EP 2149677 B1 20110907 - Attachment device for attaching a rotor blade to a rotor of a turbomachine
Title (en)
Attachment device for attaching a rotor blade to a rotor of a turbomachine
Title (de)
Befestigungsanordnung zur Befestigung von einer Laufschaufel an einem Rotor einer Turbomaschine
Title (fr)
Dispositif de fixation destiné à la fixation d'une pale de rotor sur une turbomachine
Publication
Application
Priority
EP 08013704 A 20080730
Abstract (en)
[origin: EP2149677A1] The arrangement (10) has a retaining screw (20) in which a blade base (28) of a rotor blade (12) is inserted. A clamping device (34) is provided between a screw base (32) and a lower side (30) of the blade base. The clamping device has a tension rod (36) that includes a thread, where the rod extends parallel to an extension of the screw. An anti-twist thrust bearing (38) is provided at an end (40) of the rod and screwed on the thread. Another inserted thrust bearing (44) is provided at another end (42) of the rod. A shaft-shaped dowel (46) is provided between the thrust bearings.
IPC 8 full level
CPC (source: EP)
F01D 5/26 (2013.01); F01D 5/323 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 2149677 A1 20100203; EP 2149677 B1 20110907; AT E523659 T1 20110915
DOCDB simple family (application)
EP 08013704 A 20080730; AT 08013704 T 20080730