Company Filing History:
Years Active: 2003-2020
Title: The Innovative Contributions of David Lee Dunnuck
Introduction
David Lee Dunnuck is a notable inventor based in Columbus, IN (US). He has made significant contributions to the field of exhaust aftertreatment systems, holding a total of 3 patents. His work focuses on improving the efficiency and effectiveness of exhaust gas mixing technologies.
Latest Patents
One of his latest patents is titled "Systems and methods for mixing exhaust gases and reductant in an aftertreatment system." This invention features a vane swirl mixer designed for exhaust aftertreatment. The mixer includes a vane swirl mixer inlet and outlet, along with a first flow device that consists of a Venturi body. Within this body, a plurality of upstream vanes and downstream vanes are strategically positioned, each with interspaced apertures. Notably, at least one of the upstream or downstream vane hubs is radially offset from the Venturi center axis, resulting in unique geometries for the vanes attached to the offset hub.
Career Highlights
David has worked with prominent companies in the industry, including Cummins Emission Solutions Inc. and Cummins Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in exhaust aftertreatment technologies.
Collaborations
Throughout his career, David has collaborated with talented individuals such as Z Gerald Liu and Apoorv Kalyankar. These partnerships have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
David Lee Dunnuck's work in the field of exhaust aftertreatment systems showcases his innovative spirit and dedication to improving environmental technologies. His patents reflect a commitment to enhancing the efficiency of exhaust gas mixing, making a significant impact in the industry.