Changxin Yu

Title: Changxin Yu: Innovator in Rolling Bearing Technology

Introduction

Changxin Yu is a notable inventor based in Ageo, Japan. He has made significant contributions to the field of rolling bearing technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of rolling bearing units used in various applications.

Latest Patents

One of Changxin Yu's latest patents is a rolling bearing unit for a wheel. This innovative design includes an outer ring member with a flange portion that is fitted to a vehicle body-side member. The inner ring member is rotatably fitted within the outer ring member, and double-row rolling elements are arranged between them. The flange portion consists of a first flange on the upper side and second and third flanges on the lower side, each equipped with bolt-holes for secure fitting. The first flange is strategically designed so that its bolt-hole aligns with the vertical line passing through the rotational center of the outer ring member.

Another significant patent is a sealing device and rolling bearing apparatus. This device is mounted in an annular space defined between an inner member and an outer member that rotate relative to each other. The sealing device features a slinger with a cylindrical portion that is press-fitted onto one of the members, along with an annular plate portion. Additionally, a seal main body is included, which has a core metal with a cylindrical portion and an annular plate portion, along with a seal member fixed to the core metal. A lip is provided to close the space between the slinger and the core metal, ensuring effective sealing.

Career Highlights

Changxin Yu is currently employed at Jtekt Corporation, where he continues to innovate and develop advanced bearing technologies. His work has been instrumental in improving the performance and reliability of rolling bearings in various applications.

Collaborations

Throughout his career, Changxin Yu has collaborated with notable colleagues, including Yoshito Takada and Seiji Yamamoto. These collaborations have contributed to the advancement of technology in the field of rolling bearings.

Conclusion

Changxin Yu is a distinguished inventor whose contributions to rolling bearing technology have made a significant impact in the industry. His innovative patents and ongoing work at Jtekt Corporation highlight his dedication to advancing engineering solutions.