This inventor holds 3 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Otis Elevator Company. Active years: 2018-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2018-2026
Title: Zhenhong Li: Innovator in Elevator Control Systems
Introduction
Zhenhong Li is a notable inventor based in New Britain, Connecticut, who has made significant contributions to the field of elevator technology. With a focus on enhancing the reliability and efficiency of elevator systems, he holds 3 patents that showcase his innovative approach to engineering challenges.
Latest Patents
One of Zhenhong Li's latest patents is an "Elevator control system with reliability monitoring." This invention includes a drive that controls power to an elevator machine, along with a machine power switch module and a brake power switch module that can selectively disconnect power. The system features a monitor module with two units that track the conditions of both the machine power switch and the brake power switch, ensuring operational reliability through mutual output verification.
Another significant patent is for "Motor torque ripple reduction using DC bus harmonics." This method addresses the issue of ripple in electric motors by sensing electric parameters and detecting ripple through current sensors and discrete Fourier transform calculations. The invention aims to reduce ripple by adjusting the electric signal sent from a drive control to the motor, which may also be configured to interact with a power grid.
Career Highlights
Zhenhong Li is currently employed at Otis Elevator Company, a leading firm in the elevator and escalator industry. His work focuses on developing advanced control systems that enhance the performance and safety of elevator operations.
Collaborations
Throughout his career, Zhenhong has collaborated with talented professionals, including Daryl J Marvin and Ben Guo, who contribute to the innovative environment at Otis Elevator Company.
Conclusion
Zhenhong Li's contributions to elevator technology through his patents reflect his commitment to innovation and engineering excellence. His work not only improves the functionality of elevator systems but also enhances safety and reliability in vertical transportation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile