Location History:
- Ann Arbor, MI (US) (2003)
- Saline, MI (US) (2004)
Company Filing History:
Years Active: 2003-2004
Title: Roger Hanggi: Innovator in Continuously Variable Transmission Technology
Introduction
Roger Hanggi is a notable inventor based in Saline, Michigan, who has made significant contributions to the field of engineering, particularly in the area of continuously variable transmissions (CVT). With a total of two patents to his name, Hanggi's work focuses on enhancing the efficiency and functionality of automotive technologies.
Latest Patents
One of Hanggi's latest patents is a method of controlling a CVT speed ratio. This innovative method involves controlling the output/input speed ratio of a CVT plant, which includes primary and secondary pulleys actuated by primary and secondary pressures. The method calculates a desired force ratio for the CVT plant and determines the necessary pressures to control its operation effectively. This approach allows for precise adjustments to the speed ratio based on real-time measurements, improving the overall performance of the transmission system.
Another significant patent by Hanggi is for a variable displacement vane pump. This pump features a unique design that includes a rotor, radially extending vanes, and a slide that pivots to regulate fluid flow. The innovative design allows for efficient operation by adjusting the volume of fluid chambers based on pressure, thereby enhancing the pump's performance in various applications.
Career Highlights
Roger Hanggi is currently employed at GM Global Technology Operations LLC, where he continues to develop and refine technologies that contribute to the automotive industry. His expertise in engineering and innovation has positioned him as a valuable asset within the company.
Collaborations
Hanggi collaborates with fellow engineer Ananth Krishnan, working together to push the boundaries of automotive technology and improve the efficiency of vehicle systems.
Conclusion
Roger Hanggi's contributions to the field of continuously variable transmissions and fluid dynamics exemplify the spirit of innovation in engineering. His patents reflect a commitment to enhancing automotive technologies, making him a significant figure in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.