Blade wheel assembly

Details Blade wheel assembly Blade wheel assembly

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/30 (2006.01)

Patent

CA 2195030

Rotor blades (1) are held by means of toothed roots (3) in correspondingly profiled axial grooves (4) of a wheel rim (5). Between each root end and the base of an axial groove (4) there is a radial gap (S) accommodating a rivet (6). Each rivet (6) is centrally guided on two inserts (9, 9') resting against the base of the axial groove (4) in the radial gap (4) and having end parts (10, 10') resting against the front and rear of the wheel rim (5). Seating wedges (11, 11') surround the closing head (8) and the set head (7) of the rivet (6) and are axially and radially clamped to wedge-shaped complementary surfaces (G, G') of the root end and the respective insert (9, 9') riveting. As a result an improved radial and axial clamping of the rotor blades is achieved.

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