This inventor holds 7 USPTO granted patents and 2 EPO patents. Top assignees: Crrc Zhuzhou Institute Co., Ltd., Crrc Zhuzhou Electric Locomotive Research Institute Co., Ltd., Csr Zhuzhou Electric Locomotive Research Institute Co., Ltd.. Active years: 2017-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 6 
2 out of 8 
2 out of 2 Years Active: 2017-2020
Title: Innovations by Junfeng Xu in Train Technology
Introduction
Junfeng Xu is a notable inventor based in Hunan, China, recognized for his contributions to train technology. He holds a total of seven patents, showcasing his expertise in developing innovative solutions for braking and traction systems in trains.
Latest Patents
One of his latest patents is the "Braking force distribution method and system of multiple train units." This invention provides a method for distributing braking forces among multiple marshalling train compartments. It involves determining the current train compartment, calculating the current axle loads, and distributing braking forces in a positive correlation manner based on these loads. The system utilizes axle load compensation technology to ensure that braking forces match the axle loads effectively.
Another significant patent is the "Traction distribution method and system of power-distributed train." This method focuses on tractive force distribution for power-distributed trains. It includes determining the current motor car, acquiring parameter information, calculating axle load transfer, and distributing tractive forces based on the current axle loads using electrical control compensation technology.
Career Highlights
Junfeng Xu has worked with prominent companies in the railway industry, including CRRC Zhuzhou Institute Co., Ltd. and CSR Zhuzhou Electric Locomotive Research Institute Co., Ltd. His experience in these organizations has contributed to his innovative approach to train technology.
Collaborations
Throughout his career, Junfeng Xu has collaborated with talented individuals such as Xiong Liu and Jianghua Feng. These collaborations have likely enhanced his research and development efforts in the field of train technology.
Conclusion
Junfeng Xu's innovative patents and career achievements highlight his significant contributions to the advancement of train technology. His work continues to influence the industry and improve the safety and efficiency of train operations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile