Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate
2006-08-22
2006-08-22
Verdier, Christopher (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
Reexamination Certificate
active
07094031
ABSTRACT:
A turbine rotor blade includes an airfoil having pressure and suction sidewalls extending longitudinally in span from root to tip. The sidewalls are spaced apart between leading and trailing edges and joined together by longitudinal partitions defining flow channels therein. Rows of first and second slant turbulators extend from one of the sidewalls in one of the channels and are offset longitudinally. The first and second turbulators overlap chordally to eliminate an axial gap therebetween while maintaining a radial gap for tripping cooling air channeled along the span of the channel.
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Lee Ching-Pang
Lu Wenfeng
Conte Francis L.
Friskney Stephen H.
Verdier Christopher
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