Aerodynamically wide range applicable cylindrical blade profiles
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United States of America Patent
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Feb 20, 2007
Grant Date -
Sep 22, 2005
app pub date -
Jun 4, 2004
filing date -
Mar 21, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to the improved aerodynamic design of a pair of blade profiles valid over a wide range of flow regime. The so formed blades, pertain to high pressure, intermediate pressure and first few stages of low pressure cylinders of axial steam turbines.The invented blades cover a wide range of stagger angles; pitch/chord ratios; inlet flow angles and outlet Mach numbers.
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