(19)

(11)

EP 2 106 525 A1

(12)

(43) Date of publication: 07.10.2009 Bulletin 2009/41 (21) Application number: 07716958.9 (22) Date of filing: 24.01.2007

(51) International Patent Classification (IPC):  F41H 13/00(2006.01) (86) International application number: PCT/US2007/001831 (87) International publication number: WO 2008/091250 (31.07.2008 Gazette 2008/31)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (71) Applicant: Raytheon Company Waltham, MA 02451-1449 (US)	(72) Inventors: BROWN, Kenneth W. Yucaipa, CA 92399 (US) CANICH, David J. Upland, CA 91784 (US) BERG, Russell F. Alta Loma, CA 91737 (US) (74) Representative: Jackson, Richard Eric et al Carpmaels & Ransford 43-45 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)