Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Reexamination Certificate
2007-08-31
2010-11-23
Look, Edward (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Radial flow devices
C416SDIG004
Reexamination Certificate
active
07837445
ABSTRACT:
An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth TABLE I. The X and Y values are distances in inches, which when connected by smooth continuing arcs define airfoil profile sections at each distance Z in inches The X, Y and Z distances may be scalable as a function of the same constant or number to provide a scaled up or scaled down airfoil section for the nozzle. The nominal airfoil given by the X, Y and Z distances lies within an envelope of +0.130 inch to −0.030 inch.
REFERENCES:
patent: 5980209 (1999-11-01), Barry et al.
patent: 6461109 (2002-10-01), Wedlake et al.
patent: 6832897 (2004-12-01), Urban
patent: 7467926 (2008-12-01), Stampfli et al.
patent: 7520728 (2009-04-01), Sleiman et al.
Benjamin Edward D.
Humanchuk David J.
Snook Daniel D.
Vandeputte Thomas W.
Cusick Ernest G.
General Electric Company
Landgraff Frank A.
Look Edward
Smith Edward J.
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