Apparatus and method for controlling engine
US9903281B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2016 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Sep 14, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Methods and devices are provided for controlling an engine provided with a continuously variable valve timing (CVVT) device disposed on an intake valve side, and with a continuous variable valve duration (CVVD) device and a continuously variable valve timing (CVVT) disposed on an exhaust valve side according to an exemplary form of the present disclosure. A method may include classifying a plurality of control regions depending on an engine speed and an engine load, and based upon which of the plurality of control regions is a control region of the engine, controlling opening and closing timing of the intake valve, controlling opening and closing timing of the exhaust valve, and controlling open duration of the exhaust valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.