A transmission system for power generation

F - Mech Eng,Light,Heat,Weapons – 16 – H

Patent

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Details

F16H 57/08 (2006.01) F03D 11/02 (2006.01) F03B 13/26 (2006.01) F16H 1/28 (2006.01) F16H 1/46 (2006.01)

Patent

CA 2701637

A transmission (10) is disclosed for use in generating power from a fluid driven turbine such as a wind turbine (5). The transmission (10) is supported in a turbine carrier (50) and includes an input (12) and an output (20) and a gear train (14/16) between the input and the output for increasing the rotational speed of the output relative to the input. The gear train includes a plurality of gears for transmitting torque from the input to the output. The transmission includes also a generally static planet carrier (44) of an epicyclic gear stage (16), which is resiliently connected to the turbine carrier for providing a single resilient gear train torque reaction. Thus, the transmission is not restrained relative to the carrier other than in torsion and in the support of its own weight.

L'invention concerne une transmission (10) destinée à être utilisée lors de la génération d'énergie à partir d'une turbine entraînée par un fluide, telle qu'une éolienne (5). La transmission (10) est supportée dans un support de turbine (50) et comporte une entrée (12), une sortie (20) et un train d'engrenages (14/16) entre l'entrée et la sortie, pour augmenter la vitesse de rotation de la sortie par rapport à l'entrée. Le train d'engrenages comporte une pluralité d'engrenages pour transmettre un couple de l'entrée à la sortie. La transmission comporte également un porte-satellite généralement statique (44) d'un étage de train épicycloïdal (16), qui est relié de façon résiliente au support de turbine pour fournir une réaction de couple de train d'engrenages résilient unique. Ainsi, la transmission n'est pas contrainte par rapport au support autrement qu'en torsion et dans le support de son propre poids.

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