Donald A Levengood

Title: The Innovative Contributions of Donald A. Levengood

Introduction

Donald A. Levengood is a notable inventor based in Silver Lake, Ohio. He is recognized for his significant contributions to the field of valve technology. With a focus on innovation, Levengood has developed a unique solution that enhances the functionality and reliability of valves.

Latest Patents

Levengood holds a patent for a high-pressure inverted bellows valve. This innovative design features a two-piece stem that interconnects the valve and actuator, allowing for reciprocating axial movement of the stem tip. The valve utilizes tapered surfaces between cooperating elements to achieve self-centering of the valve assembly. Additionally, an annular gland along the exterior of the valve stem incorporates concentric inner and outer O-rings, enabling the stem to float and compensate for misalignment. A wobble collar is also included to address uneven spring forces that could misalign the stem. The bellows subassembly is designed to be removable in one piece, facilitating maintenance and replacement.

Career Highlights

Levengood's career is marked by his dedication to advancing valve technology. His work at The Nupro Company has allowed him to apply his innovative ideas in practical applications. His patent reflects his commitment to improving the efficiency and reliability of valve systems.

Collaborations

Throughout his career, Levengood has collaborated with talented individuals such as Oliver L. Danko and Carl R. Bork, Jr. These partnerships have contributed to the development of innovative solutions in the field.

Conclusion

Donald A. Levengood's contributions to valve technology exemplify the spirit of innovation. His patented high-pressure inverted bellows valve showcases his ability to solve complex engineering challenges. Levengood's work continues to influence the industry and inspire future advancements.