slip ring motors are one in which the rotor is connected to the slip ring directly in which the slip ring also connected with the shaft so that it rotates with the rotor simultaneously..

ring is dirty or brushes arent seated

Yes a slip ring motor is there. There is a slip ring and a brush in the motor to add external resistance to the motor inorder to be able to control its speed.

no such thing, starters have commutators alternators have Slip ring.... or slip ring end when referring to directions

A slip ring is a method of making an electrical connection through a rotating assembly. Slip rings, are also called rotary electrical interfaces.,