公开(公告)号：US12176782B2

公开(公告)日：2024-12-24

申请号：US17786589

申请日：2020-12-05

Applicant: GOERTEK INC.

Inventor： Dezhang Shi ,  Dongsheng Mao ,  Zhiming Gao ,  Wenhua Gao

IPC: H02K33/00

Abstract: A vibration apparatus comprising: a vibration assembly comprising a counterweight block, a first magnet group and an elastic member, the first magnet group is fixed on the counterweight block, the vibration assembly is suspended in the vibration apparatus through the elastic member; a stator assembly comprising a coil and a second magnet group, the second magnet group is installed in a winding hole of the coil; the first magnet group comprises at least two side magnets, magnetization directions of the two side magnets are perpendicular to a plane on which the coil is located, the side magnets are magnetized in opposite directions, a magnetization direction of the second magnet group is parallel to the plane, two poles of second magnet group are respectively attracted to poles of side magnets adjacent to the coil, the vibration assembly is configured to produce vibration relative to the stator assembly.