Valvetrain control systems for internal combustion engines with time and event based control

• Main Author: Rayl, Allen B
• Format: Patent
• Language: English
• Published: 03.11.2009

A valve control system includes a vehicle control module that generates a lift mode command signal to transition one of intake and exhaust valves between N open lift modes. A time module generates a response time signal that indicates a duration of the transition and a lift limit signal that disable...