Issued Patents All Time
Showing 101–125 of 137 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 |
| 7975672 | Method for controlling engine intake airflow | Chen-Fang Chang, Jyh-Shin Chen | 2011-07-12 |
| 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 |
| 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 |
| 7845335 | Operating strategy for HCCI combustion during engine warm-up | Hanho Yun, Nicole Wermuth, Paul M. Najt | 2010-12-07 |
| 7822529 | Method and apparatus for determining a parameter for normalized instantaneous heat release in an internal combustion engine | Oguz H. Dagci, Alan Wayne Brown | 2010-10-26 |
| 7798126 | Method for controlling cylinder charge in a homogeneous charge compression ignition engine | Chen-Fang Chang, Man-Feng Chang | 2010-09-21 |
| 7783409 | Airflow estimation method and apparatus for internal combustion engine | Chen-Fang Chang, Jyh-Shin Chen, Tang-Wei Kuo | 2010-08-24 |
| 7739999 | Method and apparatus to control combustion in a multi-cylinder homogeneous charge compression-ignition engine | Jyh-Shin Chen, Chen-Fang Chang, Tang-Wei Kuo | 2010-06-22 |
| 7742868 | Method and apparatus for controlling fuel reforming under low-load operating conditions using exhaust recompression in a homogeneous charge compression ignition engine | Chen-Fang Chang, Tang-Wei Kuo | 2010-06-22 |
| 7739027 | Method and apparatus for monitoring an EGR valve in an internal combustion engine | Chen-Fang Chang, Allen B. Rayl, Vijay Ramappan | 2010-06-15 |
| 7729844 | HCCI combustion moding state control for fuel economy and seamless transitions | Allen B. Rayl, Chen-Fang Chang, Peter Kafarnik, Vijay Ramappan | 2010-06-01 |
| 7689344 | Method and apparatus for controlling transitions in an engine having multi-step valve lift | Chen-Fang Chang, Jyh-Shin Chen, Man-Feng Chang | 2010-03-30 |
| 7689343 | Method and apparatus for enabling control of fuel injection for an engine operating in an auto-ignition mode | Oguz H. Dagci | 2010-03-30 |
| 7540270 | Method and apparatus for controlling combustion mode transitions in an internal combustion engine | Chen-Fang Chang, Jyh-Shin Chen, Man-Feng Chang | 2009-06-02 |
| 7506535 | Method and apparatus for determining a combustion parameter for an internal combustion engine | — | 2009-03-24 |
| 7480558 | Method and apparatus for controlling a homogeneous charge compression ignition engine | Chen-Fang Chang, Man-Feng Chang, Nicole Wermuth | 2009-01-20 |
| 7409285 | Homogeneous charge compression ignition engine operation | Chen-Fang Chang, Man-Feng Chang, Tang-Wei Kuo, Paul M. Najt | 2008-08-05 |
| 7370633 | Load transient control methods for direct-injection engines with controlled auto-ignition combustion | Chen-Fang Chang, Zongxuan Sun, Tang-Wei Kuo, James A. Eng, Barry L. Brown +2 more | 2008-05-13 |
| 7370616 | Method for transition between controlled auto-ignition and spark ignition modes in direct fuel injection engines | Tang-Wei Kuo, Zongxuan Sun, James A. Eng, Chen-Fang Chang, Barry L. Brown +2 more | 2008-05-13 |
| 7367313 | Speed transient control methods for direct-injection engines with controlled auto-ignition combustion | Chen-Fang Chang, Zongxuan Sun, Tang-Wei Kuo, James A. Eng, Barry L. Brown +2 more | 2008-05-06 |