Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate
2007-07-06
2010-12-28
Edgar, Richard (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
C416S233000
Reexamination Certificate
active
07857588
ABSTRACT:
A reinforced airfoil includes an airfoil body including opposed walls that define a hollow interior space and a reinforcement member provided on at least one of the walls within the interior space, the reinforcement member increasing the thickness of the at least one wall so as to resist deformation of the at least one wall but not extending from one wall to the other.
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Gautschi Steven Bruce
Pietraszkiewicz Edward F.
Propheter-Hinckley Tracy A.
Carlson Gaskey & Olds P.C.
Edgar Richard
United Technologies Corporation
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