Company Filing History:
Years Active: 2025
Title: Innovations by Shangjun Nan in Hydraulic Control Systems
Introduction
Shangjun Nan is a notable inventor based in Jiangsu, China. He has made significant contributions to the field of hydraulic control systems, particularly in the context of excavators. His innovative approach has led to the development of a unique hydraulic control system that enhances the functionality of excavators.
Latest Patents
Shangjun Nan holds a patent for a "Hydraulic control system for boom floating of excavator and control method thereof." This invention discloses a hydraulic circuit where a main pump supplies oil to the boom cylinder through a boom reversing valve. The two working ports of the boom reversing valve are connected to the rod cavity and rodless cavity of the boom cylinder, respectively. Additionally, a rod cavity floating valve and a rodless cavity floating valve are integrated into the oil circuit, enhancing the control and efficiency of the excavator's operations.
Career Highlights
Shangjun Nan is associated with Xuzhou XCMG Excavator Machinery Co., Ltd., a leading company in the manufacturing of excavators. His work at this company has been pivotal in advancing hydraulic control technologies. His innovative designs and solutions have contributed to the company's reputation for excellence in the industry.
Collaborations
Shangjun Nan has collaborated with notable colleagues such as Yuzhong Dong and Yunbo Xiao. Their combined expertise has fostered a productive environment for innovation and development within their field.
Conclusion
Shangjun Nan's contributions to hydraulic control systems exemplify the spirit of innovation in engineering. His patent and work at Xuzhou XCMG Excavator Machinery Co., Ltd. highlight his commitment to enhancing excavator technology. His achievements reflect the importance of collaboration and creativity in driving advancements in the industry.