Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate
2008-04-29
2008-04-29
Edgar, Richard A. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
C029S889721
Reexamination Certificate
active
11286794
ABSTRACT:
A turbine engine component has an airfoil portion with a suction side. The component includes a cooling microcircuit embedded within a wall structure forming the suction side. The cooling microcircuit has at least one cooling film hole positioned ahead of a gage point for creating a flow of cooling fluid over an exterior surface of the suction side which travels past the gage point. The cooling microcircuit is formed using refractory metal core technology. A method for forming the cooling microcircuit is described.
REFERENCES:
patent: 2005/0031452 (2005-02-01), Liang
patent: 2007/0104576 (2007-05-01), Cunha et al.
patent: 2001-107704 (2001-04-01), None
Cunha Frank
Dahmer Matthew T.
Bachman & LaPointe P.C.
Edgar Richard A.
United Technologies Corporation
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