Company Filing History:
Years Active: 1978-1981
Title: John E. Straut: Innovator in Hydraulic Braking Systems
Introduction
John E. Straut is a notable inventor based in Mahwah, NJ (US), recognized for his contributions to hydraulic braking systems. With a total of 3 patents, he has made significant advancements in the field of railway vehicle braking technology. His innovative designs focus on enhancing the efficiency and reliability of braking systems.
Latest Patents
One of his latest patents is a hydraulic braking system that features three embodiments, each designed to provide a precisely controlled hydraulic braking system for railway vehicles. This system includes a pilot pressure controlled brake control valve, where the pilot pressure is selectively varied through pressure control and flow control valves. This design minimizes the power requirements for the hydraulic braking system. Additionally, the braking system is compatible with various braking actuators, including spring-apply, pressure-release, and pressure-apply, spring-release types. An auxiliary hydraulic system is also integrated to ensure brake operation in case of primary system failure. The pilot pressure fluid can be hydraulic or pneumatic, and the brake control valve can include a pneumatic emergency brake override control.
Another significant invention by Straut is a hand pump for hydraulic brake actuators. This pump features a double-acting piston and incorporates a check valve to limit the manual force required for operation. It also includes a pressure release valve that is actuated by the pump handle when in the home position.
Career Highlights
Throughout his career, John E. Straut has worked with reputable companies such as Abex Corporation and Tec Tran Corporation. His experience in these organizations has contributed to his expertise in hydraulic systems and braking technologies.
Collaborations
One of his notable coworkers is William H. Kohler, with whom he has collaborated on various projects related to hydraulic systems.
Conclusion
John E. Straut's innovative work in hydraulic braking systems has significantly impacted railway vehicle safety and efficiency. His patents reflect a commitment to advancing technology in this critical area.