Donald Hammond Rist

Title: The Innovations of Donald Hammond Rist

Introduction

Donald Hammond Rist is a notable inventor based in Erie, PA (US). He has made significant contributions to the field of electrical propulsion systems for traction vehicles. With a total of 2 patents, Rist's work focuses on enhancing the efficiency and control of electrically propelled vehicles.

Latest Patents

Rist's latest patents include innovative systems designed to improve the performance of self-propelled traction vehicles. The first patent, titled "Speed control for electrically propelled traction vehicles," describes an electrical propulsion control system that regulates the output of a prime mover-driven electric generator. This system maintains the generator's electrical output within desired limits, allowing for variable output voltage based on the desired vehicle speed. The second patent, "Prime mover speed responsive load control for electrically propelled," outlines a method for regulating the electrical output of a thermal prime mover-driven electric generator. This system ensures that the generator operates within predetermined voltage, current, and power limits, while also allowing for independent reduction of output in response to the prime mover's deceleration.

Career Highlights

Donald Hammond Rist is associated with General Electric Company, where he has applied his expertise in electrical engineering to develop advanced propulsion systems. His work has contributed to the evolution of electric traction technology, making significant strides in vehicle performance and efficiency.

Collaborations

Rist has collaborated with fellow inventor Barry Jay Turley, working together to push the boundaries of electrical propulsion technology. Their combined efforts have led to innovative solutions that enhance the functionality of traction vehicles.

Conclusion

Donald Hammond Rist's contributions to the field of electrical propulsion systems are noteworthy. His patents reflect a commitment to innovation and efficiency in vehicle technology. Through his work at General Electric Company, Rist continues to influence the future of electrically propelled vehicles.