Patent · US Active

Moving-magnet motor

US11812248B2 · kind B2 · utility

0Cited by
7References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 2022
Grant dateNov 7, 2023
Priority date
Expiry dateMar 7, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2499/11
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A moving magnet motor comprising: a stationary voice coil coupled to a frame; a moving magnet assembly movably coupled to the frame and operable to move relative to the stationary coil, the moving magnet assembly comprising a magnet and a flux concentrating member that define a gap within which the stationary coil is positioned; and an actuating surface coupled to the moving magnet assembly, and wherein a movement of the moving magnet assembly drives a movement of the actuating surface along an axis of translation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.