Chienshin Wu

Title: Innovations by Chienshin Wu in Fuel Injection Technology

Introduction

Chienshin Wu is an accomplished inventor based in Minneapolis, MN (US). He has made significant contributions to the field of fuel injection technology, particularly through his innovative designs that enhance the performance of direct fuel injectors.

Latest Patents

Chienshin Wu holds a patent for "Direct fuel injectors with variable injection flow rate." This invention is designed to provide continuously variable injection rate shaping. The injector features a hydro-mechanical internal feedback mechanism that allows for precise control of the injector needle position by managing the on/off timing of a feedback valve. This control enables the injection needle valve opening to be adjusted, allowing for proportional delivery of the injection flow rate. The patent also describes the integration of these injectors into Common Rail Direct Injection (CRDI) systems, demonstrating that the designs not only achieve rate shaping capability but also address existing issues within current CRDI systems. Additionally, an iterative learning controller has been developed to track the desired injection rate, complemented by an injection rate estimator for cycle-to-cycle feedback control.

Career Highlights

Chienshin Wu is affiliated with the Regents of the University of Minnesota, where he continues to advance research in fuel injection systems. His work has garnered attention for its innovative approach to improving fuel efficiency and performance in automotive applications.

Collaborations

Chienshin Wu has collaborated with Zongxuan Sun, contributing to the development of advanced fuel injection technologies. Their partnership has led to significant advancements in the field.

Conclusion

Chienshin Wu's contributions to fuel injection technology exemplify the impact of innovative thinking in engineering. His patent on variable injection flow rate injectors represents a significant advancement in the automotive industry, showcasing the potential for improved efficiency and performance.