Company Filing History:
Years Active: 1991
Title: Michael D. Liggett: Innovator in Exhaust Gas Recirculation Technology
Introduction
Michael D. Liggett is a notable inventor based in Rochester, NY (US). He has made significant contributions to the field of internal combustion engine technology, particularly in exhaust gas recirculation systems. With a total of 2 patents to his name, Liggett's work has been instrumental in enhancing engine efficiency and reducing emissions.
Latest Patents
Liggett's latest patents include innovative designs for exhaust gas recirculation valve assemblies. The first patent describes an exhaust gas recirculation valve assembly that controls the recirculation of exhaust gases in an internal combustion engine. This assembly features a base with an exhaust gas chamber, a cover, and a valve member that meters exhaust gas passage. An actuator is included to operate the valve, while a heat deflector assembly minimizes heat transfer to the actuator, ensuring durability.
The second patent also focuses on an exhaust gas recirculation valve assembly, which utilizes an electrically operated valve member to meter exhaust gas flow. This design includes a valve stem extending to an actuator that is isolated from the exhaust gas chamber. The valve is surrounded by spring-biased seals that prevent contaminants from entering the actuator, thereby enhancing the system's reliability.
Career Highlights
Michael D. Liggett is currently employed at GM Global Technology Operations, Inc. His work at this company has allowed him to collaborate on various projects aimed at improving automotive technologies. His expertise in exhaust gas recirculation systems has positioned him as a key player in the field.
Collaborations
Liggett has worked alongside talented colleagues, including Karen M. Meyer and Charles J. Barker. Their combined efforts have contributed to advancements in automotive engineering and technology.
Conclusion
Michael D. Liggett's innovative work in exhaust gas recirculation technology showcases his commitment to improving engine performance and environmental sustainability. His patents reflect a deep understanding of engineering principles and a dedication to advancing automotive technology.