F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
103/121
F04D 29/18 (2006.01) F04D 29/22 (2006.01) F04D 29/28 (2006.01)
Patent
CA 1313974
U. Arbeus-1 Revision IMPELLER ABSTRACT An impeller for pumps, turbines, fans, etc., of the closed type, having a number of vanes arranged between cover discs. In order to reduce the secondary flows within the impeller, the secants between the suction side of the vane and the cover discs are displaced with respect to the intersections at the pressure side of the vane. This impeller is rotationally non-symmetrical.
611191
Flygt Ab
Smart & Biggar
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