John G Leddy

Title: The Innovative Contributions of John G. Leddy

Introduction

John G. Leddy, an accomplished inventor located in Brookline, Massachusetts, has significantly impacted the field of electrical engineering. With a total of two patents to his name, Leddy's innovative designs focus on enhancing motor control systems, setting new standards in reliability and efficiency. His work exemplifies how inventive thinking can lead to advancements in technology.

Latest Patents

Leddy's recent patents demonstrate his expertise and commitment to innovation. The first, titled "Electromagnetic Contactor with Wide Range Overload Current Relay Board," describes a sophisticated motor controller system. This system incorporates a current monitor that generates an output signal corresponding to a vast range of currents, from 1 to 1,000 amperes. Notably, the output signal is converted into a DC voltage for processing by a microprocessor, enabling the motor controller to open contacts at appropriate current values. Leddy’s design utilizes an integrating capacitor to sample the output current, ensuring accurate measurements and effective monitoring of the line current.

The second patent, "Electromagnetic Contactor with Current Regulated Electromagnetic Coil," introduces an innovative electromagnetic contactor. This device features a conduction angle controlled triac connected in series with an electromagnetic solenoid, effectively managing the current flow. The current is digitized and compared to a stored standard, allowing for precise adjustments to ensure the current matches the desired levels. This patent illustrates Leddy's ability to blend traditional engineering concepts with modern technology to improve performance and reliability.

Career Highlights

Leddy’s professional journey has been marked by his association with Westinghouse Electric Corporation, where he has applied his inventive skills to develop cutting-edge electrical solutions. His role within the company has allowed him to explore new ideas and techniques, fostering an environment of innovation.

Collaborations

Throughout his career, Leddy has worked alongside esteemed colleagues such as Gary F. Saletta and Joseph C. Engel. This collaborative spirit has undoubtedly contributed to the development and refinement of the technologies he has patented, showcasing the importance of teamwork in achieving groundbreaking results.

Conclusion

John G. Leddy stands out as a notable inventor whose contributions to the field of electrical engineering have made a lasting impact. His patents reflect a deep understanding of motor control systems and a commitment to innovation. As technology continues to evolve, Leddy’s work serves as a foundation for future advancements in the industry.