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US 8,616,839 B2Granted
Turbine shell with pin support
AssigneeGeneral Electric Company
InventorsHenry Grady Ballard, Jr., Fred Thomas Willett, Jr.
Life of this patent
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Abstract
A turbine is provided and includes a turbine shell including shrouds at multiple stages thereof, and constraining elements, disposed at least at first through fourth substantially regularly spaced perimetrical locations around the turbine shell, which are configured to concentrically constrain the shrouds of the turbine shell.
Claims5
A turbine, comprising:
- a turbine shell, having slots defined therein at least at first through fourth substantially regularly spaced perimetrical locations;
- a shroud ring disposed within the turbine shell and configured to radially expand or contract around a rotatable turbine bucket;
- and
- keys, formed on the shroud ring at locations corresponding to those of the slots, to mate with the slots and to axially and perimetrically position the radially expandable and contractible shroud ring within the turbine shell.
1 more element
Dependencies are inferred from the claim text.