Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1992-11-20
2000-10-10
Tudor, Harold J.
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
415115, F01D 518
Patent
active
061295159
ABSTRACT:
Film cooling effectiveness for internally air cooled turbine blades of gas turbine engines is enhanced by including an interconnecting passage to the film cooling hole that is in communication with a lower internal pressure in the blade to create a suction at the exit end of the film hole to limit penetration into the gas stream.
REFERENCES:
patent: 4753575 (1988-06-01), Levengood et al.
patent: 4897020 (1990-01-01), Tonks
Auxier Thomas A.
Soechting Friedric O.
Friedland Norman
Tudor Harold J.
United Technologies Corporation
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