Donald L Ewing

Title: **Innovative Contributions of Donald L. Ewing in Richardson, TX**

Introduction

Donald L. Ewing is a notable inventor based in Richardson, Texas, with a commendable portfolio of two patents. His innovations focus on advancing industrial control systems and flame detection technology, showcasing his ingenuity in engineering and design.

Latest Patents

One of Ewing's significant inventions is the **Infrared Flame Detector Adaptable for Different Fuels**. This system utilizes an infrared photodetector that captures the infrared radiation produced by flames. The detector's output is amplified with a gain that can be switched between two values, optimizing the system for various fuel types. A programmable high pass filter allows the corner frequency to be adjusted, which is essential for accurately detecting flames generated by different fuels. Ultimately, the system provides a reliable indication of flame presence by comparing the output signal to a reference voltage.

Another notable invention by Ewing is the **Distributed Single Board Computer Industrial Control System**. This innovative control system integrates multiple diverse devices, such as fans, pumps, and valves, each with unique operational commands. The setup involves a single board computer connected to these devices through an input/output interface. The system employs a user-alterable interconnection device that ensures only relevant commands are executed, effectively addressing the specific functionalities of each controlled device. This design enhances efficiency and simplifies control processes compared to traditional dedicated stored-program controllers.

Career Highlights

Throughout his career, Donald L. Ewing has contributed to the field of engineering while working with reputable companies such as Forney Engineering Company and Forney International, Inc. His work in these organizations reflects a dedication to innovation and practical engineering solutions.

Collaborations

Ewing has collaborated with notable professionals like William D. Johnson and James S. Grisham, Jr. Their partnerships likely fostered creative ideas and advanced the projects they undertook, contributing to the development of effective and innovative products.

Conclusion

Donald L. Ewing continues to exemplify the spirit of innovation in his work, particularly through his patents that improve industrial control systems and flame detection technologies. His contributions not only advance engineering practices but also enhance safety and efficiency in various applications, marking him as a key player in his field.