(19)

(11)

EP 2 585 789 A1

(12)

(43) Date of publication: 01.05.2013 Bulletin 2013/18 (21) Application number: 11729440.5 (22) Date of filing: 20.06.2011

(51) International Patent Classification (IPC):  F41H 5/013(2006.01) F41H 7/04(2006.01) (86) International application number: PCT/GB2011/000914 (87) International publication number: WO 2011/161399 (29.12.2011 Gazette 2011/52)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 22.06.2010 GB 201010419 (71) Applicant: The Secretary of State for Defence Bristol BS34 8JH (GB)	(72) Inventor: BRIDEWELL, Stuart Salisbury, Wiltshire. SP4 OJQ (GB) (74) Representative: Farnsworth, Alastair Graham et al DIPR Formalities Section Poplar 2nr. 2214 MOD Abbey Wood (South) Bristol BS34 8JH Bristol BS34 8JH (GB)