2,Hydrodynamic torque converter 2.1 Working principle and characteristics a.Component pump impeller、turbine、idler pulley 7 Fixed on fixed tube Fixed on output shaft Fixed on engine crankshaft 图16-4液力变矩器示意图 1-发动机曲轴；2-变矩器壳；3-涡轮；4-泵 轮；5-导轮；6导轮固定套管；7-从动轴；8 起动齿圈
2、 Hydrodynamic torque converter 2.1 Working principle and characteristics a. Component ： Fixed on engine crankshaft Fixed on output shaft Fixed on fixed tube pump impeller、 turbine 、idler pulley 图16-4
b.The different between hydrodynamic torque converter and hydraulic coupler >One more fixed idler pulley in structure. Not only can it transmit torque,but it also can change the torque of the turbine when the speed and torque of the pump impeller is unchanged. 8 纵
b. The different between hydrodynamic torque converter and hydraulic coupler ： One more fixed idler pulley in structure. Not only can it transmit torque，but it also can change the torque of the turbine when the speed and torque of the pump impeller is unchanged
31 Exploded view
Exploded view
2 1-涡轮2-导轮3-泵轮
泵轮 涡轮 导轮被锁止 X