Rotor for turbomachines

Details Rotor for turbomachines Rotor for turbomachines

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/22 (2006.01) F01D 5/26 (2006.01)

Patent

CA 2754795

Rotor (1) for turbomachines having a plurality of blades, and wherein a damping member (23; 123), housed inside a respective chamber (20) arranged between the two blades (5) of each pair of adjacent blades (5) of said rotor (1), is pushed, in use, by the centrifugal force against two surfaces (21), each of which is carried by a respective blade (5), which limit the respective chamber (20) in a radially outward direction; the damping member (23; 123) being cup-shaped and being provided with a base wall (24) facing the two surfaces of the relative chamber (20) and having three support bosses (25) on both of said surfaces (21).

L'invention concerne un rotor (1) pour turbomachines qui comporte une pluralité d'aubes, et dans lequel un élément amortisseur (23; 123), contenu à l'intérieur d'une chambre respective (20) prévue entre les deux aubes (5) de chaque paire d'aubes (5) adjacentes dudit rotor (1), est poussé, à l'utilisation, par la force centrifuge contre deux surfaces (21), chacune de celles-ci étant portée par une aube (5) respective qui limite la chambre (20) respective dans une direction radialement extérieure; l'élément amortisseur (23; 123), cupuliforme, comporte une paroi de base (24) se situant face aux deux surfaces de la chambre (20) correspondante et comporte trois protubérances (25) de support sur lesdites deux surfaces (21).

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