F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
F03D 7/06 (2006.01) F03D 3/06 (2006.01)
Patent
CA 2580094
A cross flow turbine having one or more aerofoil blades (2) rotatably mounted about a central axis (3) and connected to said axis at or near each end of the one or more blades. The blades have a degree of torsional flexibility that make them twistable about the longitudinal blade axis to reduce the aerodynamic efficiency of the blades to control the rotational speed of the turbine. The twist of the blades can be actively controlled by means of a spring (12), other mechanical actuator or motor.
L'invention concerne une turbine à impulsions radiales comportant une ou plusieurs pale(s) à profil aérodynamique montée(s) de manière rotative autour d'un axe central et reliée(s) à cet axe central au niveau ou à proximité de chaque extrémité. Le degré de flexibilité en torsion de ces pales permet leur torsion autour de l'axe de pale longitudinal, ce qui permet de réduire la finesse aérodynamique de ces pales, et ainsi de commander la vitesse de rotation de la turbine. La torsion des pales peut être régulée, de manière active, au moyen d'un ressort, d'un autre actionneur mécanique, ou d'un moteur.
Proven Energy Limited
Teitelbaum & Maclean
LandOfFree
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