“Whatever Input to Torsion Transfer”: Harvesting energy from a WITT gearbox device

E Butler, Y Darbar, P Kaklamanos, A Lacey, E Luckins… - 2023 - ueaeprints.uea.ac.uk
The WITT gearbox is a device that harvests energy from its environment by responding to
sufficiently high frequency and amplitude harmonic acceleration in any plane of motion. It is
a simple apparatus, consisting of pendula, gears, bearings, clutches, and power conversion
electronics, that can be immersed in a sealed way into a harsh, turbulent environment. It
then generates uninterrupted power by turning vibration to rotation, always in the same
direction, regardless of the direction of the external vibration. In this work, we expand the …

" Whatever Input to Torsion Transfer'': Harvesting energy from a WITT gearbox device

P Kaklamanos, E Buttler, Y Darbar, A Lacey, E Luckins… - 2024 - cambridge.org
The WITT gearbox is a device that harvests energy from its environment by responding to
sufficiently high frequency and amplitude harmonic acceleration in any plane of motion. It is
a simple apparatus, consisting of pendula, gears, bearings, clutches, and power conversion
electronics, that can be immersed in a sealed way into a harsh, turbulent environment. It
then generates uninterrupted power by turning vibration to rotation, always in the same
direction, regardless of the direction of the external vibration. In this work, we expand the …
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