Oil condition sensing methods and systems
US8127597B2 · kind B2 · utility
5Cited by
14References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2008 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | May 20, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2011/0066
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An engine oil system comprises an oil condition sensing device and a control module. The oil condition sensing device includes an electrically actuated member and is in fluid communication with an engine oil reservoir. The control module selectively causes current to be supplied to the oil condition sensing device to actuate the member, measures the current, determines a parameter of the current, and selectively identifies at least two of an oil level, an oil change event, and an oil viscosity level based on the parameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.