Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Formed with main spar
Reexamination Certificate
2006-05-03
2008-11-18
Kershteyn, Igor (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Formed with main spar
C416S22900R, C416S24100B, C415S200000
Reexamination Certificate
active
07452189
ABSTRACT:
A vane has an airfoil shell and a spar within the shell. The vane has an outboard shroud at an outboard end of the shell and an inboard platform at an inboard end of the shell. The spar has a first chamber essentially along the suction side and a second chamber along the pressure side opposite the first chamber.
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Green Kevin E.
Jarmon David C.
Ochs Stuart S.
Prill Lisa A.
Sahm Michael K.
Bachman & LaPointe P.C.
Kershteyn Igor
United Technologies Corporation
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