Donald D Hester

Title: The Innovative Contributions of Donald D. Hester

Introduction

Donald D. Hester is a notable inventor based in Milpitas, California. He has made significant contributions to the field of fluid dispensing technology. His innovative designs have paved the way for advancements in precision fluid control systems.

Latest Patents

Hester holds a patent for a bellows-type dispensing pump. This microprocessor-controlled pump system is designed for the precise and accurate pumping and dispensing of fluids. The pump features a longitudinally contracting bellows supported by a bushing to prevent warping under fluid pressure. A stepper motor drives the bellows' position via a lead screw. The system includes four valves: a dispense valve, shut-off valve, vent valve, and suck-back valve, which control fluid routing within a manifold. Additionally, one or two pressure transducers enable the microprocessor to manage valve positions and stepper motor operations for effective dispensing.

Career Highlights

Donald D. Hester is currently employed at Tritec Industries, Inc. His work at the company focuses on developing advanced fluid dispensing technologies. Hester's expertise in microprocessor-controlled systems has been instrumental in enhancing the efficiency and accuracy of fluid dispensing applications.

Collaborations

Hester collaborates with Eric R. Kuehne, a fellow innovator in the field. Their partnership has contributed to the development of cutting-edge technologies in fluid dispensing systems.

Conclusion

Donald D. Hester's contributions to the field of fluid dispensing technology exemplify innovation and precision. His patent for the bellows-type dispensing pump showcases his commitment to advancing fluid control systems. Hester's work continues to influence the industry and inspire future innovations.