This inventor holds 5 USPTO granted patents. Top assignees: Chongqing University, Chongqing Yisilun Technology Co., Ltd., Chongqing Yisilun Technology Co., Ltd.. Active years: 2025-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
4 out of 147 
2 out of 2 
2 out of 3 Years Active: 2025-2026
Title: Changyan Peng: Innovator in Gear Transmission Technology
Introduction
Changyan Peng is a notable inventor based in Chongqing, China. He has made significant contributions to the field of gear transmission technology, holding a total of 5 patents. His innovative designs focus on enhancing the efficiency and functionality of gear systems.
Latest Patents
Changyan Peng's latest patents include an "External meshing cylindrical gear pair with constant meshing characteristics constructed tooth pair." This invention features a cylindrical gear I and a cylindrical gear II, both designed with constructed tooth pairs based on conjugate curves. The normal tooth profile curves are continuous combined curves, facilitating machining with the same cutter. Additionally, a common normal at an inflection point or tangent point passes through a pitch point of the gear pair, allowing for adjustments based on actual demand. The contact ratio is designed as an integer.
Another significant patent is the "Herringbone planetary gear transmission device with constant meshing characteristics constructed tooth pair." This device includes a sun gear, a planetary gear, and an internal gear, all featuring constructed tooth pairs based on conjugate curves. The normal tooth profiles are identical combined curves, enabling machining with the same cutter. The sliding ratio of the meshing gear pair can be adjusted according to the position of the inflection point or tangent point, with the contact ratio also designed as an integer.
Career Highlights
Changyan Peng has worked at Chongqing University and Chongqing Yisilun Technology Co., Ltd. His experience in these institutions has allowed him to develop and refine his innovative ideas in gear transmission technology.
Collaborations
Some of his notable coworkers include Bingkui Chen and Luhe Zhang. Their collaboration has contributed to the advancement of technology in their respective fields.
Conclusion
Changyan Peng is a distinguished inventor whose work in gear transmission technology has led to innovative patents that enhance the efficiency of gear systems. His contributions continue to influence the industry and inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile