Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate
2006-03-28
2008-11-04
Kershteyn, Igor (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
C415S115000, C415S116000, C416S09600A, C416S09700R
Reexamination Certificate
active
07445432
ABSTRACT:
A cooling passageway for use in an airfoil prtrion of a turbine engine component having a pressure side wall and a suction side wall is provided. The cooling passsageway comprises a serpentine flow passageway through which a cooling fluid flows. The passageway has an inlet through which cooling fluid is introduced into the passageway, an inlet channel for receiving the cooling fluid, an intermediate channel, and an outlet channel. A divider rib extends from a location in the inlet channel to a termination in the intermediate channel to improve the heat transfer coefficients associated with the passageway.
REFERENCES:
patent: 4753575 (1988-06-01), Levengood et al.
patent: 2003/0108422 (2003-06-01), Merry
patent: 2006/0153679 (2006-07-01), Liang
Abdel-Messeh William
Kaufman Eleanor
Levine Jeffrey R.
Surace Raymond
Bachman & LaPointe P.C.
Kershteyn Igor
United Technologies Corporation
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