F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
103/16
F04D 3/00 (2006.01) B63H 1/26 (2006.01) F04D 29/18 (2006.01)
Patent
CA 1229765
ABSTRACT OF DISCLOSURE A means for forming a fluid-contacting surface on such as a stationary deflector or a blade of a rotatable impeller or propeller, and any device incorporating or provided with such fluid-contacting surface, wherein said surface comprises at least part of the surface generated by a generating line extending radially from a point of origin on an axis and rotated about said axis from said point and radial position so as to sweep through a decreasing angle relative to the axis as rotation takes place.
449675
Borden Ladner Gervais Llp
Davidson Robert
LandOfFree
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