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Current content: 155 263 406 patent documents

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215 613 new documents added

1 342 057 documents amended

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EP 0959228 B1 20030625 - Film-cooling holes in staggered rows

Title (en)

Film-cooling holes in staggered rows

Title (de)

Gestaffelte Anordnung von Filmkühlungsbohrungen

Title (fr)

Trous de refroidissement par pellicule en agencement décalé

Publication

EP 0959228 B1 20030625 (DE)

Application

EP 98810475 A 19980520

Priority

EP 98810475 A 19980520

Abstract (en)

[origin: EP0959228A1] The gas turbine blade cooling gas flow hole array has the number of relatively small diameter holes in the first row (1) equal to or less than the number of larger diameter holes in the second row (2) in the downstream direction.

IPC 1-7

F01D 5/18

IPC 8 full level

F01D 5/18 (2006.01)

CPC (source: EP US)

F01D 5/186 (2013.01 - EP US); F05D 2260/202 (2013.01 - EP US)

Designated contracting state (EPC)

DE GB

DOCDB simple family (publication)

EP 0959228 A1 19991124; EP 0959228 B1 20030625; DE 59808819 D1 20030731; US 6267552 B1 20010731

DOCDB simple family (application)

EP 98810475 A 19980520; DE 59808819 T 19980520; US 31206199 A 19990517