Oil condition determination system, oil condition determination method, and oil condition determination program
US11802863B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jan 30, 2019 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Apr 2, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/60
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An oil condition determination system includes a resistance value measurement unit and a determination unit. The resistance value measurement unit applies a measurement voltage between a pair of measurement electrodes in contact with oil to measure a resistance value of the oil. The determination unit determines, when a change tendency of the resistance value of the oil is reversed, that condition of the oil is changed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.