Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reissue Patent
2006-11-14
2006-11-14
Nguyen, Ninh H. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
C416S22900R, C416S24100B
Reissue Patent
active
RE039398
ABSTRACT:
An airfoil core die includes a tab for forming a continuous and smooth contour and extension of a first trailing edge slot recessed all to a bottom of the airfoil. The contour is formed on each airfoil core at injection and is maintained through to finish casting of the airfoil.
REFERENCES:
patent: 3921271 (1975-11-01), Dennis et al.
patent: 5243759 (1993-09-01), Brown et al.
patent: 5348446 (1994-09-01), Lee et al.
patent: 5599166 (1997-02-01), Deptowicz et al.
patent: 5857837 (1999-01-01), Zelesky et al.
Brainch Gulcharan S.
Clarke Jonathan Phillip
Danowski Michael J.
Andes William Scott
Armstrong Teasdale LLP
General Electric Company
Nguyen Ninh H.
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