Wind turbine with hydraulic transmission

Details Wind turbine with hydraulic transmission Wind turbine with hydraulic transmission

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 11/02 (2006.01) F03D 9/00 (2006.01) F16H 39/00 (2006.01) F16H 39/02 (2006.01) F16H 61/42 (2010.01)

Patent

CA 2486181

A wind turbine includes a closed loop hydrostatic transmission. The rotor is directly coupled to a low-speed high torque hydraulic motor, which is pressure- reversible to act as a pump. A variable displacement, pressure compensated hydrostatic transmission receives the hydraulic fluid output and drives a generator. The hydrostatic transmission and the generator may be compactly located in the nacelle of wind turbine tower.

L'invention concerne une éolienne qui comprend une transmission hydrostatique en boucle fermée. Le rotor est couplé directement à un moteur hydraulique à couple élevé et faible vitesse, dont la pression peut être inversée pour que le système serve de pompe. Une transmission hydrostatique à compensation de pression et cylindrée variable reçoit la sortie de fluide hydraulique et entraîne un générateur. La transmission hydrostatique et le générateur peuvent être placés de manière compacte dans la nacelle d'une tour d'éolienne.

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