Patent · US Expired

Rotor for an electric motor

US5121020A · kind A · utility

8Cited by
1References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 1989
Grant dateJun 9, 1992
Priority date
Expiry dateMar 1, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K1/2726
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a rotor (10) for an electric motor, in particular for a multi-phase or single-phase electric motor, comprising a permanent-magnetic ceramic rotor cylinder (1) made of an imperforate solid material and provided with moulded-on plastic elements (5) on at least the cylinder end faces (3), which elements carry axially projecting shaft portions (6) for rotatably journalling the rotor (10), the cylinder end faces (3) being formed with recesses and the moulded-on plastic elements (5) engaging in the recesses (4).

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