Method and a device for deriving energy from a flow of fluid

Details Method and a device for deriving energy from a flow of fluid Method and a device for deriving energy from a flow of fluid

F - Mech Eng,Light,Heat,Weapons

03

D

170/16

F03D 1/00 (2006.01) F03D 1/06 (2006.01)

Patent

CA 1138779

A B S T R A C T . Improved process and device for extracting energy present in a flowing fluid medium wherein a supported hub with propellers or blades is placed in said medium and the blades are provided with a wing or vane at the tip. The wing is of such a form that it generates a "venturi effect" in the flowing medium by which a part of the fluid which should normally pass outside the propeller disc area, is drawn into the propeller. The improvement consists of mixing of fluid which normally should pass outside the venturi with fluid which has flowed through the blades by provisions on blades and/ or wing or vanes.

359739

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