Electrical motor
US5097168A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1990 |
| Grant date | Mar 17, 1992 |
| Priority date | — |
| Expiry date | Oct 31, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2211/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor having a stator which comprises a stator iron core 6 formed by fitting an inner ring magnetic pole portion 10 into an outer ring yoke portion 5, the inner ring magnetic pole portion 10 having slots 8 and magnetic poles 7; an insulating member 11 covering the inner ring magnetic pole portion of the stator iron core; a funnel-like insulating 13 which is formed integrally with the insulating member 11 to cover an end surface 14 of the inner ring magnetic pole portion 10 and which has a first through hole 15 for rotary shaft to communicate with the central portion of the inner ring magnetic pole portion 10 spool frames 23, 24 with pins 28 formed on the magnetic poles 7 so as to be integral with the insulating member 13; a rotor 16 inserted in the inner ring magnetic pole portion; 10; a funnel-like insulating cover 18 having a second through hole 20 for rotary shaft which is in alignment with the first through hole 15, the insulating cover 18 being mounted on the other end surface 12 of the inner ring magnetic pole portion 10 and coils 32, 34 wound on the stator iron core 6 and fitted in the slots 8 in a parallel and crosswise shape, the coils 32, 34 having ends engaged with the…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.