Automatic equalizer
US6492750B2 · kind B2 · utility
6Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2001 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | Feb 2, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2111
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cylindrical case provided with a chamber is coaxially attached to a rotary shaft of a motor. A plurality of balancers are movably provided within the chamber so as to cancel a rotation eccentricity of the motor. A viscous member such as high viscosity fluid is provided on at least one of the surfaces of the balancers and an inner face of the chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.