Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1992-12-21
1993-12-21
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...
416 96R, F01D 518
Patent
active
052717151
ABSTRACT:
An air cooled gas engine turbine blade that includes a plurality of longitudinally spaced cavities adjacent the leading edge of the blade is designed to include angularly disposed impingement passages flowing cooling air into each of the cavities in a direction extending from the root to the tip of the blade and including an annular projection upstream of the impingement passage but adjacent thereto for directing air into the respective cavities with total instead of static pressure. The impingement holes are oriented to align with the film cool holes in the blade surface at the leading edge. Ribs formed between cavities are also oriented to be parallel to the impingement holes.
REFERENCES:
patent: 3810711 (1974-05-01), Emmerson et al.
patent: 4257737 (1981-03-01), Andress et al.
patent: 4347037 (1982-08-01), Corrigan
patent: 4753575 (1988-06-01), Levengood et al.
Auxier Thomas A.
Miller, Jr. Samuel R.
Plank William L.
Zelesky Mark F.
Friedland Norman
Larson James A.
Look Edward K.
United Technologies Corporation
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