Invention Grant
- Patent Title: Vibration apparatus with moving magnet group and magnet group inside coil
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Application No.: US17786589Application Date: 2020-12-05
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Publication No.: US12176782B2Publication Date: 2024-12-24
- Inventor: Dezhang Shi , Dongsheng Mao , Zhiming Gao , Wenhua Gao
- Applicant: GOERTEK INC.
- Applicant Address: CN Shandong
- Assignee: GOERTEK INC.
- Current Assignee: GOERTEK INC.
- Current Assignee Address: CN Shandong
- Agency: Shih IP Law Group, PLLC
- Priority: CN201911320565.7 20191219
- International Application: PCT/CN2020/134105 WO 20201205
- International Announcement: WO2021/121055 WO 20210624
- Main IPC: H02K33/00
- 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.
Public/Granted literature
- US20230015265A1 VIBRATION APPARATUS Public/Granted day:2023-01-19
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