Patent · US Active

Linear motor and electric device with linear motor

US10587177B2 · kind B2 · utility

0Cited by

3References

10Claims

0Family size

Assignee

The Braun Corporation · DE

Inventors

Uwe Schober · Königstein, DE
Frank Ziegler · Karben, DE
Robert D. Schaefer · Talbert, US

Key dates

Filing date	Sep 26, 2017
Grant date	Mar 10, 2020
Priority date	—
Expiry date	May 18, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH02K33/16
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A linear motor includes an armature mounted for driven linear oscillation substantially along a longitudinal direction; a secondary mass mounted for linear oscillation substantially along the longitudinal direction; and a coupling unit for coupling the armature and the secondary mass. The coupling unit includes at least two coupling spring assemblies and at least a coupling element, the coupling spring assemblies being arranged in planes perpendicular to the longitudinal direction and being spaced apart from each other, and the coupling element being fixedly connected with the coupling spring assemblies.

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