Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate
2008-01-29
2008-01-29
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...
C416S091000, C416S09700R
Reexamination Certificate
active
07322795
ABSTRACT:
A cooled cast part has an exterior surface. A cooling passageway system extends from at least one inlet port to a plurality of outlet ports. The passageway system includes a first passageway to at least a first of the outlets and surrounding at least one post. The system includes a second passageway to at least a second of the outlets passing through the at least one post.
REFERENCES:
patent: 3628880 (1971-12-01), Smuland et al.
patent: 5290143 (1994-03-01), Kington et al.
patent: 5405242 (1995-04-01), Auxier et al.
Couch Eric L.
Luczak Blake J.
Bachman & LaPointe P.C.
Kershteyn Igor
United Technologies Corporation
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