idle wheel

1. Idle car owners are the car owners who rarely get behind the wheel of their vehicles because of rising petrol, insurance and registration costs.
   所谓捧车族就是那些因为油费、保险、登记费用上涨而极少开车的有车族。
2. The combination of positive displacement rotor and idle wheel of WGB pump had better function and can realized the transportation of liquid with low shear change and no pulse.
   WGB泵的正排量转子和惰轮组合体工作中有较好的缓冲作用，能达到低切变，无脉冲的流体输送。
3. Under the same torque, the idle angle is less when driving part is the race than the star wheel, and also the bigger the clutch size, the less the idle angle.
   在工况条件相同时，选套筒为主动件时的空转角比选星轮为主动件时的空转角小；传递相同转矩时，尺寸大的离合器空转角小。

noun

1. a pulley on a shaft that presses against a guide belt to guide or tighten it

   Synonym:    idle pulleyidler pulley