Company Filing History:
2 out of 832,912 Years Active: 2014-2017
Title: Hanzhou Liu: Innovator in High Efficiency Permanent Magnet Machines
Introduction
Hanzhou Liu is an accomplished inventor based in Oviedo, FL (US). He has made significant contributions to the field of electrical engineering, particularly in the development of high efficiency permanent magnet machines. With a total of 2 patents to his name, Liu's work is characterized by innovative designs that enhance performance and efficiency.
Latest Patents
Liu's latest invention is a high efficiency permanent magnet machine that is capable of maintaining high power density. This machine operates over a wide range of power output, showcasing improved efficiency due to the use of copper wires with a current density lower than traditional designs. Additionally, larger permanent magnets coupled with a large air gap contribute to its effectiveness. In one embodiment, wide stator teeth are utilized to significantly reduce magnetic saturation, resulting in lower current consumption. The design also features a smaller torque angle compared to traditional machines at rated load, which enhances overload handling capability and overall efficiency. Furthermore, when employed as a motor, the machine incorporates an adaptive phase lag compensation scheme that aids the sensorless field-oriented control (FOC) scheme in achieving more accurate performance.
Career Highlights
Throughout his career, Hanzhou Liu has focused on advancing technologies that improve energy efficiency and performance in electrical machines. His innovative approach has led to the development of solutions that address common challenges in the industry.
Collaborations
Liu has collaborated with notable colleagues such as Xinzhang Wu and Yang Hu. Their combined expertise has contributed to the successful development of advanced technologies in their field.
Conclusion
Hanzhou Liu is a prominent inventor whose work in high efficiency permanent magnet machines exemplifies innovation in electrical engineering. His contributions continue to influence the industry and pave the way for future advancements.