Roger E Doerfler

Title: Innovations of Roger E. Doerfler in Brake Technology

Introduction

Roger E. Doerfler is a notable inventor based in Detroit, MI (US), recognized for his contributions to automotive brake technology. With a total of 5 patents, Doerfler has made significant advancements in the field, particularly in the design and functionality of brake systems.

Latest Patents

Among his latest patents is the "Brake Proportioning Apparatus," which restricts and proportions the application of brake pressure to the wheels of a vehicle under specific conditions. This innovative apparatus utilizes spring forces and spring rates to provide a differential brake force to a proportioning valve, allowing for both linear and non-linear programming of fluid pressure. Another significant invention is the "Blend Back Proportioning Brake Control Apparatus," which features a dual hydraulic brake system. This system incorporates a dual master cylinder for separately pressurizing the front and rear brakes of a vehicle. The device is designed to vary the proportion of brake pressure applied to the front and rear brakes, utilizing a differential area piston to manage brake pressure effectively.

Career Highlights

Roger E. Doerfler is currently associated with Kelsey-Hayes Company, where he continues to innovate in the automotive sector. His work has been instrumental in enhancing vehicle safety and performance through improved braking systems.

Collaborations

Throughout his career, Doerfler has collaborated with notable colleagues, including David T. Ayers, Jr. and William Stelzer, contributing to the advancement of automotive technologies.

Conclusion

Roger E. Doerfler's innovative work in brake technology has significantly impacted the automotive industry, showcasing his expertise and commitment to enhancing vehicle safety. His patents reflect a deep understanding of engineering principles and a dedication to improving braking systems.