EP 1757773 A1 20070228 - Hollow turbine airfoil
Title (en)
Hollow turbine airfoil
Title (de)
Hohle Turbinenschaufel
Title (fr)
Aube creuse de turbine
Publication
Application
Priority
EP 05018595 A 20050826
Abstract (en)
The turbine blade (30) as a suction side profile wall (42) and a pressure side one (44). Hot gas flows over the bearer surface profile (36). There are support ribs (48) inside the blade, connecting the two walls in a connection region (50). A slot (56) is located in the profile wall on the hot gas side, opposite the connection region.
IPC 8 full level
CPC (source: EP US)
F01D 5/147 (2013.01 - EP US); F01D 5/16 (2013.01 - EP US)
Citation (applicant)
EP 1508399 A1 20050223 - SIEMENS AG [DE]
Citation (search report)
- [DA] EP 1508399 A1 20050223 - SIEMENS AG [DE]
- [A] EP 1512489 A1 20050309 - SIEMENS AG [DE]
- [A] EP 1525942 A1 20050427 - SIEMENS AG [DE]
- [A] PATENT ABSTRACTS OF JAPAN vol. 1998, no. 08 30 June 1998 (1998-06-30)
- [A] PATENT ABSTRACTS OF JAPAN vol. 2000, no. 04 31 August 2000 (2000-08-31)
Designated contracting state (EPC)
CH DE ES GB IT LI
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1757773 A1 20070228; EP 1757773 B1 20080319; CN 1936273 A 20070328; DE 502005003344 D1 20080430; ES 2303163 T3 20080801; JP 2007064219 A 20070315; JP 4689558 B2 20110525; US 2007128035 A1 20070607; US 7845905 B2 20101207
DOCDB simple family (application)
EP 05018595 A 20050826; CN 200610146372 A 20060825; DE 502005003344 T 20050826; ES 05018595 T 20050826; JP 2006228883 A 20060825; US 51023906 A 20060825