Company Filing History:
Years Active: 1977-1981
Title: The Innovative Contributions of Donald W. Speir
Introduction
Donald W. Speir is a notable inventor based in Cincinnati, OH, who has made significant contributions to the field of propulsion technology. With a total of 2 patents to his name, Speir has developed innovative solutions that enhance the performance and capabilities of exhaust nozzles.
Latest Patents
Among his latest patents is the Vectorable Nozzle, which features a nonaxisymmetric, variable area design that provides thrust vectoring capabilities in one plane. This nozzle incorporates an upper thrust vectoring flap to control the direction of thrust under various flight conditions, along with a lower area control flap that pivots to modify the size and location of the nozzle throat. The structural design allows for thrust vectoring up to 60 degrees while adjusting the nozzle throat position downstream of the exhaust gas vectoring. Another significant invention is the Articulated Plug Nozzle, which includes a substantially axial nozzle shroud and an articulated plug that forms a motive fluid flow path with a throat in between. This innovative design allows the throat of the nozzle to be positioned as needed, either at the downstream end of the shroud or upstream, without requiring translation of either the shroud or the plug.
Career Highlights
Donald W. Speir is associated with General Electric Company, where he has contributed to advancements in propulsion technologies. His work has been instrumental in developing systems that improve the efficiency and effectiveness of various aerospace applications.
Collaborations
Throughout his career, Speir has collaborated with notable colleagues, including Donald Patrick McHugh and William Harvey Wooten, Jr. These collaborations have fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies in the field.
Conclusion
Donald W. Speir's contributions to propulsion technology through his patents and collaborations highlight his role as a significant inventor in the aerospace industry. His innovative designs continue to influence advancements in the field, showcasing the importance of creativity and engineering in modern technology.