Vibration motor
US10128730B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2016 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Mar 15, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K33/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vibration motor includes a fixation part having a housing forming an accommodation space and at least one coil fixed in the accommodation space, a vibration part including a magnet and a weight for accommodating the magnet, an elastic connecting part for suspending the vibration part in the accommodation space; a damping element accommodated in the weight; a limiting column penetrating the damping element and extending along a direction from the magnet to the coil, two ends of the limiting column being fixed to the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.