James D Ryken

Title: Innovations of James D. Ryken

Introduction

James D. Ryken is an accomplished inventor based in Maple Grove, MN (US). He holds a total of four patents, showcasing his expertise in developing innovative solutions for various technological challenges. His work primarily focuses on enhancing the functionality and efficiency of machinery through advanced control systems.

Latest Patents

One of Ryken's notable inventions is a joystick device designed for electronic communication with a remotely located main electronic controller. This joystick device is utilized to control heavy machinery and includes a base assembly with a microprocessor that communicates with the main controller. The grip assembly features multiple input buttons and a second microprocessor, along with sensing elements that detect the joystick's movement.

Another significant patent is the hydraulic control cold start neutral valve. This valve is engineered for a variable displacement hydraulic unit and includes a housing with a spool bore and an intersecting signal pressure passage. The spool is mechanically biased to a neutral position by opposing springs, ensuring that low torque is required to restart the vehicle, even under cold oil conditions. This innovation is crucial for maintaining operational efficiency in hydraulic systems.

Career Highlights

James D. Ryken is currently employed at Sauer-Danfoss Inc., where he continues to contribute to advancements in hydraulic and electronic control technologies. His work has significantly impacted the industry, particularly in the development of user-friendly control devices for heavy machinery.

Collaborations

Throughout his career, Ryken has collaborated with notable colleagues, including David D. Dirks and Wilhelm Göllner. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

James D. Ryken's contributions to the field of invention, particularly in joystick devices and hydraulic control systems, highlight his innovative spirit and technical expertise. His work continues to influence the industry, paving the way for future advancements in machinery control.