Patent · US Expired

Electric motor control

US4412146A · kind A · utility

71Cited by

5References

6Claims

0Family size

Inventors

Bodo Futterer · Luzern, CH
Jürgen Mayer · Munich, DE
Hugo Fritschy · Sachseln, CH

Key dates

Filing date	Oct 30, 1980
Grant date	Oct 25, 1983
Priority date	—
Expiry date	Oct 30, 2000

Classification

Technology area (CPC H)Electricity
CPC primaryH02K23/56
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electric motor construction is described in which the permanent magnet and a flux return element are embedded in a molded structure serving as a face plate and including seats for bearings as well as a bore for the motor shaft.

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