(19)
(11) EP 2 047 103 A1

(12)

(43) Date of publication:
15.04.2009 Bulletin 2009/16

(21) Application number: 07799872.2

(22) Date of filing: 27.07.2007
(51) International Patent Classification (IPC): 
F04C 18/16(2006.01)
F04C 28/00(2006.01)
(86) International application number:
PCT/US2007/074548
(87) International publication number:
WO 2008/014433 (31.01.2008 Gazette 2008/05)
(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: 27.07.2006 US 820511 P

(71) Applicant: Carrier Corporation
Farmington, CT 06034-4015 (US)

(72) Inventors:
  • LIFSON, Alexander
    Manlius, NY 13104 (US)
  • HOLDEN, Steven, J.
    Manlius, NY 13104 (US)
  • FRASER, Bruce, A.
    Manlius, NY 13104 (US)

(74) Representative: Taylor, Adam David 
Frank B. Dehn & Co. St. Bride's House
10 Salisbury Square London EC4Y 8JD
10 Salisbury Square London EC4Y 8JD (GB)

   


(54) SCREW COMPRESSOR CAPACITY CONTROL