Changgao Xia is a prominent inventor based in Zhenjiang, China. He has made significant contributions to the field of mechanical-electrical-hydraulic transmission devices. With a total of 17 patents to his name, Xia's work focuses on enhancing the efficiency and functionality of transmission systems in engineering machinery.

Latest Patents

One of Xia's latest patents is the "Mechanical-electrical-hydraulic hybrid transmission device and control method thereof." This innovative device includes an input shaft assembly, a power-split assembly, a hydraulic transmission assembly, an electrical variable transmission assembly, a mechanical transmission assembly, a power-convergence assembly, and an output shaft. It implements three types of transmission modes, including single transmission modes, power-split composite transmission modes, and power-convergence composite transmission modes. By controlling the engagement and disengagement of clutches and a brake, the device allows for free switching between various transmission modes, improving engine power utilization and fuel economy while reducing shift impact.

Another notable patent is the "Hydro-mechanical series and parallel transmission device and control method thereof." This device comprises an input shaft assembly, a hydraulic transmission assembly, a planetary gear transmission assembly, an intermediate gear transmission assembly, and an output shaft assembly. It enables switching among hydraulic, mechanical, and hydro-mechanical composite transmission modes through the combination and engagement/disengagement of clutches and brakes. This innovation expands the speed regulation range of hydraulic transmission and meets the requirements for both low-power and high-power operations.

Career Highlights

Changgao Xia is affiliated with Jiangsu University, where he continues to advance his research and development in transmission technologies. His work has significantly impacted the engineering machinery sector, providing solutions that enhance performance and efficiency.

Collaborations

Xia collaborates with notable colleagues, including Zhen Zhu and Yingfeng Cai, contributing to a dynamic research environment that fosters innovation and development in their field.

Conclusion

Changgao Xia's contributions to mechanical-electrical-hydraulic transmission technologies exemplify his commitment to innovation and efficiency. His patents reflect a deep understanding of engineering challenges and a dedication to improving machinery performance.

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