Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1987-08-06
1988-08-30
Powell, Jr., Everette A.
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
047672684
ABSTRACT:
A hollow, cooled airfoil has a pair of nested, coolant channels therein which carry separate coolant flows back and forth across the span of the airfoil in adjacent parallel paths. The coolant in both channels flows from a rearward to forward location within the airfoil allowing the coolant to be ejected from the airfoil near the leading edge through film coolant holes.
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patent: 4474532 (1984-10-01), Pazder
patent: 4500258 (1985-02-01), Dodd et al.
patent: 4514144 (1985-04-01), Lee
patent: 4604031 (1986-08-01), Moss et al.
Auxier Thomas A.
Hall Kenneth B.
Landis Kenneth K.
Powell Jr. Everette A.
Revis Stephen E.
United Technologies Corporation
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