Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate
2007-06-19
2007-06-19
Look, Edward K. (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
10871163
ABSTRACT:
A turbine engine component, such as a blade or a vane, is provided by the present invention. The turbine engine component has a pressure side and a suction side. Each of the pressure and suction sides has an external wall and an internal wall. A first set of fluid passageways is located on the pressure side between the external wall and the internal wall. A second set of fluid passageways is located on the suction side between the external wall and the internal wall. Each of the fluid passageways in the first set and in the second set has a wavy configuration. The turbine engine component may also have one or more wavy trailing edge cooling passageways for cooling a trailing edge portion of the component.
REFERENCES:
patent: 5752801 (1998-05-01), Kennedy
patent: 5931638 (1999-08-01), Krause et al.
patent: 6539627 (2003-04-01), Fleck
Draper Samuel D.
Kvasnak William S.
Bachman & LaPointe
Hanan Devin
Look Edward K.
United Technologies Corporation
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