Snell & Wilmer LLP
Ferrofluid liquid spring with magnets between coils inside an enclosed chamber for vibration energy harvesting
A vibration energy harvester includes a proof mass that is a magnetic array or a coil array. The magnetic array has multiple magnets. The coil array has one or more coils. The vibration energy harvester includes an enclosed chamber. The enclosed chamber has the other of the coil array or the magnetic array that is not the proof mass. The one or more copper coils and the multiple magnets are configured to generate the electrical energy from a relative movement between the one or more copper coils and the multiple magnets. The vibration energy harvester includes a liquid suspension that suspends the proof mass within the enclosed chamber.
UNIVERSITY OF SOUTHERN CALIFORNIA
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Qian Yufeng Eun Sok
Zhang Wang Kim