Radial compressor rotor with imbalance compensation

Details Radial compressor rotor with imbalance compensation Radial compressor rotor with imbalance compensation

1990-07-23

1992-07-14

Luong, Vinh T.

Machine element or mechanism

Mechanical movements

Rotary to alternating rotary

74572, 416144, F16F 1522, B63H 100

Patent

active

051292840

ABSTRACT:
A radial compressor rotor, especially for static imbalance of a dual flow radial compressor impeller, having back-to-back blades in a gas turbine engine, is provided with at least one axial through hole in the rotor hub. The axial hole is filled in by an imbalance compensating insert which covers the ends of the hole between neighboring radial blade contour surfaces in an aerodynamically flush manner. The density and density distribution of the material of the insert is selected relative to the density and mass concentration of the material of the compressor impeller to achieve the desired imbalance compensating effect.

REFERENCES:
patent: 3323597 (1967-06-01), Longobardi et al.
patent: 3586460 (1971-06-01), Toner
patent: 4316700 (1982-02-01), Schramm
patent: 4644201 (1987-02-01), Tani et al.
patent: 4767233 (1988-08-01), Erickson
patent: 5033923 (1991-07-01), Osawa

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