WIDE-RANGE V-BELT VARIABLE-SPEED DRIVE Russian patent published in 1997 - IPC

FIELD: mechanical engineering; transport vehicle drives. SUBSTANCE: variable-speed drive has driving, driven and intermediate shafts, two extensible conical pulleys, V-belt passed over pulleys, bevel differential and gear train with idler gear. One pulley is installed on driving shaft and the other is coupled with differential carries. One central wheel of differential is coupled with output shaft, and second wheel, with intermediate shaft. One gear of gear train is coupled with driving shaft, and the other, with intermediate shaft. EFFECT: enlarged operating capabilities. 1 dwg