Company Filing History:
2 out of 14 
1 out of 3 Years Active: 2013
Title: Innovations by Inventor Hai Yao
Introduction
Hai Yao is a notable inventor based in Heilongjiang, China. He has made significant contributions to the field of railway technology, particularly in the design of bogies for freight cars. With a total of 2 patents, his work focuses on improving the efficiency and effectiveness of railway systems.
Latest Patents
Hai Yao's latest patents include innovative designs for bogies. The first patent describes a bogie that comprises a bolster, two side frames, and four constant contact dampers. This invention addresses the technical problem of maintaining constant damping spring deformation, regardless of whether a car is empty or loaded. This improvement enhances the damping effect of the bogie, leading to better performance in railway applications.
The second patent involves a freight car bogie that features a K-shaped supporting device. This device is designed to increase the anti-lozenge-distortion rigidity of the bogie and improve the bolster's strength for bearing vertical loads. The design allows for a reinforcing rib to be placed in the middle part of the bolster, further enhancing the overall structural integrity of the freight car.
Career Highlights
Throughout his career, Hai Yao has worked with prominent companies in the railway industry. He has been associated with Qiqihar Railway Rolling Stock Co., Ltd. and Dalian Qiche Railway Rolling Stock Co., Ltd. His experience in these organizations has contributed to his expertise in railway technology and innovation.
Collaborations
Hai Yao has collaborated with several professionals in his field, including Zhenming Liu and Chunlin Wang. These collaborations have likely played a role in the development of his innovative patents and advancements in railway technology.
Conclusion
Hai Yao is a distinguished inventor whose work has significantly impacted the railway industry. His innovative designs for bogies demonstrate his commitment to improving railway technology and enhancing operational efficiency. His contributions will continue to influence the field for years to come.