Issued Patents 2011
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036807 | Control strategy for transitioning among combustion modes in an internal combustion engine | Chen-Fang Chang, Allen B. Rayl, Vijay Ramappan, Peter Kafarnik | 2011-10-11 |
| 8000882 | Active combustion control based on ringing index for reducing homogenous charge compression ignition (HCCI) combustion noise | Vijay Ramappan | 2011-08-16 |
| 7975668 | Spark timing and control during transitions between spark ignited combustion and homogenous charge compression ignition | Vijay Ramappan, Allen B. Rayl, Peter Kafarnik, Matthew A. Wiles, Hanho Yun | 2011-07-12 |
| 7975672 | Method for controlling engine intake airflow | Chen-Fang Chang, Jyh-Shin Chen | 2011-07-12 |
| 7966991 | Method and apparatus for controlling combustion mode transitions in an internal combustion engine | Hanho Yun, Chen-Fang Chang | 2011-06-28 |
| 7963268 | Control strategy for transitions between homogeneous-charge compression-ignition and spark-ignition combustion modes | Chen-Fang Chang, Vijay Ramappan, Allen B. Rayl | 2011-06-21 |
| 7899601 | Methodology for extending the high load limit of HCCI operation by adjusting injection timing and spark timing | Hanho Yun, Nicole Wermuth, Paul M. Najt, Gunter Gräwert | 2011-03-01 |
| 7894976 | Light load and idle HCCI combustion control by fuel pressure modification | Hanho Yun, Nicole Wermuth, Barry L. Brown, Paul M. Najt | 2011-02-22 |