Blade to blade vibration damper

Details Blade to blade vibration damper Blade to blade vibration damper

1981-12-14

1984-06-19

Hornsby, Harvey C.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

416193A, 416500, F01D 510

Patent

active

044551223

ABSTRACT:
Apparatus for dampening rotor blade vibratory energy in a rotary machine is disclosed. Concepts employing blade to blade damping are discussed.
In one detailed form, a damper (52) is disposed to seat against the undersides of adjacent blade platform sections (20) and a seal (42) is spaced sufficiently close to the damper so as to be deflected against the damper under centrifugal loads to augment dampening of the rotor blades by the damper.

REFERENCES:
patent: 2948505 (1960-08-01), Sonder
patent: 3752599 (1973-08-01), Pace

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