HengFeng Xie

Title: Innovations by HengFeng Xie in Elevator Technology

Introduction

HengFeng Xie is a notable inventor based in Hangzhou, China, recognized for his contributions to elevator technology. With a total of 2 patents, he has developed innovative solutions that enhance the safety and efficiency of elevator systems.

Latest Patents

One of HengFeng Xie's latest patents is a detection method for elevator brake moment. This method addresses the limitations of traditional brake detection devices, which require manual operation and lack convenience. By inputting stagewise torque current to the motor, the method determines if the torque during rotation is within the design moment range of the brake. This allows for the analysis of brake wear trends and improves detection accuracy through periodic automatic checks.

Another significant patent is the position recovery via dummy landing patterns. This invention involves an elevator system that includes a hoistway with multiple landings and a position determining system. The system utilizes landing position indicators and dummy position indicators to enhance the cost-effectiveness and efficiency of determining the elevator car's position. This innovative approach provides a more reliable alternative to absolute position reference systems.

Career Highlights

HengFeng Xie is currently employed at Otis Elevator Company, a leading firm in the elevator and escalator industry. His work focuses on developing advanced technologies that improve elevator safety and performance.

Collaborations

HengFeng collaborates with talented coworkers, including Shan Li and Xiaolin Harry Wang, who contribute to the innovative projects at Otis Elevator Company.

Conclusion

HengFeng Xie's contributions to elevator technology through his patents demonstrate his commitment to innovation and safety in the industry. His work continues to influence the development of more efficient and reliable elevator systems.