Company Filing History:
Years Active: 1977-1978
Title: Innovations of James N Nash
Introduction
James N Nash is a notable inventor based in New Berlin, WI (US). He has made significant contributions to the field of electric motor control systems. With a total of 3 patents to his name, Nash has demonstrated his expertise and innovative spirit in engineering.
Latest Patents
One of Nash's latest patents is a control system for regulating the torque and speed of an electric motor. This system is specifically designed for an alternating current wound rotor motor used in the traverse drive of an overhead traveling crane. The control system features an SCR bank controlled by a firing circuit that responds to an operator-controlled induction master control. It includes means for deriving a torque signal indicative of instantaneous rotor torque and a speed signal indicative of instantaneous rotor speed. These signals are combined to provide an error signal that operates the firing circuit, ensuring constant motor speed and torque.
Another patent focuses on a similar control system for regulating the speed of an electric motor. This system also utilizes an SCR bank and incorporates means for deriving torque and speed signals. The design ensures that the motor torque remains constant for the selected speed, enhancing the efficiency and reliability of the motor's operation.
Career Highlights
James N Nash is currently employed at Harnischfeger Corporation, where he continues to innovate and develop advanced control systems for electric motors. His work has significantly impacted the efficiency of overhead cranes and other industrial applications.
Collaborations
Nash has collaborated with notable coworkers, including Lester A Price and Ronald W Morters. Their combined expertise has contributed to the successful development of innovative technologies in their field.
Conclusion
James N Nash is a distinguished inventor whose work in electric motor control systems has led to significant advancements in industrial applications. His patents reflect a commitment to innovation and engineering excellence.