Oil state detection device, work machine, management system, and oil state detection method
US10996164B2 · kind B2 · utility
0Cited by
12References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2018 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | May 5, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/062
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An oil state detection device includes an index member, a lighting device that illuminates the index member, and a photographing device that photographs the index member through oil in a machine device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.