Rotor for a turbomachine having blades to be fitted into slots,

Details Rotor for a turbomachine having blades to be fitted into slots, Rotor for a turbomachine having blades to be fitted into slots,

1998-12-21

2000-05-23

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416220R, 416221, 416231, 416248, B64C 1104, B64C 2748

Patent

active

060659386

ABSTRACT:
A rotor for a turbomachine has slots formed therein at an angle to an axis of rotation of the rotor. Blades have at least one blade root with at least two regions of different rigidity that are adapted and preferably matched to different regions of rigidity of the slot. The blade roots can be fitted into the slots. A blade for a rotor is also provided. The invention is especially suitable for use in gas-turbine compressors, as a result of which local stresses at slots can be greatly reduced.

REFERENCES:
patent: 2643853 (1953-06-01), Redding
patent: 4191509 (1980-03-01), Leonardi
patent: 5372481 (1994-12-01), Boyd
patent: 5846054 (1998-12-01), Mannava et al.
Published International Application No. 91/01433 (Massung et al.), dated Feb. 7, 1991.

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