In order to drive motors at high efficiency, it is necessary to consider a variety of factors, including construction of the motor, components, and drive method. This series will introduce some basic ...

Rotating magnet ranging (RMR) is the one of the latest technologies used in development drilling for coalbed methane and oil sands. Tools developed over the last 25 years by Vector Magnetics LLC, ...

Magnetic couplings transmit high torque with no physical contact, and they disengage smoothly when load gets too high. Generally speaking, the couplings use magnetic power in three different ways; ...