Steven D Wallestad

Title: Innovations by Steven D. Wallestad

Introduction

Steven D. Wallestad is a notable inventor based in Ankeny, IA (US). He has made significant contributions to the field of hydraulic systems, holding a total of 11 patents. His work primarily focuses on enhancing the efficiency and functionality of hydraulic machinery.

Latest Patents

Among his latest innovations is the "Hydraulic motor control system and method." This electrohydraulic system is designed for work machines and includes a pump, a motor fluidly coupled to the pump, a subassembly driven by the motor, and a rate-control valve. The rate-control valve is adjustable, allowing the present speed of the motor to be proportional to its position. The system intelligently adjusts the current supplied to the rate-control valve based on the difference between the motor's present speed and a target speed.

Another significant patent is the "Regenerative handler raise and gravity lower cylinder." This invention provides hydraulic power savings for a rear module handler cylinder of a round module cotton harvester. It utilizes a regenerative hydraulic arrangement for raising an empty handler while employing gravity for lowering it. The bale handler system includes a handler that can move between upright and lowered positions, featuring a regenerative valve that optimizes performance during operation.

Career Highlights

Steven D. Wallestad is currently employed at Deere & Company, where he continues to innovate and develop advanced hydraulic systems. His expertise in hydraulic technology has positioned him as a key contributor to the company's success in this field.

Collaborations

Throughout his career, Wallestad has collaborated with talented individuals such as James Thomas Noonan and Mark Alan Cracraft. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Steven D. Wallestad's contributions to hydraulic systems exemplify the spirit of innovation. His patents reflect a commitment to improving machinery efficiency and functionality. His work continues to influence the industry and inspire future advancements.