(19)
(11) EP 2 024 691 A1

(12)

(43) Date of publication:
18.02.2009 Bulletin 2009/08

(21) Application number: 07794855.2

(22) Date of filing: 15.05.2007
(51) International Patent Classification (IPC): 
F25B 11/04(2006.01)
F25B 31/00(2006.01)
(86) International application number:
PCT/US2007/011568
(87) International publication number:
WO 2007/139692 (06.12.2007 Gazette 2007/49)
(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: 23.05.2006 US 419862

(71) Applicant: Johnson Controls Technology Company
Holland, MI 49423 (US)

(72) Inventors:
  • SMITH, Stephen H.
    York, Pennsylvania 17402 (US)
  • STUMP, Dennis E.
    York, Pennsylvania 17301 (US)

(74) Representative: Wolff, Felix et al
Kutzenberger & Wolff Theodor-Heuss-Ring 23
50668 Köln
50668 Köln (DE)

   


(54) SYSTEM AND METHOD FOR REDUCING WINDAGE LOSSES IN COMPRESSOR MOTORS