Patent · US Active

Vibration motor

US10128730B2 · kind B2 · utility

1Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 1, 2016
Grant dateNov 13, 2018
Priority date
Expiry dateMar 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.