Company Filing History:
6 out of 785 
2 out of 68 
2 out of 142 Years Active: 1994-2020
Title: Walter F. O'Brien, Jr.: Innovator in Flow Profile Production and Microturbine Technology
Introduction
Walter F. O'Brien, Jr. is a notable inventor based in Blacksburg, VA, with a significant contribution to the fields of flow profile production and microturbine technology. He holds a total of seven patents, showcasing his innovative spirit and technical expertise. His work has led to advancements that enhance efficiency and functionality in various applications.
Latest Patents
One of O'Brien's latest patents focuses on generalized flow profile production. This invention includes methods for determining downstream flow profiles, which encompass pressure and velocity profiles. The design features a pressure profile generator with distortion screens and a velocity profile generator equipped with turning vanes. These components work together to produce a desired flow profile in specific flow fields.
Another significant patent is for a micro gas turbine engine designed to power a generator. This compact microturbine integrates an ejector cooling scheme, a prevaporizing combustor, and a combustor air bypass. The innovative cooling scheme utilizes hot exhaust gases to cool the generator by entraining ambient air. The prevaporizing combustor enhances combustion efficiency by vaporizing liquid fuel before combustion, while the air bypass feature allows for better control of the fuel/air mixing process, improving overall efficiency.
Career Highlights
O'Brien has been associated with Virginia Tech Intellectual Properties, Inc. and Virginia Polytechnic Institute and State University, where he has contributed to various research and development projects. His work in these institutions has been instrumental in advancing technology in his areas of expertise.
Collaborations
Throughout his career, O'Brien has collaborated with notable colleagues, including Ricardo A. Burdisso and Chris R. Fuller. These collaborations have fostered innovation and have led to the development of impactful technologies.
Conclusion
Walter F. O'Brien, Jr. is a distinguished inventor whose contributions to flow profile production and microturbine technology have made a significant impact in the field. His innovative patents and collaborations reflect his commitment to advancing technology and improving efficiency in various applications.