This inventor holds 1 USPTO granted patent. Top assignee: Virginia Tech Intellectual Properties Inc.. Active years: 2009.
Company Filing History:
Years Active: 2009
Title: Changrong Liu: Innovator in DC/DC Converter Technology
Introduction
Changrong Liu is a notable inventor based in Sunnyvale, California. He has made significant contributions to the field of electrical engineering, particularly in the development of advanced power conversion technologies. His innovative work focuses on improving the efficiency and performance of DC/DC converters.
Latest Patents
Changrong Liu holds a patent for a "Multiphase soft switched DC/DC converter and active control technique for fuel cell ripple current elimination." This invention features a transformer with primary coils connected to an input side and secondary coils connected to an output side. Each primary coil connects to a full-bridge circuit comprising two switches on two legs, with the primary coil situated between the switches on each leg. The full-bridge circuits are connected in parallel, and the secondary coils are linked to a rectifying circuit. The design includes an outer loop control circuit that reduces ripple in a voltage reference and an inner loop control circuit that minimizes ripple in a current reference.
Career Highlights
Changrong Liu is associated with Virginia Tech Intellectual Properties Inc., where he continues to advance his research and development efforts. His work has garnered attention for its potential applications in fuel cell technology and power management systems.
Collaborations
He has collaborated with esteemed colleagues such as Jih-Sheng Lai and Amy Marlene Ridenour, contributing to a dynamic research environment that fosters innovation.
Conclusion
Changrong Liu's contributions to the field of DC/DC converter technology exemplify his commitment to innovation and excellence. His patent reflects a significant advancement in power conversion techniques, showcasing his expertise and dedication to improving energy efficiency.