Turbine bucket damper pin
AssigneeGeneral Electric Company
InventorsJohn Zhiqiang Wang, Jon Conrad Scaeffer, Iain Robertson Kellock, Calvin L. Sims
Life of this patent
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Abstract
A damper pin for a bucket damper slot in a turbine includes slot insertion ends shaped to fit into the bucket damper slot, and at least a first scallop section formed or machined between the slot insertion ends and shaped to receive a bucket shank pocket radial contour at bucket Hi-C. A second scallop section may also be formed or machined diametrically opposed and anti-symmetrical to the first scallop section between the slot insertion ends.
Claims17
A damper pin for a bucket damper slot in a turbine, the damper pin comprising:
- slot insertion ends shaped to fit into the bucket damper slot;
- and
- a first scallop section formed between the slot insertion ends and shaped to receive a bucket shank pocket radial contour at bucket Hi-C.
A method of constructing a damper pin for a bucket damper slot in a turbine, the method comprising:
- (a) forming slot insertion ends shaped to fit into the bucket damper slot;
- and
- (b) machining a first scallop section between the slot insertion ends, the first scallop section being shaped to receive a bucket shank pocket radial contour at bucket Hi-C.
A damper pin for a bucket damper slot in a turbine, the damper pin comprising:
- slot insertion ends shaped to fit into the bucket damper slot;
- a first scallop section machined between the slot insertion ends;
- and
- a second scallop section machined diametrically opposed and anti-symmetrical to the first scallop section between the slot insertion ends, the first and second scallop sections being shaped to receive the bucket shank pocket radial contour at bucket HI-C.
Dependencies are inferred from the claim text.