(19)
(11) EP 2 513 431 A1

(12)

(43) Date of publication:
24.10.2012 Bulletin 2012/43

(21) Application number: 09852351.7

(22) Date of filing: 17.12.2009
(51) International Patent Classification (IPC): 
F01D 25/12(2006.01)
F02C 7/16(2006.01)
 F01D 9/06(2006.01)
F01K 17/02(2006.01)
(86) International application number:
PCT/SE2009/000526
(87) International publication number:
WO 2011/075013 (23.06.2011 Gazette 2011/25)
(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 MK MT NL NO PL PT RO SE SI SK SM TR

(71) Applicant: Volvo Aero Corporation
S-461 81 Trollhättan (SE)

(72) Inventors:
  • HELLGREN, Anders
    S-461 59 Trollhättan (SE)
  • MÅRTENSSON, Hans
    S-461 54 Trollhättan (SE)

(74) Representative: Jönrup, Emil 
Volvo Technology Corporation Corporate IP Dept 06820, M1.7
SE-40508 Göteborg
SE-40508 Göteborg (SE)

   


(54) ARRANGEMENT AND METHOD FOR CLOSED FLOW COOLING OF A GAS TURBINE ENGINE COMPONENT