WIND TURBINE WITH GEARBOX OF SINGLE-STAGE SPEED MULTIPLIER WITH HIGH GEAR RATIO Russian patent published in 2017 - IPC F03D15/00 F16H1/00 

FIELD: machine engineering.

SUBSTANCE: gearbox has a coaxial pair of ring gears including a large ring gear having a pitch diameter A, and a small ring gear having a pitch diameter D. The coaxial pair of spur gears includes a large spur gear having a pitch diameter B and a small spur gear having a pitch diameter C. The large spur gear engages with the large ring gear, and small spur gear engages with small ring gear to form two engaging pairs. A carrier is connected to input shaft of the gearbox. Two gears of one of two coaxial pairs are joined together to act epicyclicly on a bearing element. One of the gears of other two coaxial pairs is attached to the unit frame and the other gear is connected to an output shaft. Four gears satisfy the ratio of dimensions A=K+i, B=K, C=K-j and D=K+i-j-j, where K, i and j are integers.

EFFECT: change of input rate on the input shaft connected to blade shaft of the wind turbine before the output rate on the output shaft connected to electric generator of wind turbine.

4 cl, 2 tbl, 7 dwg