Blade retention apparatus for gas turbine rotor

Details Blade retention apparatus for gas turbine rotor Blade retention apparatus for gas turbine rotor

F - Mech Eng,Light,Heat,Weapons

01

D

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

Patent

CA 2335350

The present invention relates to a blade retention apparatus for a bladed rotor in a turbine section of a gas turbine engine which comprises a rivet grip which has serration at one end and an upset head at the other end, and a sleeve made of a soft metal which is compressed to the serration actually against the surfaces of the disk and the blade. The retention apparatus of the present invention provides a reliable attachment and only requires a simple hand-held pneumatic riveting tool to install.

L'invention concerne un dispositif de retenue de pales, destiné à un rotor à pales, dans une section de la turbine d'un moteur à turbine à gaz, ce dispositif comprenant, d'une part, un élément de saisie de rivet présentant sur une extrémité une striation et sur l'autre extrémité une tête renversée, et d'autre part un manchon réalisé dans un métal mou et comprimé sur la striation, en réalité contre les surfaces du disque et de la pale. Le dispositif de retenue de l'invention permet une fixation fiable et ne requiert pour son installation qu'un outil pneumatique à riveter, simple et portatif.

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