Nested damper pin and vibration dampening system for turbine nozzle or blade

A damper pin for a vibration dampening system for a turbine nozzle or blade, the damper pin comprising:

• an outer body having defined therein an inner opening and a plurality of side openings extending from the inner opening through an outer surface of the outer body;
• and
• an inner body nested and movable within the inner opening of the outer body, the inner body including a first portion including a plurality of arms, each arm extending through a respective side opening of the plurality of side openings of the outer body, wherein the inner body further includes:
• a second portion having an outer surface configured to frictionally engage a first section of the inner opening of the outer body,
• a third portion extending through a second section of the inner opening of the outer body in a spaced manner, and
• wherein the first portion of the inner body including the plurality of arms is positioned between the second portion and the third portion of the inner body.

A vibration dampening system for a turbine nozzle or blade, the vibration dampening system comprising:

• a plurality of stacked damper pins, each damper pin including:
• an outer body having defined therein an inner opening and a plurality of side openings extending from the inner opening through an outer surface of the outer body;
• and
• an inner body nested and movable within the inner opening of the outer body, the inner body including a first portion including a plurality of arms, each arm extending through a respective side opening of the plurality of side openings of the outer body.