Company Filing History:
Years Active: 2007-2018
Title: The Innovations of Inventor Brian W. Geoffrey
Introduction
Brian W. Geoffrey, an accomplished inventor from New Berlin, WI, has made significant contributions to the field of motor control technology. With two patents to his name, Geoffrey's work focuses on enhancing the efficiency and reliability of variable frequency drives, crucial in various industrial applications.
Latest Patents
Geoffrey's latest patents include:
1. **Motor speed control with speed foldback for phase imbalance protection**
This innovative variable frequency motor drive incorporates a converter with a rectifier that converts AC power to DC. It features a DC bus with capacitors and an inverter that transforms the DC power back to AC to operate the motor. The unique aspect of this invention is its controller, which regulates motor speed based on a speed command and monitors DC bus ripple voltage to enhance performance.
2. **Overvoltage suppression technique for variable frequency drives operating reciprocating loads**
This patent addresses motor control for reciprocating loads by integrating overvoltage suppression features. The system, consisting of a variable frequency drive (VFD) and a sensor for motor torque, allows the control unit to predict negative torque conditions. By adjusting the VFD's operation, this innovation prevents the motor from entering a negative slip condition, thereby enhancing efficiency and safety.
Career Highlights
Throughout his career, Brian W. Geoffrey has been affiliated with notable companies such as Yaskawa Electric America, Inc. and Yaskawa America, Inc. His work in these organizations underscores his expertise in motor control and power electronics, making substantial impacts in these fields.
Collaborations
Geoffrey has collaborated with distinguished professionals such as Mahesh M. Swamy and Yoshiaki Yukihira, further enriching his experience and contributions to innovative motor control technologies. These collaborations have played a pivotal role in advancing various engineering projects and inventions.
Conclusion
Brian W. Geoffrey stands out as a prominent figure in the realm of motor control innovation. His latest patents showcase his commitment to improving motor drive technologies and enhancing industrial efficiency. As he continues to develop new solutions in this field, his contributions will undoubtedly pave the way for future advancements.