Automotive igniton module diagnostic
US5719330A · kind A · utility
7Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1995 |
| Grant date | Feb 17, 1998 |
| Priority date | — |
| Expiry date | Nov 17, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M15/11
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Ignition modules for directly applying spark plug drive signals to spark plug pairs disposed in engine cylinders are diagnosed by issuing drive signals to the ignition modules and then monitoring the corresponding engine cylinders for misfire condition patterns. Consistent misfire activity in each cylinder controlled by an individual ignition module is interpreted as a fault condition in the ignition module or in its peripheral circuitry, facilitating fault condition identification and treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.