Patent · US Expired

Core element for electrodynamic rotary machine

US4508989A · kind A · utility

2Cited by
12References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 1983
Grant dateApr 2, 1985
Priority date
Expiry dateMay 19, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K3/28
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An improved magnetic core element for use in an electrodynamic rotary machine. The core element, either a stator or rotor depending upon the design of the machine, is provided with a slot distribution such that when the rotor rotates with respect to the stator and a balanced energy field is provided therebetween, at least the lowest generated harmonics, will be substantially zero.

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