Controller of internal combustion engine
US8731791B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2009 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | May 8, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/134
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
When an internal combustion engine is cranked up from a stopped position of a piston in a restart-time first ignition cylinder which is scheduled to start a combustion at the time of an automatic restart of the engine under an automatic stop of the engine during an idling-stop control, a restart-time ignition time interval between a time point when the cranking of the engine is started and a time point when the restart-time first ignition cylinder is initially ignited is calculated. A drive-start timing of a starter motor is delayed according to this restart-time ignition time interval. Thereby, the cranking of the engine is carried out by the starter motor under a state where the hydraulic pressure supplied from the electric oil pump has increased. Thus, the slip in the clutch of the CVT can be suppressed when the gas mixture in the restart-time first ignition cylinder is initially ignited.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.