Company Filing History:
Years Active: 2015-2020
Title: Innovations by Qunlong Dong: A Focus on Exhaust Aftertreatment Systems
Introduction
Qunlong Dong, an inventive mind based in Frederick, MD, has made significant contributions to the field of automotive technology, particularly in exhaust aftertreatment systems. With a total of three patents to his name, his work addresses critical challenges in emissions control and efficiency for diesel engines.
Latest Patents
Two of Qunlong Dong's latest patents focus on advanced methods for monitoring components in exhaust aftertreatment systems and diagnosing operational efficiency.
The first patent, titled "Method for monitoring components in an exhaust aftertreatment system and engine arrangement including exhaust aftertreatment system monitoring arrangement," outlines a comprehensive approach to assessing the performance of diesel oxidation catalysts (DOC), diesel particulate filters (DPF), and selective catalytic reduction catalysts (SCR). This method includes measuring oxygen (O2) and nitrogen oxides (NOx) levels at various locations within the system to determine the effectiveness and functionality of each component.
The second patent, "Method for detecting abnormally frequent diesel particulate filter regeneration, engine and exhaust aftertreatment system, and warning system and method," introduces a precautionary method to detect abnormal DPF regeneration frequency. By measuring pressure drops and comparing soot load estimates, this innovation provides timely warnings if discrepancies exceed pre-defined thresholds, ensuring better engine performance and emissions control.
Career Highlights
Qunlong Dong's career includes significant roles at prominent companies such as Mack Trucks, Inc. and Volvo Truck Corporation. His experience in these organizations has allowed him to develop a robust understanding of diesel engine technologies and exhaust aftertreatment systems.
Collaborations
Throughout his career, Qunlong has collaborated with notable industry professionals, including coworkers Jeffrey Marley and Chun Tai, who have undoubtedly contributed to his innovative projects and patent developments.
Conclusion
Qunlong Dong exemplifies the spirit of innovation in the automotive industry. His patents not only enhance the understanding and monitoring of exhaust aftertreatment systems but also contribute to efficient and environmentally friendly diesel engine operations. As he continues to push the boundaries of technology, the impact of his work will resonate within the automotive sector and beyond.