Motor
US5811903A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1996 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Sep 26, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2057/0213
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A motor comprises a motor rotation shaft, a first thrust bearing which supports one end of the motor rotation shaft and a second thrust bearing which supports the other end of the motor rotation shaft to control positioning in a thrust direction of the motor rotation shaft. The first thrust bearing further comprises a bearing for supporting one end of the motor rotation shaft and is movable in a shaft direction of the motor rotation shaft, a guide member for guiding the movement of the bearing in the shaft direction and a plurality of pre-loaded elements for opposing the force generated by the bearing in the shaft direction. The pre-loaded elements are evenly spaced around the motor shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.