Coupling devices of moving blades of steam turbines

Details Coupling devices of moving blades of steam turbines Coupling devices of moving blades of steam turbines

F - Mech Eng,Light,Heat,Weapons

01

D

170/73

F01D 5/22 (2006.01)

Patent

CA 1119963

ABSTRACT OF THE DISCLOSURE A coupling device of moving blades of a steam turbine comprises a pair of projections provided on the inner and outer surfaces of the adjacent moving blades. One of the projections is provided with a hemispherical recess which loosely and slidably receives a corresponding hemispherical boss provided on the other projection when the moving blades are assembled. Thus, the loose and slidable engagement of the hemispherical boss and recess makes it possible to effectively absorb a force causing the turbine blades to vibrate.

324027

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