ONE-WAY CLUTCH FOR WIND POWER GENERATION DEVICE, AND WIND POWER GENERATION DEVICE
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United States of America Patent
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app pub date -
Mar 4, 2014
filing date -
Mar 12, 2013
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Abstract
A one-way clutch includes: an inner ring; an outer ring forming a plurality of wedge-shaped spaces together with the inner ring; and a plurality of rollers respectively disposed in the wedge-shaped spaces, and integrally rotatably connects an output shaft of a speed-up gear and an input shaft of a power generator to each other by engagement of the rollers with an outer circumferential surface of the inner ring and an inner circumferential surface of the outer ring, and breaks the connection by releasing the engagement. A relationship of 1.1<θb/θa<1.4 is satisfied, where θa represents a wedge angle of the wedge-shaped spaces obtained when a load torque is applied at an initial stage of the engagement of the rollers, and θb represents a wedge angle obtained when a maximum load torque is applied.
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