Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural distributing means immediately upstream of runner
Reexamination Certificate
2008-09-02
2008-09-02
Nguyen, Ninh H (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural distributing means immediately upstream of runner
C416S243000, C416SDIG004
Reexamination Certificate
active
11510826
ABSTRACT:
A turbomachine blade with a profile skeleton line extending along a meridional flow line, the blade being radially divided into at least three zones (Z0, Z1, Z2) with profile skeleton lines of each zone (Z0, Z1, Z2) provided in each zone from the respective radially inner to the radially outer boundary to satisfy the equations:α*=α1-αPα1-α2S*=sPSwhereP is any point of the profile skeleton line,α1is angle of inclination at blade leading edge,α2is angle of inclination at blade trailing edge,α* is dimensionless, specific angle of total curvature,S* is dimensionless; specific extension,αPis angle of tangent at any point P of profile skeleton line to central meridional flow line,sPis extension of profile skeleton line at any point P, andS is total extension of profile skeleton line.
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Klima Timothy J.
Nguyen Ninh H
Rolls-Royce Deutschland Ltd & Co KG
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