Location History:
- Fraser, MI (US) (1988)
- Troy, MI (US) (1988)
Company Filing History:
Years Active: 1988
Title: Innovations by Douglas K. Mehaffey: Pioneering Advances in Engine Technology
Introduction
Douglas K. Mehaffey, an inventive engineer based in Fraser, Michigan, is known for his contributions to the field of internal combustion engine technology. With a total of two patents to his name, Mehaffey has developed innovative solutions that enhance engine efficiency and performance. His work at Gm Global Technology Operations LLC places him at the forefront of automotive technology advancements.
Latest Patents
Mehaffey's latest patents include two significant innovations:
1. **Variable Valve Lift/Timing Mechanism** - This invention introduces a sophisticated valve train mechanism that utilizes a rocker arm to control valve lift and timing. The design features a cam surface profile that interacts with an angular movable reaction member to precisely regulate the rocker arm's movement. This pivotal action optimizes the amount of valve lift and its timing, thereby improving engine efficiency.
2. **Adaptive Dilution Control for IC Engine Responsive to LPP** - This innovative dilution control system adjusts an Exhaust Gas Recirculation (EGR) valve and variable valve lift mechanism based on the relationship between ignition timing and peak combustion pressure. By fine-tuning these parameters, Mehaffey's invention ensures that the engine operates consistently at optimal performance levels, reducing emissions while maintaining efficiency.
Career Highlights
Throughout his career at Gm Global Technology Operations LLC, Mehaffey has showcased his expertise in advanced engine technologies. His patents reflect a deep understanding of mechanics and a commitment to enhancing engine performance through innovative design. His work not only advances automotive technology but also contributes to more sustainable engine operation practices.
Collaborations
Mehaffey’s collaborative efforts with colleagues such as James H. Currie and Kenneth J. Cinpinski have fostered a creative environment that promotes innovation. Together, they work towards pushing the boundaries of automotive technology, leveraging their collective expertise to develop cutting-edge solutions.
Conclusion
Douglas K. Mehaffey stands as a prominent figure in the field of engine technology, having made significant strides through his innovative patents. His contributions at Gm Global Technology Operations LLC highlight the impact of dedicated inventors in transforming industry standards and enhancing automotive performance. As technology continues to evolve, Mehaffey's work serves as a foundation for future advancements in engine efficiency and sustainability.