Company Filing History:
Years Active: 1986
Title: Innovations of Donald E. Sheppard
Introduction
Donald E. Sheppard is a notable inventor based in South Windsor, CT (US). He has made significant contributions to the field of gas turbine engine technology. With a total of 2 patents, his work has advanced the understanding and functionality of engine control systems.
Latest Patents
One of his latest patents is the "Surge/stall cessation detection system." This invention detects the cessation of stall or surge in the compressor of a twin spool gas turbine engine. It utilizes digital electronics to compare the engine's sensed burner pressure with a calculated burner pressure based on corrected low pressure compressor speed and sensed airplane Mach number. This comparison is compensated to approximate engine dynamics.
Another significant patent is the "Apparatus for synthesizing control parameters." This control system synthesizes a control parameter for a twin spool gas turbine engine, such as the ratio of high compressor inlet temperature to low compressor inlet temperature. It includes a function generator that responds to an engine operating parameter, generating a simulated value of the control parameter for a base engine configuration. A second function generator generates a simulated value of the difference between the control parameter for the base engine configuration and another configuration. This difference is corrected to reflect the actual engine configuration, providing a more accurate control parameter.
Career Highlights
Donald E. Sheppard has worked at United Technologies Corporation, where he has applied his expertise in gas turbine technology. His innovative approaches have contributed to the development of advanced engine control systems.
Collaborations
He has collaborated with fellow inventor David F. Kenison, working together to enhance the capabilities of gas turbine engines.
Conclusion
Donald E. Sheppard's contributions to gas turbine technology through his patents and work at United Technologies Corporation highlight his role as a significant inventor in the field. His innovations continue to influence the development of more efficient and effective engine systems.
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