Patent · US Expired

Electric direct current rotating machine

US4060746A · kind A · utility

5Cited by
4References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 5, 1975
Grant dateNov 29, 1977
Priority date
Expiry dateSep 5, 1995

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K47/14
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The rotor of an electric direct current rotating machine has at least one winding which cooperates with a stationary magnetic circuit. The winding is formed of several sections connected in series. The respective opposite ends of each section are connected to adjacent segments of a commutator associated with the winding. The sections are arranged on the rotor in such a manner that portions of different adjacent sections are disposed concurrently in the commutation zone so that currents flow through these portions in opposite directions. The invention finds application in particular to direct current motors and to motor-generators.

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