Global Patent Index - EP 1321627 A1

EP 1321627 A1 2003-06-25 - Air and steam-cooled turbine blade and method for cooling a turbine blade

Title (en)

Air and steam-cooled turbine blade and method for cooling a turbine blade

Title (de)

Luft- und dampfgekühlte Turbinenschaufel und ein Verfahren zum Kühlen einer Turbinenschaufel

Title (fr)

Aube de turbine à refroidissement à air et à vapeur et procédé de refroidissement

Publication

EP 1321627 A1 (DE)

Application

EP 01130727 A

Priority

EP 01130727 A

Abstract (en)

Air- and steam-cooled turbine blade (1), especially a gas turbine blade, with an edge (10) comprises a blade wall, at least one steam chamber (16, 17) for steam cooling, and at least one air chamber (18) for air cooling. The steam chamber and the air chamber are separated from each other. The edge is at least partly cooled with air. <??>Independent claims are also included for an alternative air- and steam-cooled turbine blade, and for processes for cooling the above turbine blades. Preferred Features: The steam chamber is completely surrounded by the blade wall.

Abstract (de)

Die Erfindung betrifft eine Gasturbinenschaufel (1), die in getrennten Hohlräumen (16,17,18) sowohl mit Luft als auch mit Dampf gekühlt wird. Insbesondere die Anstreifkante (10) wird luftgekühlt, wobei die Anstreifkante (10) aerodynamisch günstig dünn ausführbar ist. Der größte Teil der Gasturbinenschaufel (1) wird verdichterluftsparend dampfgekühlt. <IMAGE>

IPC 1-7 (main, further and additional classification)

F01D 5/18

IPC 8 full level (invention and additional information)

F01D 5/18 (2006.01)

CPC (invention and additional information)

F01D 5/187 (2013.01); F05D 2260/232 (2013.01); F05D 2260/2322 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

EP 1321627 A1 20030625; WO 03054357 A2 20030703; WO 03054357 A3 20030925

INPADOC legal status


2004-09-29 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20031230

2004-04-22 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2004-03-17 [AKX] PAYMENT OF DESIGNATION FEES

2003-06-25 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2003-06-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL LT LV MK RO SI