Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1995-01-27
1996-03-05
Look, Edward K.
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
054961513
ABSTRACT:
A hollow turbine blade having at least one first row of holes disposed in the leading edge zone of the blade so that each hole communicates with a longitudinal internal cavity of the blade which, in use, is supplied with cooling air, is also provided with at least one second row of holes in the leading edge zone, each hole of the second row intersecting at one end a respective hole of the first row and opening at its other end in the outer surface of the blade.
REFERENCES:
patent: 3619077 (1971-11-01), Wile et al.
patent: 5215431 (1993-06-01), Derrien
patent: 5342172 (1994-08-01), Coudray et al.
patent: 5370499 (1994-12-01), Lee
Coudray Xavier G. A.
Pichon Philippe M. P.
Larson James A.
Look Edward K.
Societe Nationale D'Etude et de Construction de Moteures D'Aviat
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