Squirrel-cage rotor
US4121926A · kind A · utility
5Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1976 |
| Grant date | Oct 24, 1978 |
| Priority date | — |
| Expiry date | Nov 4, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K17/168
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotor conductor of a squirrel-cage induction motor is made of an aluminum-base alloy consisting essentially of 0.3 to 4% by weight of manganese, 0.15 to 0.9% by weight of chromium, 0.05 to 0.6% by weight of titanium, 0.01 to 0.12% by weight of boron, not more than 0.3% by weight of iron and not more than 0.3% by weight of silicon, the balance being aluminum, said squirrel-cage rotor generating a large starting torque.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.