Company Filing History:
Years Active: 2014-2018
Title: Innovations by Yongquan Chai
Introduction
Yongquan Chai is a notable inventor based in Columbus, Indiana, known for his contributions to the field of engine exhaust aftertreatment systems. With a total of five patents to his name, Chai has made significant advancements in the technology surrounding reductant delivery systems.
Latest Patents
One of Chai's latest patents focuses on systems and techniques for heating urea injection systems. This innovative reductant delivery system is designed to deliver reductant to an engine exhaust aftertreatment system, ensuring it remains heated during cold temperature conditions. The system utilizes a heat exchange fluid that flows through a circuit, providing a flow path from the heat source to the doser, then to the reductant storage tank, and back to the heat source. A control valve regulates the flow of the heat exchange fluid, allowing for a heat exchange cycle that includes a circulation period to increase the temperature of the reductant and a termination period where circulation is paused until the reductant temperature reaches a lower limit.
Career Highlights
Throughout his career, Yongquan Chai has worked with prominent companies such as Cummins Emission Solutions Inc. and Cummins Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in emission control technologies.
Collaborations
Chai has collaborated with talented individuals in his field, including coworkers Sr