Issued Patents All Time
Showing 151–175 of 182 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5777459 | Induction electrical power generating system with variable numbers of poles and excitation frequency | Madan L. Bansal, Pierre Thollot | 1998-07-07 |
| 5747971 | Position and velocity sensorless control for a motor generator system operated as a motor using exciter impedance | Albert L. Markunas, Michael J. Hanson, Leland E. Weber | 1998-05-05 |
| 5594322 | Starter/generator system with variable-frequency exciter control | Albert L. Markunas, Paul E. Nuechterlein | 1997-01-14 |
| 5587641 | VSCF start system with precise voltage control | — | 1996-12-24 |
| 5581168 | Starter/generator system with DC link current control | Albert L. Markunas, Alexander Cook, Vietson M. Nguyen | 1996-12-03 |
| 5541488 | Method and apparatus for controlling induction motors | Madan L. Bansal, William S. Heglund, Shan-Chin Tsai, Mario R. Rinaldi | 1996-07-30 |
| 5495162 | Position-and-velocity sensorless control for starter generator electrical system using generator back-EMF voltage | Albert L. Markunas, Michael J. Hanson, Leland E. Weber | 1996-02-27 |
| 5495163 | Control for a brushless generator operable in generating and starting modes | Albert L. Markunas, Michael J. Hanson | 1996-02-27 |
| 5493200 | Control for a brushless generator | Albert L. Markunas, James A. Shippling | 1996-02-20 |
| 5488286 | Method and apparatus for starting a synchronous machine | Albert L. Markunas, Michael J. Hanson, Leland E. Weber | 1996-01-30 |
| 5461293 | Rotor position detector | Albert L. Markunas, Leland E. Weber | 1995-10-24 |
| 5444349 | Starting control for an electromagnetic machine | Michael J. Hanson, Albert L. Markunas | 1995-08-22 |
| 5438502 | VSCF system with voltage estimation | John Risley | 1995-08-01 |
| 5430362 | Engine starting system utilizing multiple controlled acceleration rates | Kenneth R. Carr, Albert L. Markunas, Michael J. Hanson, Leland E. Weber, James A. Shippling +6 more | 1995-07-04 |
| 5384527 | Rotor position detector with back EMF voltage estimation | Vijay K. Maddali, Albert L. Markunas | 1995-01-24 |
| 5363032 | Sensorless start of synchronous machine | Michael J. Hanson | 1994-11-08 |
| 5245500 | 270 Volt DC system with transient suppressor | — | 1993-09-14 |
| 5233286 | Hybrid 270 volt DC system | Paul E. Nuechterlein, Albert L. Markunas, Madan L. Bansal | 1993-08-03 |
| 5218520 | VSCF system with reduced DC link ripple | Alexander Cook | 1993-06-08 |
| 5132894 | Electric power generating system with active damping | Alexander Cook, Albert L. Markunas, Madan L. Bansal, Shan-Chin Tsai | 1992-07-21 |
| 5055765 | Voltage regulator for direct current aircraft power bus | William R. Owens | 1991-10-08 |
| 5055764 | Low voltage aircraft engine starting system | Timothy F. Glennon, Alexander Cook | 1991-10-08 |
| 5047699 | VSCF start system motor current estimator | Vijay K. Maddali | 1991-09-10 |
| 5036267 | Aircraft turbine start from a low voltage battery | Albert L. Markunas | 1991-07-30 |
| 5029263 | Electric start control of a VSCF system | — | 1991-07-02 |