Damping means for a stator assembly of a gas turbine engine

Details Damping means for a stator assembly of a gas turbine engine Damping means for a stator assembly of a gas turbine engine

1993-12-20

1997-10-28

Verdier, Christopher

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

4152093, F01D 904, F01D 2504

Patent

active

056811420

ABSTRACT:
The clocking modes incidental to the vibrations encountered in the stator assembly in the compressor section of a gas turbine engine are damped by a spring damper formed as a split ring or a ring of equally shaped and sized segments having a pair of working surfaces. The spring damper is generally U-shaped in cross section and is fixed at the apex with one of the working surfaces in frictional engagement with the base of the vanes and the other working surface in frictional engagement with the containment ring attached to the diaphragm of the stator vane for supporting the inner diameter of the vanes.

REFERENCES:
patent: 4516910 (1985-05-01), Bouiller et al.
patent: 4621976 (1986-11-01), Marshall et al.
patent: 4721434 (1988-01-01), Marshall et al.
patent: 4728255 (1988-03-01), Kirkpatrick et al.
patent: 5215432 (1993-06-01), Pickering et al.

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