Company Filing History:
3 out of 397 
1 out of 3,002 
1 out of 16,083 Years Active: 1976-1989
Title: The Innovative Contributions of Donald W. Chapin
Introduction
Donald W. Chapin is a notable inventor based in Scottsdale, AZ, with a remarkable portfolio of five patents. His work primarily focuses on fluidic technology, showcasing his expertise in creating innovative solutions that enhance performance and efficiency in various applications.
Latest Patents
Among his latest patents is the "Fluidic Set Point Amplifier Apparatus and Method, and Uses Thereof." This invention provides an output signal that is strongly linear with respect to the pressure of fluid supply, free of hysteresis, and features a zero crossing at a determined value of supply pressure. The applications of this set point amplifier include an all-fluidic pressure regulator and a turbine engine fuel control system that operates with only a single moving part. Another significant patent is the "Fluidic Fuel Control for Advanced Ramjet Engines." This system regulates fuel pressure by maintaining a predetermined differential between the fuel pump pressure and the inlet pressure to a metering valve. The design incorporates a spool valve and sleeve, ensuring that the metering area is linearly related to the stroke of the valve spool.
Career Highlights
Throughout his career, Donald W. Chapin has made significant contributions while working with prominent companies such as the Garrett Corporation and AlliedSignal Inc. His innovative spirit and technical expertise have led to advancements in fluidic control systems, which are crucial in various engineering applications.
Collaborations
Chapin has collaborated with notable professionals in the field, including Thomas B. Tippetts and John F. Thurston. These collaborations have further enriched his work and contributed to the development of cutting-edge technologies.
Conclusion
Donald W. Chapin's contributions to fluidic technology through his patents and collaborations highlight his role as an influential inventor. His innovative solutions continue to impact the engineering landscape, demonstrating the importance of creativity and technical knowledge in driving advancements.