Patents and Patent Disclosures

Patents

  1. Method and System for Brushless Wound Field Synchronous Machines, H.A. Toliyat, M.C. Gardner, and D. Talebi, United States Patent No.: 11,476,786 B2, Oct. 18, 2022.
  2. Methods and Apparatus for Medium-Voltage Electronic Power Conversion, H.A. Toliyat, and M. Moosavi, United States Patent No.: 10,998,825, May 4, 2021.
  3. Method and Apparatus for Compact Axial Field Magnetically Geared Machines, H.A. Toliyat, M. Johnson, and M. Gardner, United States Patent No. 10,476,349 B2, Nov. 11, 2019.
  4. Sparse and Ultra-Sparse Partial Resonant Converters, H.A. Toliyat, and M. Amirabadi, United States Patent No.: 9,543,853 B2, Jan. 10, 2017.
  5. System and Method for Controlling Multiphase Electric Motors, H.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.
  6. DC Capacitors-Less Power Converters, H.A. Toliyat, and M. Amirabadi, United States Patent No.: 8,988,900 B2, Mar. 24, 2015.
  7. Unipolar Drive Topology for Permanent Magnet Brushless DC Motors and Switched Reluctance Motors, H.A. Toliyat, and T. Gopalarathnam, United States Patent No.: 7,049,786 B1, May 23, 2006.
  8. Multiphase Induction Motor Drive System and Method, H.A. Toliyat, R. Shi, H. Xu, United States Patent No.: 6,426,605 B1, July 30, 2002.

Patent Applications:

  1. Magnetic Gear Systems, Methods, and Apparatuses, H.A. Toliyat, B. Praslicka, D. Zamarron, M.C Gardner, M.C. Johnson, A. Goodarzi, E. Bauk, A. Nguyen, S. Hasanpour, G.Y. Duan, and S. Khan, United States Patent Application: 2024/0297563 A1, Sep. 5, 2024.
  2. Self-Excited Synchronous Machine with Compensated Wound Field Windings, H.A. Toliyat, M. Seyedi, and D. Talebi, United States Patent Application 2023/0369929 A1, Nov. 16, 2023.
  3. High Torque Density Electric Machine with Directly Cooled End Windings, H.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, United States Patent Application 2023/0179066 A1, June 8, 2023.
  4. Dual-Rotor Axial Flux Magnetic Gear and Related Apparatus and Systems, H.A. Toliyat, B. Praslicka, S. Sheshaprasad, F. Saemi, M.C. Gardner, and C. Johnson, United States Patent Application No.: 2023/0327533 A1, Oct. 12, 2023.
  5. An Antenna Device and a Detecting Device Having the Same, A. Darwish, S.S. Khalil, H. Abu-Rub, and H.A. Toliyat, PCT/QA2020/050014, 3/30/2021, United States Patent Application No.: 2022/0393366 A1, Dec 8, 2022.
  6. Method and System for Brushless Wound Field Synchronous Machines, H.A. Toliyat, M.C. Gardner, D. Talebi, United States Patent Application No. 2021/0336574 A1, Oct. 28, 2021.
  7. Methods and Apparatus for Medium-Voltage Electronic Power Conversion, H.A. Toliyat, and M. Moosavi, United States Patent Application No.: US 2019/0252989 A1, Aug. 15, 2019.
  8. Method and Apparatus for Compact Axial Field Magnetically Geared Machines, H.A. Toliyat, M. Johnson, and M. Gardner, International Application WO 2017/062654 A1, April 13, 2017.
  9. System and Method for Controlling Multiphase Electric Motors, H.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.
  10. System and Method for Controlling Multiphase Electric Motors, H.A. Toliyat, M. Hajiaghajani, V. Sundaram, N. Nzeocha, Y. Deshpande, and M.M. Rahimian, United States Patent Application No.: 2015/0270799 A1, Sep. 24, 2015.
  11. Sparse and Ultra-Sparse Partial Resonant Converters, H.A. Toliyat, and M. Amirabadi, United States Patent Application No.: 2014/0286059 A1, Sep. 25, 2014
  12. DC Capacitor-less Power Converters, H.A. Toliyat, and M. Amirabadi, United States Patent Application No.: 2012/0307531 A1, Dec. 6, 2012.
  13. System, Apparatus and Method for Driving a Permanent Magnet Motor, R. Khopkar, S.M. Madani, M. Hajiaghajani, and H.A. Toliyat, Unites States Patent Application No.: 2006/0267527 A1, Nov. 30, 2005.

Provisional Patent Application Filed:

  1. Misalignment Resistant Multi-phase Wireless Power Transfer Coil and Methods, H.A. Toliyat, and Y. Chen, United States Provisional Patent Application No.: 63/557,951, Feb. 26, 2024.
  2. Method to Reduce the DC Link Capacitance and Improve the Reliability of Converters, P. Enjeti, H.A. Toliyat, and M. Gardner, United States Provisional Patent Application No.: 63/618,197, Jan. 5, 2024.
  3. Magnetic Gear Systems, Methods, and Apparatuses, H.A. Toliyat, B. Praslicka, M.C. Johnson, D. Zamarron, S. Hasanpour, and M. Gardner, United States Patent Application No.: 18/273,941, Jul. 24, 2023.
  4. Cycloidal Radial Flux Magnetic Gear with Balanced Magnetic Moments, H.A. Toliyat, B. Praslicka, M.C. Johnson, D. Zamarron, M. Gardner, United States Patent Application No. 63/141,130, Jan. 25, 2021.
  5. High-Frequency-Link Power Converter Topologies with Soft-switching Operation, H.A. Toliyat, and H. Keyhani, TAMUS 3974, January 30, 2014, Unites States Provisional Patent Application No.: 62/036, 176, Aug. 12, 2014

Patent Disclosures to TAMUS

  1. PCB Rotor Brushless Magnet-Free Wound Field Synchronous Machine, H.A. Toliyat, D. Talebi, and S.M. Seyedi, 6664TEES25.
  2. Method and Apparatus for Cost-Effective Fabrication of Electric Machine Coils, H.A. Toliyat, D. Talebi, S.M. Seyedi, M.C. Gardner, P. Knauer, and S. Haase, 6506TEES24.
  3. Electric Machines Manufacturing Imperfections and Methods to Compensate, H.A. Toliyat, D. Talebi, S.M. Seyedi, M.C. Gardner, 6505TEES24, Apr. 19, 2024.
  4. Rotary Electric Machines Apparatus and Post-Assembly Fault Tolerance Methods for Enhanced Performance, H.A. Toliyat, D. Talebi, M. Seyedi, 6486TEES24, Mar. 11, 2024.
  5. A Misalignment Resistant Multi-Phase Wireless Power Transfer Coil and Methods, H.A. Toliyat, and Y. Chen,
  6. Integrated Magnetically Geared Machine and Trans-rotary Magnetic Gear and Related Apparatus and Systems, S. Sheshaprasad, G. Tao, and H.A. Toliyat, 6376TEES24, Sep. 20, 2023.
  7. Method of Magnet Arrangement for Magnetic Gears and Related Systems, T. Stefanelli, A. White, N. Palmer, B. Praslicka, and H.A. Toliyat, 6056TEES22, April 27, 2022.
  8. Method and Apparatus for Axial Flux Magnetic Gear, D. Knight, B. Praslicka, and H.A. Toliyat, 6053TEES22, April 20, 2022.
  9. Self-Excited Synchronous Machine with Compensated Wound Field Windings, H.A. Toliyat, M. Seyedi, and D. Talebi, 5987TEES22, Jan. 18, 2022.
  10. 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 H.A. Toliyat, 5883TEES22, Nov. 8, 2021.
  11. Self-Excited Synchronous Machine with Compensated Wound Field Windings, H.A. Toliyat, M. Seyedi, and D. Talebi, 5987TEES22, Jan. 18, 2022.
  12. 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 H.A. Toliyat, 5883TEES22, Nov. 8, 2021.
  13. A Flux Modulator for Radial Flux Cycloidal Type Magnetic Gears, A. White, N. Palmer, B. Praslicka, and H.A. Toliyat, 5882TEES22, Nov. 8, 2021.
  14. Apparatus for Soft Magnetic Counterweight in Cycloidal-Type Magnetic Gear, B. Praslicka, D. Zamarron, and A. Toliyat, 5780TEES21, Apr. 8, 2021.
  15. Alternative Cycloidal Type Magnetic Gear Topologies and Methods Thereof, M.C. Johnson, M. Gardner, S. Hasanpour, B. Praslicka, and H.A. Toliyat, 5759TEES21, March 11, 2021.
  16. 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 H.A. Toliyat, 5708TEES21, March 1, 2021.
  17. Cycloidal type Radial Flux Magnetic Gear with Multiple rotor segments, H.A. Toliyat, B. Praslicka, M.C. Johnson, D. Zamarron, 5675TEES21, Dec. 16, 2020.
  18. A Synergistically Excited Brushless Wound Field Synchronous Machine, H.A. Toliyat, M.C. Gardner, D. Talebi, 5492TEES20, Apr. 6, 2020.
  19. Brushless Wound Field Synchronous Machines and Methods, H.A. Toliyat, 5464TEES20, March 2, 2020.
  20. A High Torque Density Axial Flux Machine with Directly Cooled End Windings, H.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.
  21. Method for Achieving Wide Constant Power Speed Range for Motors with Multiple Modular Stators, H.A. Toliyat, M.C. Gardner, 5451TEES20, Feb. 18, 2020.
  22. CPW-Fed Annular Monopole Antenna for External Partial Discharge Sensing in Gas Insulated Switchgear, A. Darwish, S.S. Refaat, H. Abu-Rub, and H.A. Toliyat, Sep. 2019.
  23. Method and Apparatus for Retaining Magnets in a Magnetic Gear,H.A. Toliyat, M.C. Gardner, and M.C. Johnson, 5247TEES19, Aug. 13, 2019.
  24. Modular Axial Flux Solid Rotor Induction Machine with Printed Circuit Board, H.A. Toliyat, M.C. Gardner, and M.C. Johnson, 5192TEES19, April 18, 2019.
  25. A Multistage Coaxial Magnetic Gearbox Capable of Achieving Very High Gear Ratios, H.A. Toliyat, M. Gardner, 4761TEES17, July 3, 2017.
  26. Multiphase Motor Drives with High Acceleration Capability, H.A. Toliyat, and A.K. Morya, 4705TEES17, Apr. 7, 2017.
  27. Variable Gear Ratio Trans-Rotary Magnetic Gear with a Magnetic Clutch, H.A. Toliyat, S. Pakdelian, M. Gardner, M. Johnson, 4114 TEES15, Sep. 24, 2014.
  28. Rotary to Linear and Linear to Rotary Magnetic Transmission System, H.A. Toliyat, and S. Pakdelian, TAMUS 4066, Aug. 12, 2014.
  29. Damper Windings for the Magnetic Gear, H.A. Toliyat, and N. Frank, TAMUS 3279, Oct. 27, 2010.
  30. Condition Monitoring and Fault Diagnosis of Electric Motors and Generators Apparatus and Methods, H.A. Toliyat, and B. Akin, TAMUS 2495, Feb. 22, 2007.
  31. An Integrated Alternator/Active Filter for Wind Power Applications, H.A. Toliyat, M.T. Abolhassani, TAMUS2376, April 2006.
  32. Current Source Inverter with Simple Commutation Method and Apparatus, H.A. Toliyat, and S. Kwak, TAMUS 2130, April 2004.
  33. Fault Tolerant Permanent Magnet Motor Drives with High Specific Torque, H.A. Toliyat, L. Parsa, 2093TEES04, November 2003.
  34. A Multiphase Synchronous Reluctance Motor Drive with High Specific Torque, H.A. Toliyat, and R. Shi, TAMUS 1589, April 2000.
  35. A Four-quadrant Soft-switched Brushless Permanent Magnet Motor Drive and Method, H.A. Toliyat, J.C. Moreira, S. Waikar, and M.S. Arefeen, TAMUS 1567, March 2000.