.06.2009

(51) International Patent Classification (IPC):  F16C 7/04(2006.01) F16H 23/08(2006.01) F02G 1/043(2006.01) F02B 75/32(2006.01) F01B 3/02(2006.01) (86) International application number: PCT/NZ2009/000125 (87) International publication number: WO 2009/157787 (30.12.2009 Gazette 2009/53)

(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 (71) Applicant: WHISPER TECH LIMITED Christchurch (NZ)	(72) Inventor: BLOGG, Damian 8042 Christchurch (NZ) (74) Representative: Higgs, Jonathan  Urquhart-Dykes & Lord LLP 3rd Floor 33 Glasshouse Street London W1B 5DG London W1B 5DG (GB)