Magnetic Gears - Why nobody talks about this?

Magnetic gears are innovative mechanical devices that transmit torque and motion using the principles of magnetism instead of traditional gear teeth. They offer several advantages over conventional mechanical gears, including high efficiency, low noise, compact size, and the absence of physical contact between the components.

Technical data and specifications of magnetic gears can vary depending on the specific design and application. Some key features and characteristics include:

Torque Transmission: Magnetic gears can transmit torque with high efficiency, often surpassing 95%. They can handle various torque levels, ranging from small-scale applications to heavy-duty industrial machinery.

Gear Ratios: Magnetic gears can achieve a wide range of gear ratios, providing flexibility in matching speed requirements for different applications. They can offer both fixed and variable gear ratios, allowing for versatile torque and speed control.

Size and Weight: Magnetic gears are typically compact and lightweight compared to traditional gears. Their smaller footprint makes them suitable for applications where space is limited or weight reduction is crucial.

Noise and Vibration: Due to the absence of physical contact between components, magnetic gears operate with minimal noise and vibration. This makes them ideal for applications where quiet operation is essential, such as in precision equipment or noise-sensitive environments.

Maintenance and Durability: Magnetic gears have fewer wear components compared to traditional gears, resulting in reduced maintenance requirements and increased durability. They can operate smoothly and reliably over long periods, minimizing the need for frequent repairs or replacements.

While magnetic gears offer numerous advantages, their implementation is still relatively new and may require specialized design considerations and magnetic materials. Ongoing research and development in this field aim to further improve their efficiency, torque capacity, and applicability across various industries, including robotics, wind turbines, and automotive systems.