Vibration damping system for turbine nozzle or blade using elongated body and wire mesh member
AssigneeGeneral Electric Company
InventorsZachary John Snider, John Mcconnell Delvaux, Robert Frank Hoskin
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Abstract
A vibration damping system for a turbine nozzle or blade includes a body opening extending through a body of the turbine nozzle or blade between a tip end and a base end thereof. Elongated vibration damping element is disposed in the body opening and includes an elongated body having a first, free end and a second end fixed relative to one of the base end and the tip end. At least one wire mesh member surrounds the elongated body. The wire mesh member(s) frictionally engage with an inner surface of the body opening to damp vibration. A related method is also disclosed.
Claims20
A vibration damping system for a turbine nozzle or blade, comprising:
- a body opening extending through a body of the turbine nozzle or blade between a tip end and a base end thereof;
- and
- an elongated vibration damping element disposed in the body opening, the elongated vibration damping element including:
- an elongated body having a first, free end and a second end fixed relative to one of the base end and the tip end;
- and
- at least one wire mesh member surrounding the elongated body, the at least one wire mesh member frictionally engaging with an inner surface of the body opening to damp vibration.
A method of damping vibration in a turbine nozzle or blade, the method comprising:
- during operation of the turbine nozzle or blade:
- providing a first damping of vibration by deflection of an elongated body disposed radially in a body opening extending between a tip end and a base end of a body of the turbine nozzle or blade, the elongated body including a first, free end and a second end fixed relative to one of the base end and the tip end of the body of the turbine nozzle or blade;
- and
- providing a second damping of vibration by frictional engagement of at least one wire mesh member surrounding the elongated body with an inner surface of the body opening.
Dependencies are inferred from the claim text.