Company Filing History:
Years Active: 1976
Title: Michael H Grace: Innovator in Electrical Engineering
Introduction
Michael H Grace is a notable inventor based in Griffith, Indiana, known for his contributions to electrical engineering. He holds a total of 4 patents that showcase his innovative approach to technology and motor control systems. His work has significantly impacted the field, particularly in the design and functionality of traction motors.
Latest Patents
Among his latest patents, one is titled "Forced commutation chopper having current limit." This invention focuses on a forced commutation chopper control that regulates the speed of a DC series tractive motor. It limits peak motor current by sensing the voltage across the commutation capacitor during the on-time of current pulses. The system gates the commutation SCR on in response to a predetermined magnitude of sensed voltage, effectively terminating current pulses to the motor.
Another significant patent is "Time-ratio control having bidirectional speed potentiometer." This invention describes a vehicle driven by a traction motor energized by pulses of current from a battery. The design includes a power switch and forward and reverse contactors to control motor direction. A variable time-ratio control regulates motor speed, utilizing an RC timing circuit in series with a bidirectional speed potentiometer. This innovative approach allows for selective variation of pulse duration, enhancing the vehicle's operational efficiency.
Career Highlights
Michael H Grace is associated with Allis-Chalmers Corporation, where he has made substantial contributions to the field of electrical engineering. His work has been instrumental in advancing technologies related to motor control and efficiency.
Collaborations
Throughout his career, Michael has collaborated with notable colleagues, including Arvin Karazija and Thomas J Finlayson. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.
Conclusion
Michael H Grace's contributions to electrical engineering and motor control systems are commendable. His innovative patents reflect his expertise and dedication to advancing technology in the field. His work continues to influence the industry and inspire future innovations.