Qianxi Liu

Title: Innovations of Qianxi Liu in Piston Ring Technology

Introduction

Qianxi Liu is a notable inventor based in Yizheng, China, recognized for his contributions to piston ring technology. With a total of 5 patents, Liu has made significant advancements in the design and preparation methods of piston rings, enhancing their performance and durability.

Latest Patents

Liu's latest patents include a "Piston ring with hard plating, and preparation method therefor." This invention features a piston ring with an outer diameter surface that includes an interlayer, a gradient metal nitride layer, and a diamond-like carbon (DLC) repetitive unit layer. The design incorporates a combination of micron-thickness and nanometer-thickness layers, which enhances the binding force between each plating and reduces internal stress. Additionally, metal doping in the DLC layer effectively minimizes plating stress and addresses the issue of plating peeling.

Another significant patent is the "Wear-resistant and low-friction coated piston ring and preparation method therefor." This invention presents a diamond-like carbon coating on the outer diameter surface and side surface of the piston ring, consisting of multiple metal interlayers and alternating high/low hardness DLC layers. The preparation method utilizes physical vapor deposition to achieve a uniform coating, improving wear resistance and reducing friction.

Career Highlights

Qianxi Liu is currently employed at Asimco Shuanghuan Piston Ring (Yizheng) Co., Ltd., where he continues to innovate in the field of piston ring technology. His work has contributed to the development of advanced piston rings that meet the demands of modern engines.

Collaborations

Liu collaborates with talented coworkers, including Bo Zhang and Guanfei Shi, who contribute to the innovative environment at Asimco Shuanghuan Piston Ring.

Conclusion

Qianxi Liu's innovative work in piston ring technology showcases his expertise and commitment to enhancing engine performance. His patents reflect a deep understanding of material science and engineering, positioning him as a key figure in the industry.