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  2. Electric motor - Wikipedia

    en.wikipedia.org/wiki/Electric_motor

    An industrial electric motor . An electric motor is a machine that converts electrical energy into mechanical energy.Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft.

  3. DC motor - Wikipedia

    en.wikipedia.org/wiki/DC_motor

    A compound DC motor connects the armature and fields windings in a shunt and a series combination to give it characteristics of both a shunt and a series DC motor. [5] This motor is used when both a high starting torque and good speed regulation is needed. The motor can be connected in two arrangements: cumulatively or differentially.

  4. Brushless DC electric motor - Wikipedia

    en.wikipedia.org/wiki/Brushless_DC_electric_motor

    The motor from a 3.5 in floppy disk drive. The coils, arranged radially, are made from copper wire coated with blue insulation. The rotor (upper right) has been removed and turned upside-down. The gray ring inside its cup is a permanent magnet. This particular motor is an outrunner, with the stator inside the rotor. DC brushless ducted fan. The ...

  5. Torque motor - Wikipedia

    en.wikipedia.org/wiki/Torque_motor

    A torque motor is a specialized form of DC electric motor which can operate indefinitely while stalled, without incurring damage. In this mode of operation, the motor will apply a steady torque to the load (hence the name). A torque motor that cannot perform a complete rotation is known as a limited angle torque motor.

  6. Timeline of the electric motor - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_electric_motor

    Electric Motor Chronology Selected Patents 1905, Alfred Zehden German, a feasible linear induction motor described in patent form for driving trains or lifts. U.S. patent 782,312: 1935, Hermann Kemper: German, built a working linear induction motor 1945–1949, Eric Laithwaite: British, first full-size working model of linear induction motor

  7. Armature Controlled DC Motor - Wikipedia

    en.wikipedia.org/wiki/Armature_Controlled_DC_Motor

    A motor requiring a DC power supply for operation is termed a DC motor. DC motors are widely used in control applications like robotics , tape drives , machines and many more. Separately excited DC motors are suitable for control applications because of separate field and armature circuit. [ 1 ]

  8. AC motor - Wikipedia

    en.wikipedia.org/wiki/AC_motor

    An AC motor is an electric motor driven by an alternating current (AC). The AC motor commonly consists of two basic parts, an outside stator having coils supplied with alternating current to produce a rotating magnetic field, and an inside rotor attached to the output shaft producing a second rotating magnetic field. The rotor magnetic field ...

  9. Ultrasonic motor - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_motor

    An ultrasonic motor is a type of piezoelectric motor powered by the ultrasonic vibration of a component, the stator, placed against another component, the rotor or slider depending on the scheme of operation (rotation or linear translation).