Darrieus waterwheel turbine

Details Darrieus waterwheel turbine Darrieus waterwheel turbine

F - Mech Eng,Light,Heat,Weapons

03

B

F03B 3/14 (2006.01) F03B 3/00 (2006.01)

Patent

CA 2547748

A reaction turbine system for the generation of hydroelectricity is disclosed. It consists of a Darrieus type turbine with a horizontal axis of rotation. The blades may be straight or helical, and are held equidistant from the central rotating shaft by blade support members. The blades are oriented so that a blade at its rotational apex moves directly opposite to the direction of water flow. The turbine is elevated such that the top portion, where blades travel directly against the direction of water flow, is in the air and above the water level. This design greatly reduces stresses on the system and increases energy output relative to a Darrieus turbine fully immersed in water flow. This design also enables the turbine to self-start.

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