Dale B Andrews

Title: The Innovative Contributions of Dale B Andrews

Introduction

Dale B Andrews is a notable inventor based in Derry, NH (US), recognized for his significant contributions to the field of pump technology. With a total of five patents to his name, Andrews has developed innovative solutions that enhance the efficiency and reliability of various pumping systems.

Latest Patents

One of Andrews' latest patents is the "Fully Enclosed Seal and Bearing Assembly for Between-Bearing Pumps." This invention features a unique bearing and seal assembly designed to support and seal the terminating outboard end of an impeller shaft in a centrifugal pump. It utilizes a single seal that offers the advantages of a dual-seal assembly, providing barrier fluid protection against seal damage from abrasive slurries and preventing the leakage of toxic process fluid into the atmosphere. The design includes a bearing housing that is sealed to the pump's pressure casing, ensuring that the barrier fluid is contained within the housing, eliminating the need for a second seal.

Another significant patent is the "Multistage Slurry Pump." This invention is a multistage, centrifugal partial emissions pump that incorporates a first stage impeller and a final stage impeller, along with various casing liners and discharge nozzles. The design features an interstage delivery channel that follows an arced path directed predominantly radially inward, optimizing fluid delivery while minimizing emissions.

Career Highlights

Throughout his career, Dale B Andrews has worked with reputable companies such as Lawrence Pumps Inc. and Flowserve Management Company. His experience in these organizations has allowed him to refine his expertise in pump design and innovation.

Collaborations

Andrews has collaborated with notable professionals in the industry, including D Paul Russell and Michael C Witzgall. These collaborations have contributed to the development of advanced pumping technologies and have further established Andrews' reputation as a leading inventor in his field.

Conclusion

Dale B Andrews has made remarkable contributions to pump technology through his innovative patents and collaborations. His work continues to influence the industry, showcasing the importance of creativity and engineering in developing efficient solutions.