Location History:
- Heilongjiang, CN (2012 - 2015)
- Qiqihar, CN (2018 - 2020)
Company Filing History:
5 out of 14 
1 out of 10 
1 out of 1 Years Active: 2012-2020
Title: Zhenming Liu: Innovator in Railway Technology
Introduction
Zhenming Liu is a prominent inventor based in Heilongjiang, China. He has made significant contributions to the field of railway technology, holding a total of seven patents. His innovative designs focus on improving the performance and reliability of railway freight car components.
Latest Patents
One of Liu's latest patents is for a railway freight car bogie. This bogie design includes a side frame, a bolster, and a friction damper. The friction damper features a wedge, a constant friction damping spring, a variable friction damping spring, and an ejector rod. The unique arrangement of the variable friction damping spring enhances the bogie's performance in both unloaded and loaded conditions. It provides an ideal relative friction coefficient, large diamond resistant rigidity, and improved vertical and transverse dynamics performance.
Another notable patent is for a swing bolster and swing bolster vibration reduction assembly. This design includes a body with mounting cavities for friction blocks at both ends. The friction blocks are strategically positioned to minimize wear and enhance the vibration reduction performance of the bogie. This innovation ensures the reliability of the swing bolster and improves the overall performance of the railway system.
Career Highlights
Zhenming Liu has worked with notable companies in the railway industry, including Qiqihar Railway Rolling Stock Co., Ltd. and CRRC Qiqihar Rolling Stock Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in railway technology.
Collaborations
Liu has collaborated with several professionals in his field, including Shifeng Xu and Haibin Hu. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Zhenming Liu is a key figure in railway innovation, with a focus on enhancing the performance and reliability of railway components. His patents reflect his commitment to advancing railway technology and improving transportation systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.