Randal L DuFresne

Title: Randal L DuFresne: Innovator in Engine Misfire Protection

Introduction

Randal L DuFresne is an accomplished inventor based in Orchard Lake, MI (US). He has made significant contributions to the field of automotive technology, particularly in engine performance and safety. His innovative approach has led to the development of a unique patent that addresses critical issues in engine operation.

Latest Patents

Randal holds a patent for an "Engine converter misfire protection method and apparatus." This invention focuses on controlling engine parameters in response to the detection of potentially damaging cylinder misfires. The method includes a misfire counter that tracks misfires over a predetermined time period. It integrates positive changes in the counter output and compares them with a threshold count to identify damaging misfire conditions. The apparatus samples a short-term fuel correction signal and compares it with a second threshold. When both thresholds are exceeded simultaneously, the system shuts off fuel to the misfiring cylinder, ensuring engine safety and efficiency.

Career Highlights

Randal is currently employed at GM Global Technology Operations, Inc., where he continues to innovate and improve automotive technologies. His work has been instrumental in enhancing engine performance and reliability, contributing to the overall advancement of the automotive industry.

Collaborations

Randal collaborates with talented professionals in his field, including his coworker Vincent A White. Together, they work on various projects that aim to push the boundaries of automotive technology and improve vehicle safety.

Conclusion

Randal L DuFresne is a notable inventor whose work in engine misfire protection has made a significant impact on automotive technology. His innovative solutions continue to enhance engine performance and safety, showcasing his dedication to advancing the industry.