Issued Patents All Time
Showing 101–125 of 140 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8868252 | Control architecture and method for two-dimensional optimization of input speed and input power including search windowing | Anthony H. Heap, Kee Yong Kim | 2014-10-21 |
| 8841627 | Method for imaging object using photoneutron transmission and detector arrays using the same | Yuanjing Li, Yigang Yang, Tiezhu Li, Qinjian Zhang, Hong Wang | 2014-09-23 |
| 8698335 | Low cost current source converters for power generation application | Jingya Dai, Navid R. Zargari, David Dewei Xu, Jiacheng Wang | 2014-04-15 |
| 8653931 | Multi-phase power converters and integrated choke therfor | David Dewei Xu, Ning Zhu, Yuan Xiao | 2014-02-18 |
| 8587160 | Grid fault ride-through for current source converter-based wind energy conversion systems | Jingya Dai, David Dewei Xu, Navid R. Zargari | 2013-11-19 |
| 8476859 | DC power for SGCT devices using a high frequency current loop with multiple current transformers | Angelo R. Bortolus, Zhongyuan Cheng, Jahangir Afsharian, Navid R. Zargari, Vijay Khatri | 2013-07-02 |
| 8433486 | Method and apparatus to determine a preferred operating point for an engine of a powertrain system using an iterative search | Anthony H. Heap, Wilfried Brunssen, Jason J McConnell, Kee Yong Kim, Brian R. Medema | 2013-04-30 |
| 8350397 | Current source converter-based wind energy system | Yongqiang Lang, Navid R. Zargari, Manish Pande | 2013-01-08 |
| 8285462 | Method and apparatus to determine a preferred output torque in mode and fixed gear operation with clutch torque constraints for a hybrid powertrain system | Anthony H. Heap, Tung-Ming Hsieh | 2012-10-09 |
| 8200403 | Method for controlling input torque provided to a transmission | Anthony H. Heap, Wilfried Brunssen, Brian R. Medema | 2012-06-12 |
| 8135519 | Method and apparatus to determine a preferred output torque for operating a hybrid transmission in a fixed gear operating range state | Anthony H. Heap, Tung-Ming Hsieh | 2012-03-13 |
| 8121766 | Method for operating an internal combustion engine to transmit power to a driveline | Anthony H. Heap, Wilfried Brunssen, Jason J McConnell, Kee Yong Kim, Brian R. Medema | 2012-02-21 |
| 8044631 | Power conversion systems and methods for controlling harmonic distortion | Jingya Dai, Yongqiang Lang, Dewei Xu, Navid R. Zargari | 2011-10-25 |
| 8030791 | Current source converter-based wind energy system | Yongqiang Lang, Navid R. Zargari, Manish Pande | 2011-10-04 |
| 8008836 | Piezoelectric phase shifter | Jinlong Du | 2011-08-30 |
| 7852770 | Method and apparatus for interaction among resource reservation protocol nodes | Qingsong Xiao | 2010-12-14 |
| 7514913 | Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction | Wanfeng Zhang, Yan-Fei Liu | 2009-04-07 |
| 7511976 | Self powered supply for power converter switch driver | Navid R. Zargari, Weiqian Hu | 2009-03-31 |
| 7495938 | DC voltage balance control for three-level NPC power converters with even-order harmonic elimination scheme | Steven C. Rizzo, Navid R. Zargari, Congwei Liu, Weixing Feng | 2009-02-24 |
| 7317625 | Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction | Wanfeng Zhang, Yan-Fei Liu | 2008-01-08 |
| 7310254 | AC-to-AC (frequency) converter with three switches per leg | Congwei Liu, Navid R. Zagari | 2007-12-18 |
| 7276877 | Sensorless control method and apparatus for a motor drive system | Ming Qiu, Hassan Ali Kojori | 2007-10-02 |
| 7274576 | Power converter with reduced common mode voltage | Navid R. Zargari, Steven C. Rizzo, Yuan Xiao | 2007-09-25 |
| 7132812 | Integrated DC link choke and method for suppressing common-mode voltage in a motor drive | Steven C. Rizzo, Navid R. Zagari, Yuan Xiao | 2006-11-07 |
| 6987372 | Integrated DC link choke and method for suppressing common-mode voltage in a motor drive | Steven C. Rizzo, Navid R. Zagari, Yuan Xiao | 2006-01-17 |