EP 1223309 B1 20050608 - Redundant blade retention system
Title (en)
Redundant blade retention system
Title (de)
Doppelte Schaufelblatthalterung
Title (fr)
Système de rétention des aubes de type combine ou cascade
Publication
Application
Priority
FR 0100294 A 20010111
Abstract (en)
[origin: US2002090300A1] A turbojet engine fan rotor including a rotor disk having a peripheral rim with a plurality of axially extending channels carrying a plurality of fan blades each having a blade root interengaging with the channels of the disk, and a mounting arrangement for securing the blades to the disk. The mounting arrangement includes an annular member having a plurality of radially extending teeth, a plurality of wedges each interposed between one of the blade roots and a corresponding one of the channels and including a radially extending boss provided at one end, and a plurality of radially extending protrusions from the disk. The plurality of teeth and the plurality of protrusions cooperate with one another to secure the annular member with the rotor disk.
IPC 1-7
IPC 8 full level
F04D 29/34 (2006.01); F01D 5/30 (2006.01)
CPC (source: EP US)
F01D 5/3015 (2013.01 - EP US); F01D 5/323 (2013.01 - EP US)
Designated contracting state (EPC)
DE ES FR GB IT SE
DOCDB simple family (publication)
EP 1223309 A1 20020717; EP 1223309 B1 20050608; CA 2364128 A1 20020711; DE 60204486 D1 20050714; DE 60204486 T2 20060511; ES 2240665 T3 20051016; FR 2819289 A1 20020712; FR 2819289 B1 20030711; JP 2002242888 A 20020828; JP 4031247 B2 20080109; RU 2221169 C2 20040110; UA 72255 C2 20050215; US 2002090300 A1 20020711
DOCDB simple family (application)
EP 02290048 A 20020110; CA 2364128 A 20011210; DE 60204486 T 20020110; ES 02290048 T 20020110; FR 0100294 A 20010111; JP 2002003012 A 20020110; RU 2002101357 A 20020110; UA 2002010282 A 20020110; US 4158002 A 20020110