Location History:
- Liaoning, CN (2015)
- Xi'an, CN (2018)
Company Filing History:
4 out of 522 
2 out of 2 
1 out of 5 Years Active: 2015-2025
Title: Innovations of Hua Zhang in Rocket Propulsion and Molecular Sieve Technology
Introduction
Hua Zhang is a notable inventor based in Xi'an, China, recognized for his contributions to the fields of rocket propulsion and molecular sieve technology. With a total of four patents to his name, Zhang has made significant advancements that enhance the efficiency and functionality of various systems.
Latest Patents
One of Zhang's latest patents is the "Multistage Variable Burning Rate Solid Rocket Motor and Forming Method." This invention introduces a multistage variable burning rate solid rocket motor that incorporates a multi-material composite fiber skeleton structure embedded within the propellant. This innovative design allows for multistage changes in the burning rate of the propellant, achieving the desired multistage thrust. The fiber skeleton structure is created through additive manufacturing and is fixed within the combustion chamber, simplifying the production process of existing single-chamber multi-thrust motors.
Another significant patent is the "Rapid Synthesis Method of Small-Crystal-Grain ZSM-5 Molecular Sieve." This method involves preparing a mixed silicon-aluminum glue solution, which undergoes low-temperature nucleation followed by high-temperature crystallization growth. The process is efficient, completing within six hours, and results in a small-crystal-grain ZSM-5 molecular sieve with uniform grain sizes and a high degree of crystallization.
Career Highlights
Hua Zhang has worked at prominent institutions, including Dalian University of Technology and the Research Institute of Shaanxi Yanchang Petroleum Group Co., Ltd. His work at these organizations has contributed to his expertise and the development of his innovative patents.
Collaborations
Zhang has collaborated with notable colleagues, including Wei Zhang and Xiongfu Zhang, who have contributed to his research and development efforts.
Conclusion
Hua Zhang's innovative patents in rocket propulsion and molecular sieve technology demonstrate his significant impact on these fields. His work continues to influence advancements in engineering and materials science.