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Solid Wire Sealing

IP.com Disclosure Number: IPCOM000152287D
Original Publication Date: 2007-May-24
Included in the Prior Art Database: 2007-May-24

Publishing Venue

Siemens

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Abstract

Leakages are a reason for efficiency reduction in gas turbines and they occur at every interface of cooled parts. One task of sealing plates of turbine blades is to prevent hot gas inflow and its mixture with the blade root cooling air. In order to seal the leakages the blade cooling air in the root region has to have a higher pressure than the hot gas.