Brushless DC motor with tray coupling structure
US7019423B1 · kind B1 · utility
10Cited by
10References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2005 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Feb 10, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K15/165
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A brushless DC motor includes a fixed portion and a rotor. The rotor includes a shaft and a top engaging face. The shaft is rotatably held by the fixed portion. The top engaging face is located on a top side of the rotor. The rotor further includes at least one protruded engaging portion on the top engaging face. A carrier such as a tray or the like is fixedly coupled with the at least one protruded engaging portion. A compartment is defined in the rotor by the at least one protruded engaging portion. A filling material may be filled into the compartment for adjusting rotational balance of the rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.