Electronic unit for detecting the charging condition and/or the wear of a motor vehicle battery using the engine rotational speed and battery voltage
US6696842B2 · kind B2 · utility
5Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 25, 2002 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Jul 25, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/3835
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to an electronic unit for identifying the charged state and/or the wear and tear of a motor vehicle battery. Said unit comprises elements for detecting the battery voltage and in addition, elements for detecting the speed of the internal combustion engine. The unit also has elements for evaluating the battery voltage according to the internal combustion engine speed during the starting operation, in relation to the charged state and/or the wear and tear of the motor vehicle battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.