Patents and Patent Disclosures

  1. Methods and Apparatus for Medium-Voltage Electronic Power Conversion, A. Toliyat, and M. Moosavi, United States Patent No.: 10,998,825, May 4, 2021.
  2. Method and Apparatus for Compact Axial Field Magnetically Geared Machines, A. Toliyat, M. Johnson, and M. Gardner, United States Patent No. 10,476,349 B2, Nov. 11, 2019.
  3. Sparse and Ultra-Sparse Partial Resonant Converters, A. Toliyat, and M. Amirabadi, United States Patent No.: 9,543,853 B2, Jan. 10, 2017.
  4. System and Method for Controlling Multiphase Electric Motors, A. Toliyat, M. Hajiaghajani, V. Sundaram, N. Nzeocha, Y. Deshpande, and M.M. Rahimian, United States Patent No.: 9,543,879 B2, Jan. 10, 2017.
  5. DC Capacitors-Less Power Converters, A. Toliyat, and M. Amirabadi, United States Patent No.: 8,988,900 B2, Mar. 24, 2015.
  6. A Low-Cost Brushless DC Motor Drive with Improved Power Factor, A. Toliyat, and T. Gopalarathnam, United States Patent No.: 7,049,786 B1, May 23, 2006.
  7. Multiphase Induction Motor Drive System and Method, A. Toliyat, R. Shi, H. Xu, United States Patent No.: 6,426,605 B1, July 30, 2002.
  8. High Torque Density Electric Machine with Directly Cooled end Windings, A. Toliyat, M.C. Gardner, P.J. Shamburger, M. Benedict, J.C. Grunlan, D.S. Antao, B.P. Rasmussen, J.R. Felts, and P.N. Enjeti, PCT/US2021/032304, 5/14/2020, 5493TEES20,
  9. Methods and Apparatus for Medium-Voltage Electronic Power Conversion, A. Toliyat, and M. Moosavi, United States Patent Application No.: US 2019/0252989 A1, Aug. 15, 2019.
  10. Method and Apparatus for Compact Axial Field Magnetically Geared Machines, A. Toliyat, M. Johnson, and M. Gardner, International Application WO 2017/062654 A1, April 13, 2017.
  11. System and Method for Controlling Multiphase Electric Motors, A. Toliyat, M. Hajiaghajani, V. Sundaram, Y. Deshpande, M.M. Rahimian, and N. Nzeocha, United States Patent Application No.: 2015/0270747 A1, Sep. 24, 2015.
  12. Sparse and Ultra-Sparse Partial Resonant Converters, A. Toliyat, and M. Amirabadi, United States Patent Application No.: 2014/0286059 A1, Sep. 25, 2014
  13. System, Apparatus and Method for Driving a Permanent Magnet Motor, R. Khopkar, S.M. Madani, M. Hajiaghajani, and A. Toliyat, Unites States Patent Application No.: 2006/0267527 A1, Nov. 30, 2005.
  14. High-Frequency-Link Power Converter Topologies with Soft-switching Operation, A. Toliyat, and H. Keyhani, TAMUS 3974, January 30, 2014, Unites States Patent Application No.: 62/036, 176, Aug. 12, 2014
  15. Method and Apparatus for Integrated Multiple Stage Magnetic Gears, Multiple Stage Magnetic Gear Integrated Machine, and Related Systems, D. Knight, B. Praslicka, L. Smith, D. Zamarron, and A. Toliyat, 5883TEES22, Nov. 8, 2021.
  16. A Flux Modulator for Radial Flux Cycloidal Type Magnetic Gears, A. White, N. Palmer, B. Praslicka, and A. Toliyat, 5882TEES22, Nov. 8, 2022.
  17. Apparatus for Soft Magnetic Counterweight in Cycloidal-Type Magnetic Gear, B. Praslicka, D. Zamarron, and A. Toliyat, 5780TEES21, Apr. 8, 2021.
  18. Alternative Cycloidal Type Magnetic Gear Topologies and Methods Thereof, M.C. Johnson, M. Gardner, S. Hasanpour, B. Praslicka, and A. Toliyat, 5759TEES21, March 11, 2021.
  19. Method and Apparatus for Surface Permanent Magnet Cycloidal Type Magnetic Gear, B. Praslicka, M.C. Johnson, D. Zamarron, A. Goodarzi, E. Bauk, A. Nguyen, and A. Toliyat, 5708TEES21, March 1, 2021.
  20. Cycloidal type Radial Flux Magnetic Gear with Multiple rotor segments, A. Toliyat, B. Praslicka, M.C. Johnson, D. Zamarron, 5675TEES21, Dec. 16, 2020.
  21. Brushless Wound Field Synchronous Machines and Methods, A. Toliyat, 5464TEES20, March 2, 2020.
  22. A High Torque Density Axial Flux Machine with Directly Cooled End Windings, A. Toliyat, M.C. Gardner, P.J. Shamberger, M. Benedict, J.C. Grunlan, D.S. Antao, B.P. Rasmussen, J.R. Felts, and P.N. Enjeti, 5493TEES20, Apr. 26, 2020.
  23. A Synergistically Excited Brushless Wound Field Synchronous Machine, A. Toliyat, M.C. Gardner, D. Talebi, 5492TEES20, Apr. 6, 2020.
  24. Method for Achieving Wide Constant Power Speed Range for Motors with Multiple Modular Stators, A. Toliyat, M.C. Gardner, 5451TEES20, Feb. 18, 2020.
  25. CPW-Fed Annular Monopole Antenna for External Partial Discharge Sensing in Gas Insulated Switchgear, A. Darwish, S.S. Refaat, H. Abu-Rub, and A. Toliyat, Sep. 2019.
  26. Method and Apparatus for Retaining Magnets in a Magnetic Gear,A. Toliyat, M.C. Gardner, and M.C. Johnson, 5247TEES19, Aug. 13, 2019.
  27. Modular Axial Flux Solid Rotor Induction Machine with Printed Circuit Board, A. Toliyat, M.C. Gardner, and M.C. Johnson, 5192TEES19, April 18, 2019.
  28. A Multistage Coaxial Magnetic Gearbox Capable of Achieving Very High Gear Ratios, A. Toliyat, M. Gardner, 4761TEES17, July 3, 2017.
  29. Multiphase Motor Drives with High Acceleration Capability, A. Toliyat, and A.K. Morya, 4705TEES17, Apr. 7, 2017.
  30. Variable Gear Ratio Trans-Rotary Magnetic Gear with a Magnetic Clutch, A. Toliyat, S. Pakdelian, M. Gardner, M. Johnson, 4114 TEES15, Sep. 24, 2014.
  31. Rotary to Linear and Linear to Rotary Magnetic Transmission System, A. Toliyat, and S. Pakdelian, TAMUS 4066, Aug. 12, 2014.
  32. Damper Windings for the Magnetic Gear, A. Toliyat, and N. Frank, TAMUS 3279, Oct. 27, 2010.
  33. Condition Monitoring and Fault Diagnosis of Electric Motors and Generators Apparatus and Methods, A. Toliyat, and B. Akin, TAMUS 2495, Feb. 22, 2007.
  34. An Integrated Alternator/Active Filter for Wind Power Applications, A. Toliyat, M.T. Abolhassani, TAMUS2376, April 2006.
  35. Current Source Inverter with Simple Commutation Method and Apparatus, A. Toliyat, and S. Kwak, TAMUS 2130, April 2004.
  36. Fault Tolerant Permanent Magnet Motor Drives with High Specific Torque, A. Toliyat, L. Parsa, 2093TEES04, November 2003.
  37. A Multiphase Synchronous Reluctance Motor Drive with High Specific Torque, A. Toliyat, and R. Shi, TAMUS 1589, April 2000.
  38. A Four-quadrant Soft-switched Brushless Permanent Magnet Motor Drive and Method, A. Toliyat, J.C. Moreira, S. Waikar, and M.S. Arefeen, TAMUS 1567, March 2000.