Single-phase induction motor safety controller
US5670858A · kind A · utility
43Cited by
25References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 7, 1996 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Oct 7, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/08
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electronic control apparatus to operate an alternating current induction motor protecting same from power line blackouts, brownouts and providing self-adjusting, linearized, non-stepped reduced voltage output coinciding to work load to enhance efficiency, thereby reducing electrical energy used by the motor. This apparatus can be utilized in conjunction with a refrigerator, air conditioner or almost any home appliance to yield a substantial savings in electrical use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.