Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1994-06-20
1995-10-31
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
054624053
ABSTRACT:
A coolable airfoil having internal cooling passages 82, 84, 74 is disclosed. Various construction details are developed to increase cooling in critical locations of the airfoil. In one embodiment, a pair of side-by-side spanwisely extending passages 82, 84 flow cooling air to the tip passage 74 which extends rearwardly in a flag-like manner.
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patent: 4752186 (1988-06-01), Liang
patent: 4753575 (1988-06-01), Levengood et al.
patent: 4992026 (1991-02-01), Ohtomo et al.
Drawing of the first stage turbine blade for the V-2500-A1 engine, International Aero Engines, 1991.
Hoff Richard W.
Martin David R.
Fleischhauer Gene D.
Larson James A.
Look Edward K.
United Technologies Corporation
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