Squeeze film damper bearing

Details Squeeze film damper bearing Squeeze film damper bearing

1998-06-02

1999-11-23

Footland, Lenard A.

Bearings

Rotary bearing

Fluid bearing

384120, F16C 3206

Patent

active

059888881

ABSTRACT:
A squeeze film damper bearing comprises a bearing metal 2 for supporting a rotation shaft 1, a bearing casing 3 for covering the bearing metal 2 and a concentricity spring 4 between the bearing metal 2 and the bearing casing 3. The bearing casing 3 is provided at its inner periphery with a circumferential groove 3a for accommodating the spring. The spring 4 is made of an elongate steel sheet 4a and has a plurality of recesses 4b formed on a surface of the steel sheet 4a to provide a plurality of longitudinally aligned projections 4c on the other surface of the steel sheet. The steel sheet is bent into cylindrical shape. Each of the projections 4c has a curved surface with a generating line in parallel with the rotation shaft 1.

REFERENCES:
patent: 5116143 (1992-05-01), Saville et al.
patent: 5902049 (1999-05-01), Heshmat

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