Patrick Coutant

Title: **Innovative Contributions of Patrick Coutant in Automotive Technology**

Introduction

Patrick Coutant, an accomplished inventor based in Rueil Malmaison, France, has made significant contributions to the field of automotive technology. With a total of three patents to his name, Coutant's work primarily focuses on advanced control systems for automatic transmissions, showcasing his ingenuity and dedication to innovation in the automotive industry.

Latest Patents

Coutant's latest patents demonstrate his expertise and innovative approach to solving complex engineering challenges. His first noteworthy invention is a **Control System for a Four-Speed Automatic Transmission**. This patent outlines a control device for an automatic transmission that features four forward speeds and one reverse speed. The system is designed with a hydrokinetic torque converter integrated with a torsional damper. A key aspect of this invention is its use of a planetary gear train, controlled by a sophisticated arrangement of three clutches and two brakes, where hydraulic controls are utilized to adapt to the vehicle's running conditions.

Another significant patent is the **Two-Range Pressure Control System**. This invention presents a pressure control device that combines a manual valve with a pressure control valve. It innovatively establishes two distinct line pressure ranges, providing a modulated pressure control system that enhances the efficiency and performance of automatic transmission systems. The ability of this system to adjust pressures dynamically exemplifies Coutant’s inventive proficiency in addressing complex automotive needs.

Career Highlights

Coutant currently contributes his expertise to Renault, a leading automotive company known as Régie Nationale des Usines Renault. His position at Renault allows him to work within an innovative environment, where his ideas and patents contribute to the advancement of vehicular technologies. With a focus on improving automatic transmission systems, Coutant's inventions reflect his commitment to driving progress in the automotive sector.

Collaborations

Throughout his career, Coutant has collaborated with notable colleagues, including François J. Leorat and Paul Aubert. Their combined efforts and expertise in automotive design and engineering have further fueled a culture of innovation within their teams, leading to significant advancements in automotive technologies.

Conclusion

Patrick Coutant stands out as a pivotal figure in the field of automotive innovation. His patents are a testament to his ingenuity and ability to enhance the functionality of automatic transmission systems. Through his contributions at Renault and collaborations with esteemed colleagues, Coutant continues to make lasting impacts on the automotive industry, underscoring the importance of innovative thinking in engineering.