Steam turbine rotor seal radial key member, related assembly and steam turbine
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United States of America Patent
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Aug 14, 2018
Grant Date -
Jun 8, 2017
app pub date -
Dec 7, 2015
filing date -
Dec 7, 2015
priority date (Note) -
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Abstract
Various embodiments include a rotor key member, along with a related assembly and steam turbine. Particular embodiments include a rotor key member for radially retaining a circumferential seal in a steam turbine rotor body, the rotor key member including: a main body sized to contact an axial face of the circumferential seal; and a hook extending from the main body in a direction axially away from the circumferential seal, the hook sized to substantially complement a corresponding shelf in the steam turbine rotor body to restrict movement of the circumferential seal relative to the steam turbine rotor body.
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