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Labyrinthine turbine-rotor-blade tip sealMeans for sealing the tip 18 of a rotor turbine blade 10 against tip leakage flow comprising a multiplicity of recesses 30 formed in the surface of the tip 18. The recesses 30 are preferably formed in a labyrinthine or slaggered pattern which interposes at least one recess 30 in every leakage flow path across the tip 18 from the pressure side 26 to the suction side 28 of the blade 10.
Document ID
20080008190
Acquisition Source
Marshall Space Flight Center
Document Type
Other - Patent
Authors
Wagner, William R.
Date Acquired
August 24, 2013
Publication Date
July 28, 1987
Subject Category
Fluid Mechanics And Thermodynamics
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-865924
Patent Number: US-PATENT-4,682,933
Funding Number(s)
CONTRACT_GRANT: NAS8-27980
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-4,682,933
Patent Application
US-PATENT-APPL-SN-865924

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