Arrangement for the axial fastening of the rotor blades of a turboreactor

The fixing, for blades (1) with feet (3) engaged with axial recesses in the rotor disc (2), consists of a wedge (10) with a hook (12) to engage with a blade foot positioning groove. The wedge is positioned axially on the rotor disc and is sufficiently supple to allow for assembly and dismantling of...

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Bibliographische Detailangaben
Hauptverfasser:	GOUGEON, PHILIPPE F.P, CHARBONNEL, JEAN-LOUIS, MIRAUCOURT, GERARD G, ADDE, DANIELLE C.R
Format:	Patent
Sprache:	eng ; fre ; ger
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:	The fixing, for blades (1) with feet (3) engaged with axial recesses in the rotor disc (2), consists of a wedge (10) with a hook (12) to engage with a blade foot positioning groove. The wedge is positioned axially on the rotor disc and is sufficiently supple to allow for assembly and dismantling of the blade. Each blade is fitted with the aid of a positioning element in the form of a plate (11) which engages with a forward hook (4) on the blade and two clips on the disc on either side of the blade root. The plate immobilises the blade against axial movement, while the wedge is slid between the foot of the blade and the bottom of the disc recess so that its hook engages with the blade foot positioning groove.