Global Patent Index - EP 1314856 B1

EP 1314856 B1 20050126 - Device for locking blades in a disk groove

Title (en)

Device for locking blades in a disk groove

Title (de)

Vorrichtung zur Sicherung von Laufschaufeln in einer Nut einer Rotorscheibe

Title (fr)

Dispositif de blocage des aubes dans une rainure d'un disque

Publication

EP 1314856 B1 20050126 (FR)

Application

EP 02292896 A 20021122

Priority

FR 0115095 A 20011122

Abstract (en)

[origin: EP1314856A1] The fastening for fixing turbine blade roots (7) in the peripheral groove (2) of a disc (1) after insertion through a port consists of a locking element (16) fitted into the gap separating two adjacent blade roots and lifted into a locking recess in the groove side walls by a radial screw (17) which has its head (41) against the bottom of the groove. The screw head is held radially towards the outside by the roots of adjacent blades, and there is a radial gap between the bottom of the groove and the base of the blade roots.

IPC 1-7

F01D 5/30

IPC 8 full level

F01D 5/02 (2006.01); F01D 5/30 (2006.01); F01D 5/32 (2006.01)

CPC (source: EP US)

F01D 5/3038 (2013.01 - EP US); F01D 5/32 (2013.01 - EP US)

Designated contracting state (EPC)

DE ES FR GB IT SE

DOCDB simple family (publication)

EP 1314856 A1 20030528; EP 1314856 B1 20050126; CA 2411688 A1 20030522; CA 2411688 C 20100427; DE 60202738 D1 20050303; DE 60202738 T2 20060330; ES 2233784 T3 20050616; FR 2832455 A1 20030523; FR 2832455 B1 20040402; JP 2003193801 A 20030709; JP 4043922 B2 20080206; RU 2239070 C2 20041027; UA 73767 C2 20050915; US 2003123986 A1 20030703; US 6752598 B2 20040622

DOCDB simple family (application)

EP 02292896 A 20021122; CA 2411688 A 20021113; DE 60202738 T 20021122; ES 02292896 T 20021122; FR 0115095 A 20011122; JP 2002337524 A 20021121; RU 2002131463 A 20021121; UA 2002119287 A 20021121; US 30081502 A 20021121