Turbomachine rotor

Details Turbomachine rotor Turbomachine rotor

1990-02-08

1991-07-09

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

F01D 532

Patent

active

050300636

ABSTRACT:
A rotor for an axial flow turbomachine includes a disc, a rim on the disc having blade retention slots, and blades having roots in the slots and airfoils extending radially out from the rim. The airfoils project through correspondingly shaped slots in a cylindrical platform concentric with the rim of the rotor. A first annular flange at one end of the platform has a lip at its inside diameter which hooks under the inside diameter of a first annular flange on the rim for radial retention of the platform. A second annular flange at the other edge of the platform has a lip at its inside diameter which hooks under a lip at the outside diameter of an annular cover. The cover has another lip at its inside diameter which hooks under a second annular flange on the rim for radial retention of the cover and the platform.

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patent: 4655687 (1987-04-01), Atkinson
patent: 4802824 (1989-02-01), Gastebois et al.

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