Hunan, China

Donghao Liu

This inventor holds 2 USPTO granted patents. Top assignee: Hunan University of Science and Technology. Active years: 2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donghao Liu. Retrieved from https://idiyas.com/inventor/donghao-liu

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1


Location History:

  • Hunan, CN (2023)
  • Xiangtan, CN (2023)

Company Filing History:


Years Active: 2023

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2 patents (USPTO):Explore Patents

Title: Innovations of Donghao Liu in AC Traction Motor Technology.

Introduction

Donghao Liu is a prominent inventor based in Hunan, China. He has made significant contributions to the field of electrical engineering, particularly in the optimization of AC traction motors. With a total of 2 patents, Liu's work focuses on reducing electromagnetic noise and enhancing the performance of these motors.

Latest Patents

Liu's latest patents include an "Optimization design method for noise reduction of AC traction motor." This invention addresses the issue of large electromagnetic noise in AC traction motors. By incorporating open square notches at symmetrical positions on both sides of the stator teeth, Liu effectively reduces electromagnetic noise without compromising other performance indicators of the motor. Additionally, he has developed a method to determine the optimal notch size or slotting position for motors of varying power grades, achieving significant noise reduction.

Another notable patent is the "Denoising optimization method for AC traction motor by chamfering stator tooth shoulder with inscribed arc." This method involves chamfering the stator tooth shoulder to optimize the motor's performance. By using a particle swarm optimization algorithm, Liu determines the optimal values for chamfering size and oblique height of the stator tooth pole shoe, enhancing the overall efficiency of the motor.

Career Highlights

Donghao Liu is affiliated with Hunan University of Science and Technology, where he continues to innovate and contribute to research in electrical engineering. His work has garnered attention for its practical applications in improving motor technology.

Collaborations

Liu collaborates with esteemed colleagues such as Xiaoping Zhang and Bo Fu, who contribute to his research endeavors and help advance the field of AC traction motors.

Conclusion

Donghao Liu's innovative patents and research efforts significantly impact the development of AC traction motors, showcasing his expertise and dedication to enhancing motor technology. His contributions are vital for the future of electrical engineering.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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