Patent · US Expired

Rotor of rotating equipment

US5903079A · kind A · utility

3Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 18, 1997
Grant dateMay 11, 1999
Priority date
Expiry dateDec 18, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K1/28
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A rotor core is provided with a pole piece portion holding a magnet and a balance weight portion, wherein said hub fitting hole is inserted a metal hub having a tapered axis hole and part fitting portion so as to be fixed each other, and said rotor core is coated with synthetic resins, thereby the use of metal can be limited only to parts where mechanical strength is required so that the whole rotor weight can be reduced and can be assembled easily, and be allow various parts can be fitted stably, and the degradation of magnetic properties of the magnet can be prevented.

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