Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8428809 | Multi-step valve lift failure mode detection | Alexander J. Roberts, Donovan L. Dibble | 2013-04-23 |
| 8375922 | Control of fuel pump by quantifying performance | Byungho Lee, Donovan L. Dibble, Joseph R. Dulzo, Scot A. Douglas | 2013-02-19 |
| 8380423 | Diagnostic system and method for hydraulically-actuated cam phasers | Joshua D. Cowgill, Donovan L. Dibble | 2013-02-19 |
| 8336511 | Method and system for controlling a cam phaser | Donovan L. Dibble, Gregory J. York, Joshua D. Cowgill, Joseph R. Dulzo | 2012-12-25 |
| 8281768 | Method and apparatus for controlling fuel rail pressure using fuel pressure sensor error | Donovan L. Dibble, Byungho Lee, Scot A. Douglas, Joseph R. Dulzo | 2012-10-09 |
| 8181508 | Diagnostic systems and methods for a two-step valve lift mechanism | Donovan L. Dibble, Joshua D. Cowgill, Scot A. Douglas | 2012-05-22 |
| 8086388 | Camshaft phasor synchronization system for an engine | Donovan L. Dibble, Alexander J. Roberts, Vijay Ramappan | 2011-12-27 |
| 8056516 | Variable valve lift transition control methods and systems | Donovan L. Dibble, Alexander J. Roberts, Vimesh M. Patel | 2011-11-15 |
| 8047065 | Diagnostic system for valve actuation camshaft driven component compensation | Craig D. Marriott, Andrew P. Bagnasco, Ronald J. Pierik | 2011-11-01 |
| 8019526 | Adapter phasor control hold duty cycle system for an engine | Ljubisa M. Mladenovic, Jerry W. Kortge, Gregory J. York | 2011-09-13 |
| 7984644 | Camshaft position measurement and diagnosis | Andrew P. Bagnasco | 2011-07-26 |
| 7980120 | Fuel injector diagnostic system and method for direct injection engine | Byungho Lee, Donovan L. Dibble, Michael J. Lucido, Mark D. Carr | 2011-07-19 |
| 7950371 | Fuel pump control system and method | Byungho Lee | 2011-05-31 |
| 7938101 | Adaptive control of fuel delivery in direct injection engines | Donovan L. Dibble, Scot A. Douglas, Joseph R. Dulzo, Byungho Lee | 2011-05-10 |
| 7921710 | Two-step oil control valve diagnostic systems | Donovan L. Dibble, Joshua D. Cowgill | 2011-04-12 |
| 7921701 | Diagnostic systems and methods for variable lift mechanisms of engine systems having a camshaft driven fuel pump | Donovan L. Dibble | 2011-04-12 |
| 7908913 | Solenoid diagnostic systems for cylinder deactivation control | Joseph R. Dulzo | 2011-03-22 |
| 7873461 | Fuel temperature estimation in a spark ignited direct injection engine | Mike M. McDonald | 2011-01-18 |
| 7827968 | Direct injected fuel pump diagnostic systems and methods | Donovan L. Dibble | 2010-11-09 |
| 7806106 | Fuel injector flow correction system for direct injection engines | Donovan L. Dibble, Scot A. Douglas, Joseph R. Dulzo, Byungho Lee | 2010-10-05 |
| 7783413 | Two-step oil control valve failure diagnostic | Donovan L. Dibble | 2010-08-24 |
| 7742869 | Late intake valve closing to improve cold startability for spark-ignition direct-injection (SIDI) engines | Vijay Ramappan, Jesse M. Gwidt, Stuart R. Smith, Michael J. Lucido, Scot A. Douglas | 2010-06-22 |
| 7712441 | Predicted engine oil pressure | Byungho Lee, Liyun Zheng | 2010-05-11 |
| 7698935 | Diagnostic system for valve actuation mechanism | Donovan L. Dibble, Matthew A. Wiles, Vimesh M. Patel | 2010-04-20 |
| 7584044 | Camshaft phaser position control system | Ljubisa M. Mladenovic | 2009-09-01 |