(19)
(11) EP 2 191 213 A2

(12)

(88) Date of publication A3:
27.08.2009

(43) Date of publication:
02.06.2010 Bulletin 2010/22

(21) Application number: 08829916.9

(22) Date of filing: 05.09.2008
(51) International Patent Classification (IPC): 
F25D 3/11(2006.01)
(86) International application number:
PCT/US2008/075363
(87) International publication number:
WO 2009/032997 (12.03.2009 Gazette 2009/11)
(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 MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 06.09.2007 US 899598

(71) Applicant: Praxair Technology, Inc.
Danbury, CT 06810-5113 (US)

(72) Inventors:
  • GIRARD, John, Martin
    Downers Grove, IL 60515 (US)
  • KING, David, Joseph
    Frankfort, IL 60423 (US)
  • GASTEYER, Theodore, Hall
    Naperville, IL 60540 (US)
  • HRYN, John, Nicholas
    Naperville, IL 60564 (US)
  • SCHAEFFER, Raymond, James
    Lake Zurich, IL 60047 (US)
  • KUZYK, Gerald
    Montreal, Quebec H1M 2H8 (CA)
  • SAMESHIMA, Glenn, Toyoshi
    Oak Park, IL 60304 (US)
  • CHAMBERLAIN, Robert, J.
    Oak Forest, IL 60452 (US)

(74) Representative: Schwan - Schwan - Schorer 
Patentanwälte Bauerstrasse 22
80796 München
80796 München (DE)

   


(54) SYSTEM AND METHOD FOR CRYOGENIC ENHANCEMENT TO MECHANICAL FREEZERS