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Magnetic gears

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In this application note, two external magnetic gear systems with parallel axes will be studied [1],[2]. The analyzed magnetic gears are made of two different shapes: radial and parallelepiped permanent magnets.

Magnetic gears (MG) which achieve contactless power transmission are increasingly attracting the interest of industry. Traditional mechanical gears suffer from several weaknesses: friction losses, lubrication issues, heat, vibration and noise. Magnetic gears are therefore developed to overcome the issues accompanying the use of traditional mechanical ones.

Gears and gearboxes are used to vary the speed and torque transmission in several applications.