Method for low-speed operation of brushless DC motors
US6473562B1 · kind B1 · utility
11Cited by
11References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 25, 2000 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Aug 25, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P6/21
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method to operate an electronically commutated DC motor driving a centrifugal pump and comprising a stator fitted with at least one winding and a rotor fitted with permanent magnets, said method including a monitored stepping operation within which one full revolution of the rotor is constituted by a sequence of distinct individual steps, the rotor being accelerated by applying a stator field and being decelerated to a stop before the stator field is commutated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.