Joseph C Fray

Title: Joseph C. Fray: Innovator in High Voltage Current Limiting Technology

Introduction

Joseph C. Fray is an accomplished inventor based in Turtle Creek, PA (US). He is known for his innovative contributions to electrical engineering, particularly in the field of current limiting technology. His work has significantly impacted the safety and efficiency of electrical circuits.

Latest Patents

Joseph C. Fray holds a patent for a "High Voltage D-C Current Limiter." This invention is designed to protect circuits operating at predetermined driving voltages exceeding 50 volts. The current limiter incorporates a series of PTC resistors, each paired with a zener diode. The configuration ensures that the total voltage capacity limits of the PTC resistors surpass the driving voltage, while the zener diodes maintain a voltage rating lower than the individual PTC resistors' limits.

Career Highlights

Fray is associated with the Westinghouse Air Brake Company, where he has contributed to various projects and innovations. His expertise in electrical engineering has made him a valuable asset to the company and the industry as a whole.

Collaborations

Joseph C. Fray has worked alongside Craig A. Miller, collaborating on projects that leverage their combined expertise in electrical engineering and innovation.

Conclusion

Joseph C. Fray's contributions to the field of electrical engineering, particularly through his patent for a high voltage current limiter, demonstrate his commitment to innovation and safety in electrical systems. His work continues to influence the industry and inspire future advancements.