(19)
(11) EP 2 016 347 A1

(12)

(43) Date of publication:
21.01.2009 Bulletin 2009/04

(21) Application number: 07870665.2

(22) Date of filing: 10.05.2007
(51) International Patent Classification (IPC): 
F25B 9/10(2006.01)
(86) International application number:
PCT/US2007/011350
(87) International publication number:
WO 2008/082433 (10.07.2008 Gazette 2008/28)
(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 MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 11.05.2006 US 432058

(71) Applicant: Raytheon Company
Waltham, Massachusetts 02451-1449 (US)

(72) Inventors:
  • HARVEY, Jeremy P.
    Birmingham, AL 35242 (US)
  • KIRKCONNELL, Carl S.
    Huntington Beach, California 92648 (US)
  • PILLAR, Melina M.
    West Hollywood, 90069 (US)
  • HON, Robert C.
    Playa Del Rey, California 90293 (US)

(74) Representative: Jackson, Richard Eric 
Carpmaels & Ransford 43-45 Bloomsbury Square
London WC1A 2RA
London WC1A 2RA (GB)

   


(54) HYBRID CRYOCOOLER WITH MULTIPLE PASSIVE STAGES