Axial locking device for turbine blades

A turbine blade locking device for axial retention of a turbine blade ( 1 ) having a blade root ( 3 ) inserted in an axially extending profiled lobe slot ( 5 ) of a turbine disk ( 4 ), wherein, a sealing fin of a blade platform ( 10 ) includes, over part of its axial length, a retaining groove ( 6 )...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	NEGULESCU JOANA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A turbine blade locking device for axial retention of a turbine blade ( 1 ) having a blade root ( 3 ) inserted in an axially extending profiled lobe slot ( 5 ) of a turbine disk ( 4 ), wherein, a sealing fin of a blade platform ( 10 ) includes, over part of its axial length, a retaining groove ( 6 ) featuring a semicircular cross-section, a disk lobe ( 7 ) of the turbine disk ( 4 ) is provided with a semi-spherical recess ( 8 ), and a ball ( 2 ) is fitted into the recess ( 8 ) and the retaining groove ( 6 ).