Angular-position measuring device
US9404769B2 · kind B2 · utility
0Cited by
12References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 15, 2014 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Aug 4, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2361/65
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An angular-position measuring device includes a shaft rotatable relative to a body about an axis extending in a z-direction. A measuring standard having an end face is fastened on the shaft in rotatably fixed manner. The body includes a scanning device for scanning the measuring standard. Both the roller bearing and a sealing unit are provided on the side of the measuring standard facing the end face relative to the z-direction, The sealing unit includes rings that are rotatable relative to each other and are separated from each other by a gap, the gap being filled at least partially with a fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.