You can't escape friction. The force that resists motion between two objects that are in contact with one another exhibits itself all over the place: in between your engine's rod bearings and its ...

No-slip clutch/brakes keep loads and drives synced up. Machines that move loads to specified positions and hold them within a few thousandths of an inch need highly controllable, precision brakes.

In oil-shear brake and clutch units, friction plates and oil work together to slow and accelerate systems. Consider oil-shear clutching: Upon startup, rotating input discs move toward stationary ...