Global Patent Index - EP 1939402 A3

EP 1939402 A3 20100505 - Composite fan blade for a gas turbine engine

Title (en)

Composite fan blade for a gas turbine engine

Title (de)

Fanschaufel aus Verbundwerkstoff für ein Gasturbinentriebwerk

Title (fr)

Aube de soufflante en matériau composite pour un moteur à turbine à gaz

Publication

EP 1939402 A3 20100505 (DE)

Application

EP 07024380 A 20071217

Priority

DE 102006061916 A 20061221

Abstract (en)

[origin: EP1939402A2] The rotor blade (1) comprises a support structure, which is made of fiber composite and has a metallic cladding structure (4) made of metal sheet. The rotor blade has a turbine blade (3), a blade root (11) and annulus filler (10), which is in a transition area between the turbine blade and the root. The cladding structure surrounds the turbine blade and below the annulus filler, it connects to the outer surface of the blade root flush with an edge or with an edge provided with recesses.

IPC 8 full level

F01D 5/28 (2006.01)

CPC (source: EP US)

F01D 5/282 (2013.01 - EP US); F05D 2220/36 (2013.01 - EP US); F05D 2240/30 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

EP 1939402 A2 20080702; EP 1939402 A3 20100505; DE 102006061916 A1 20080626; US 2008152506 A1 20080626; US 8251664 B2 20120828

DOCDB simple family (application)

EP 07024380 A 20071217; DE 102006061916 A 20061221; US 324507 A 20071221