Frank A DeMarco

Title: The Innovative Journey of Frank A. DeMarco

Introduction

Frank A. DeMarco is a distinguished inventor hailing from East Peoria, IL, known for his remarkable contributions to hydraulic transmission systems. With a total of nine patents to his name, DeMarco has pioneered advancements that are crucial for efficiency and performance in mechanical systems. His innovative spirit and technical expertise make him a notable figure in the field of engineering and invention.

Latest Patents

Two of DeMarco's latest patents exemplify his ingenuity and the significant impact of his work. The first is the "Variator pressure-set torque control," which introduces a method and system for configuring a hydromechanical transmission. This invention integrates a hydraulic pump, a hydraulic motor, and a pressure-driven actuator, employing a specific torque-pressure curve to optimize torque resolution while maintaining a monotonic curve within established speed limits. This advancement allows for precise torque selection based on actuator pressure, a significant leap in hydraulic system design.

The second notable patent is the "Electric motor actuation of a hydrostatic pump." This hydraulic motor system aims to enhance frequency response by utilizing a hydraulic variator with a pump and motor. DeMarco's design incorporates a variable angle swash plate controlled by an electric actuator, enabling precise adjustments to motor output characteristics. The actuator may be implemented through various means, including a linear electric motor or a rotary electric motor, credited for its versatility and efficiency.

Career Highlights

Frank A. DeMarco has spent a significant portion of his career at Caterpillar Inc., where he has contributed to advancing hydraulic technologies. His role in the company has allowed him to collaborate on several innovative projects, earning him a reputation for excellence and creativity in engineering solutions. His expertise has not only benefited his department but has also significantly impacted Caterpillar's overall product lines and efficacy.

Collaborations

Throughout his career, DeMarco has had the opportunity to work with talented colleagues, including Brian Dean Kuras and Michael G. Cronin. These collaborations have fostered a multidisciplinary approach to problem-solving, enabling them to tackle complex challenges and develop groundbreaking inventions that push the boundaries of hydraulic technology.

Conclusion

Frank A. DeMarco stands as a beacon of innovation within the realm of engineering, reflecting the vital role inventors play in shaping modern technology. His nine patents, particularly in hydraulic systems, illustrate a commitment to enhancing performance and efficiency. As he continues his work at Caterpillar Inc., DeMarco’s contributions will undoubtedly inspire future innovations in the industry and serve as a testament to the significance of inventive spirit in engineering.