US 12,015,358 B2
Portable charging device with kinetic energy recovery
Zhengge Chen, Chengdu (CN); Jianping Xu, Chengdu (CN); and Songrong Wu, Chengdu (CN)
Assigned to Southwest Jiaotong University, Chengdu (CN)
Filed by Southwest Jiaotong University, Chengdu (CN)
Filed on Aug. 3, 2022, as Appl. No. 17/880,557.
Claims priority of application No. 202210193282.6 (CN), filed on Mar. 1, 2022.
Prior Publication US 2023/0283206 A1, Sep. 7, 2023
Int. Cl. H02K 7/00 (2006.01); H02J 7/00 (2006.01); H02M 1/00 (2006.01); H02M 7/217 (2006.01); H02N 11/00 (2006.01); H02K 5/00 (2006.01)
CPC H02N 11/002 (2013.01) [H02J 7/0013 (2013.01); H02J 7/0042 (2013.01); H02K 7/00 (2013.01); H02M 1/0012 (2021.05); H02M 7/217 (2013.01); H02J 2207/20 (2020.01); H02K 5/00 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A portable charging device with kinetic energy recovery, comprising a machine body, a kinetic energy recovery component, an alternating current-direct current (AC-DC) electric energy conversion component, and an energy storage component, wherein the kinetic energy recovery component is embedded in the machine body by a locking assembly; and the kinetic energy recovery component comprises a ring body, a conductor coil, a permanent magnet sphere, and two sealing covers, wherein the ring body is oval, the two sealing covers are symmetrically and fixedly attached to both sides of the ring body, and a middle part of the ring body and the two sealing covers form a vacuum cavity; the permanent magnet sphere is able to reciprocate up and down in the vacuum cavity; the conductor coil is a wire and is symmetrically, fixedly and hermetically wound on both sides of the ring body; both ends of the conductor coil are electrically connected with two first conductive blocks; the two first conductive blocks are fixedly embedded in the ring body; the energy storage component is arranged at the right side of the machine body; the AC-DC electric energy conversion component is arranged at a bottom side of the machine body; and the two first conductive blocks are electrically connected to the AC-DC electric energy conversion component.