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  2. Cycloidal drive - Wikipedia

    en.wikipedia.org/wiki/Cycloidal_drive

    Animation of a cycloidal drive. A cycloidal drive or cycloidal speed reducer is a mechanism for reducing the speed of an input shaft by a certain ratio. Cycloidal speed reducers are capable of relatively high ratios in compact sizes with very low backlash. [1] The input shaft drives an eccentric bearing that in turn drives the cycloidal disc in ...

  3. Nabtesco - Wikipedia

    en.wikipedia.org/wiki/Nabtesco

    Nabtesco (ナブテスコ株式会社, Nabutesuko Kabushiki-gaisha) is a Japanese engineering company that specializes in gearboxes, rotors, motors and robotics. History [ edit ]

  4. Cyclorotor - Wikipedia

    en.wikipedia.org/wiki/Cyclorotor

    A cyclorotor, cycloidal rotor, cycloidal propeller or cyclogiro, is a fluid propulsion device that converts shaft power into the acceleration of a fluid using a rotating axis perpendicular to the direction of fluid motion. It uses several blades with a spanwise axis parallel to the axis of rotation and perpendicular to the direction of fluid ...

  5. Propulsor - Wikipedia

    en.wikipedia.org/wiki/Propulsor

    A magnetohydrodynamic drive or MHD propulsor is a method for propelling seagoing vessels using only electric and magnetic fields with no moving parts, using magnetohydrodynamics. The working principle involves electrification of the propellant (gas or water) which can then be directed by a magnetic field, pushing the vehicle in the opposite ...

  6. Magnetic gear - Wikipedia

    en.wikipedia.org/wiki/Magnetic_Gear

    In addition, there are "cycloidal drive" gears with a gear ratio similar to planetary drives, also called "epicyclic" or "eccentric" gears. Magnetic gears advantages: Leak proof mechanical coupling; Shear / overload proof mechanical coupling; Wear is limited to bearings, not mating contact surfaces of gears

  7. Doctors Say This Nighttime Behavior Can Be A Sign Of Dementia

    www.aol.com/lifestyle/doctors-nighttime-behavior...

    “Encourage activities and exposure to natural light during the day to support healthy sleep-wake cycles.” It's also crucial to try to avoid overstimulation in the evenings by limiting loud ...

  8. Moral Injury - The Huffington Post

    projects.huffingtonpost.com/moral-injury/joseph...

    Some troops leave the battlefield injured. Others return from war with mental wounds. Yet many of the 2 million Iraq and Afghanistan veterans suffer from a condition the Defense Department refuses to acknowledge: Moral injury.

  9. Strain wave gearing - Wikipedia

    en.wikipedia.org/wiki/Strain_Wave_Gearing

    Harmonic Drive SE strain wave gear set consisting of wave generator bearing (top left), flexspline cup (top right) and circular spline ring (bottom). Strain wave gearing (also known as harmonic gearing ) is a type of mechanical gear system that uses a flexible spline with external teeth, which is deformed by a rotating elliptical plug to engage ...