(19)

(11)

EP 2 773 898 A1

(12)

(43) Date of publication: 10.09.2014 Bulletin 2014/37 (21) Application number: 12741156.9 (22) Date of filing: 09.07.2012

(51) International Patent Classification (IPC):  F17C 13/06(2006.01) (86) International application number: PCT/US2012/045914 (87) International publication number: WO 2013/066430 (10.05.2013 Gazette 2013/19)

(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: 04.11.2011 US 201113289400 (71) Applicant: Raytheon Company Waltham, MA 02451-1449 (US)	(72) Inventors: LYONS, Paul M. Tucson, Arizona 85749 (US) PENTLAND, Christopher E. Vail, Arizona 85641 (US) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)