Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11339759 | Engine torque estimation and control systems and methods | Tameem K. Assaf, Kristopher Jason Healey, Shanshan L. Peer | 2022-05-24 |
| 9759140 | Fifty percent burn crankshaft angle estimation systems and methods | Gary Robert Cygan, Jr., Jason R. Bartak, Ronald J. Herrin | 2017-09-12 |
| 9759177 | System and method for controlling spark timing based on a duration of a fuel burn within a cylinder in an engine | Gary Robert Cygan, Jr., Ronald J. Herrin, Jason R. Bartak | 2017-09-12 |
| 9546611 | M index determination systems and methods for Wiebe functions | Xu Han | 2017-01-17 |
| 8555857 | Method and apparatus for controlling spark timing in an internal combustion engine | Xiaofeng Yang, Wenbo Wang, Tang-Wei Kuo, Jeffrey M. Kaiser | 2013-10-15 |
| 8538659 | Method and apparatus for operating an engine using an equivalence ratio compensation factor | Wenbo Wang, Layne K. Wiggins, Jeffrey M. Kaiser | 2013-09-17 |
| 7921704 | Virtual flex fuel sensor for spark ignition engines using ionization signal | Guoming G. Zhu, William C. Mammen, Jr., Mengyang Zhang | 2011-04-12 |
| 7290442 | Method and system of estimating MBT timing using in-cylinder ionization signal | Guoming G. Zhu, Kevin D. Moran | 2007-11-06 |
| 7213573 | System and method of controlling engine dilution rate using combustion stability measurer derived from the ionization signal | Ibrahim Haskara, Guoming G. Zhu | 2007-05-08 |
| 7137382 | Optimal wide open throttle air/fuel ratio control | Guoming G. Zhu | 2006-11-21 |
| 7134423 | Ignition diagnosis and combustion feedback control system using an ionization signal | Guoming G. Zhu | 2006-11-14 |
| 7104043 | Closed loop cold start retard spark control using ionization feedback | Guoming G. Zhu | 2006-09-12 |
| 7086382 | Robust multi-criteria MBT timing estimation using ionization signal | Guoming G. Zhu | 2006-08-08 |
| 7055372 | Method of detecting cylinder ID using in-cylinder ionization for spark detection following partial coil charging | Guoming G. Zhu, Mathew Breton, Michael T. Nation | 2006-06-06 |
| 7021287 | Closed-loop individual cylinder A/F ratio balancing | Guoming G. Zhu | 2006-04-04 |
| 7013871 | Closed loop MBT timing control using ionization feedback | Guoming G. Zhu | 2006-03-21 |
| 6998846 | Ignition diagnosis using ionization signal | Guoming G. Zhu, Bruce Wang, Kenneth Gould | 2006-02-14 |
| 6980903 | Exhaust gas control using a spark plug ionization signal | Guoming G. Zhu | 2005-12-27 |
| 6922628 | IC engine diagnostic system using the peak and integration ionization current signals | Guoming G. Zhu | 2005-07-26 |
| 6609497 | Method for determining MBT timing in an internal combustion engine | — | 2003-08-26 |
| 6089077 | Mass fraction burned and pressure estimation through spark plug ion sensing | — | 2000-07-18 |