John David Tunley

Title: John David Tunley: Innovator in Wheel/Rail Adhesion Enhancement

Introduction

John David Tunley is a notable inventor based in Derby, GB. He has made significant contributions to the field of railway technology, particularly in enhancing wheel/rail adhesion. His innovative approach addresses critical safety and performance issues in railway vehicles.

Latest Patents

John David Tunley holds a patent for a system designed to enhance wheel/rail adhesion. This invention is crucial for preventing wheel slip during braking, which can compromise safety. The control system he developed reduces brake pressure when slipping is detected, allowing for a controlled level of slip to optimize braking force. By monitoring the pressure supplied to the brake cylinder, the system can provide a signal indicating the adhesion value. Additionally, it can detect discrepancies between the braking deceleration demanded by the driver and the observed deceleration, activating a warning if necessary. The adhesion signal can also adjust the rate at which sand is supplied to the wheel/rail interface, further improving performance.

Career Highlights

John David Tunley is associated with Aea Technology Inc., where he applies his expertise in railway technology. His work focuses on developing solutions that enhance the safety and efficiency of railway systems. With a patent portfolio that includes innovative technologies, Tunley has established himself as a key figure in the industry.

Collaborations

One of his notable collaborators is Graham Edward Curtis, with whom he has worked on various projects related to railway technology. Their combined efforts have contributed to advancements in the field.

Conclusion

John David Tunley's contributions to wheel/rail adhesion enhancement demonstrate his commitment to improving railway safety and performance. His innovative solutions continue to influence the industry positively.