公开(公告)号：US09735710B2

公开(公告)日：2017-08-15

申请号：US14747617

申请日：2015-06-23

申请人： SUMITOMO RIKO COMPANY LIMITED ,  Panasonic Corporation

发明人： Koichi Hasegawa ,  Hajime Kurikuma ,  Atsushi Muramatsu ,  Hidenori Katsumura ,  Akihiko Namba ,  Hiroshi Kagata

IPC分类号： H02N2/18 ,  H01L41/113

CPC分类号： H02N2/188 ,  H01L41/1136

摘要： A power generator including: a vibration system configured to be attached to a vibrating member; and a power generating element attached to the vibration system. The vibration system is a multiple-degree-of-freedom vibration system that includes a first vibration system having a first mass member elastically supported by a first spring member, and a second vibration system having a second mass member elastically connected to the first mass member by a second spring member. The power generating element is arranged between the first and second mass members, and vibration applied from the vibrating member causes relative displacement of the first and second mass members so that vibration energy of the vibrating member is input to the power generating element. A natural frequency of the first vibration system is different from that of the second vibration system.