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Mechanic lying on a creeper roller. A creeper is a low-profile tool used to help a person more easily slide in and out of confined spaces, such as the underside of a car, for performing inspection or maintenance. [1] Other names for such devices include car creeper, garage creeper and mechanic creeper. They are built with a low profile to ...
Insides of a slip-stick piezoelectric motor. Two piezoelectric crystals are visible that provide the mechanical torque. [1]A piezoelectric motor or piezo motor is a type of electric motor based on the change in shape of a piezoelectric material when an electric field is applied, as a consequence of the converse piezoelectric effect.
The vibration is often generated by an electric motor with an unbalanced mass on its driveshaft. There are many different types of vibrator. Typically, they are components of larger products such as smartphones , pagers , or video game controllers with a "rumble" feature.
The Lynch motor is a unique axial gap permanent magnet brushed DC electric motor. [1] The motor has a pancake-like shape and was invented by Cedric Lynch in 1979, the relevant patent being filed on 18 December 1986. [2] The Lynch motor is built from ferrite blocks sandwiched between strips of metal, instead of conventional copper coil windings ...
The first electric motor was invented in 1822 by Michael Faraday. The motor was developed only a year after Hans Christian Ørsted discovered that the flow of electric current creates a proportional magnetic field. [5] This early motor was simply a wire partially submerged into a glass of mercury with a magnet at the bottom.
A ZQDR-410 traction motor (the large, dark component on the axle with small ventilation holes) A traction motor is an electric motor used for propulsion of a vehicle, such as locomotives, electric or hydrogen vehicles, or electric multiple unit trains.