Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Reexamination Certificate
2005-12-27
2005-12-27
Look, Edward K. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Radial flow devices
C416SDIG002, C416SDIG005
Reexamination Certificate
active
06979178
ABSTRACT:
This invention relates an improved cylindrical blades for axial steam turbines comprising a leading edge and a trailing edge and a pressure face and a suction face and an inlet flow angle and an outflow flow angle at the leading edge and trailing edge respectively characterized in that the blades formed by setting angle variation for incompressible flow as well as at subsonic Mach numbers at the exit with a lower loss for a range of stagger angles.
REFERENCES:
patent: 5352092 (1994-10-01), Ferleger et al.
Bharat Heavy Electricals Ltd.
Look Edward K.
Venable LLP
Voorhees Catherine M.
White Dwayne J.
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