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(11)

EP 2 452 153 A1

(12)

(43) Date of publication: 16.05.2012 Bulletin 2012/20 (21) Application number: 09847188.1 (22) Date of filing: 10.11.2009

(51) International Patent Classification (IPC):  F41H 5/02(2006.01) (86) International application number: PCT/US2009/063909 (87) International publication number: WO 2011/005275 (13.01.2011 Gazette 2011/02)

(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: 09.07.2009 WO PCT/US2009/050005 (71) Applicant: Lockheed Martin Corporation Grand Prairie, TX 75051 (US)	(72) Inventors: HUNN, David, L. Kennedale TX 76060 (US) HAVENS, Kenneth, W. Arlington TX 76018 (US) LEE, Sang, J. Coppell TX 75019 (US) (74) Representative: Kindermann, Peter et al Kindermann Patentanwälte Postfach 10 02 34 85593 Baldham 85593 Baldham (DE)