Freewheel, Sprag and Overrunning clutches – Basic Information and Applications
Freewheel Clutch: The freewheel clutch, sprag clutches and overrunning clutches are very common and most used parts in Mechanical engineering. A Freewheel Clutch is a device which fives the fastest rotation to the shaft in automotive or mechanical engineering. Sometimes this clutch is overdrive and hence mistakenly it is called Freewheel clutch. The Freewheel Clutches are couplings of one way rotation. This clutch allowed idling in one direction and in the opposite direction transmitting the torque. Freewheel clutch is the one way clutch. Application of Freewheel clutches: • The Freewheel Clutches are widely used as a protective device on engine starters. • This clutch is used as vehicle transmissions. • An Overrunning Clutches are used in agriculture equipment on hay balers. • Freewheel Clutches are used in rotorcrafts in helicopter. It allows independent spin. • In older cycle, the Freewheel clutch mechanism is used in gear assembly. In new bicycles ...