EP 1870561 B1 20170405 - Leading edge cooling of a gas turbine component using staggered turbulator strips
Title (en)
Leading edge cooling of a gas turbine component using staggered turbulator strips
Title (de)
Kühlung der Leitkante einer Gasturbinenkomponente mittels gestaffelt angeordneten Turbulatoren
Title (fr)
Refroidissement du bord d'attaque d'un composant de turbine à gaz par générateurs de turbulence
Publication
Application
Priority
US 47389306 A 20060622
Abstract (en)
[origin: EP1870561A2] A turbine engine component has an airfoil portion (32) having a leading edge, a suction side (46), a pressure side (42) and a radial flow leading edge cavity (34) through which a cooling fluid flows for cooling the leading edge. The turbine engine component further has a staggered arrangement of trip strips (40; 44) for generating a vortex (49) in the leading edge cavity (34) which impinges on a nose portion (36) of the leading edge cavity (34).
IPC 8 full level
F01D 5/18 (2006.01); F01D 25/12 (2006.01)
CPC (source: EP US)
F01D 5/187 (2013.01 - EP US); F05D 2240/12 (2013.01 - EP US); F05D 2240/121 (2013.01 - EP US); F05D 2240/303 (2013.01 - EP US); F05D 2260/2212 (2013.01 - EP US); F05D 2260/22141 (2013.01 - EP US)
Citation (opposition)
Opponent : Brevalex
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- US 5052889 A 19911001 - ABDEL-MESSEH WILLIAM [CA]
- US 4775296 A 19881004 - SCHWARZMANN RUSSELL A [US], et al
Designated contracting state (EPC)
DE GB
DOCDB simple family (publication)
EP 1870561 A2 20071226; EP 1870561 A3 20101222; EP 1870561 B1 20170405; JP 2008002464 A 20080110; US 2007297916 A1 20071227
DOCDB simple family (application)
EP 07252545 A 20070622; JP 2007160904 A 20070619; US 47389306 A 20060622