Charles R DeJohn

Title: Innovations of Charles R DeJohn

Introduction

Charles R DeJohn is an accomplished inventor based in Rochester, NY (US). He has made significant contributions to the field of engineering, particularly in the areas of fuel cell technology and motor control systems. With a total of 3 patents to his name, DeJohn's work reflects a commitment to advancing technology and improving efficiency in various applications.

Latest Patents

One of DeJohn's latest patents is a reformer start-up strategy for use in a solid oxide fuel cell control system. This innovative method determines an optimal combustion interval during the start-up of a hydrocarbon catalytic reformer under varying conditions of temperature, fuel type, and combustion fuel flow rate. By measuring the initial catalyst temperature and utilizing an algorithm, the system calculates the rate of heating of the catalyst based on several factors, including the heat content of the fuel and the selected fuel flow rate. This allows for the inference of an optimal combustion interval, which is crucial for transitioning from combustion to reforming.

Another notable patent is a circuit designed to momentarily increase the peak torque of a DC motor. This motor control circuit supplies power to a DC motor that drives mechanisms with a driven shaft. When an obstruction occurs, the circuit synchronizes the motor driver and a switch to first charge a capacitor. It then reverses the voltage generated by the motor driver, effectively doubling the voltage applied to the DC motor. This increase in torque enables the motor to overcome the obstruction, making it applicable in various mechanisms such as an ETC valve or a window regulator.

Career Highlights

Charles R DeJohn is currently employed at Delphi Technologies, Inc., where he continues to innovate and develop new technologies. His work has had a significant impact on the efficiency and functionality of various systems, showcasing his expertise in engineering and invention.

Collaborations

DeJohn has collaborated with notable colleagues, including Kevin Richard Keegan and Amanda M Weiss. These partnerships have contributed to the successful development of his patents and innovations.

Conclusion

Charles R DeJohn is a prominent inventor whose work in fuel cell technology and motor control systems has led to significant advancements in engineering. His innovative patents reflect a deep understanding of complex systems and a dedication to improving technology.