Company Filing History:
Years Active: 1987-1994
Title: Innovations by Stephen R. MacMinn
Introduction
Stephen R. MacMinn is a notable inventor based in Schenectady, NY (US). He has made significant contributions to the field of electronically commutated motors, holding a total of 13 patents. His work focuses on enhancing the efficiency and functionality of motor systems through innovative technologies.
Latest Patents
One of his latest patents is a microprocessor-based commutator for electronically commutated motors. This invention provides a mechanism for translating discrete samples of machine angular rotor position information into commutation signals. The commutation control is achieved using shaft position information available only at discrete time instants. A filter and state observer are employed to estimate the mechanical states of the rotating machine, including angular position, velocity, and acceleration. In this patent, a combination of a sliding mode observer and a steady state Kalman filter is utilized to obtain accurate mechanical state estimates.
Another significant patent is a discrete position estimator for a switched reluctance machine. This rotor position estimator employs a flux-current map to determine the actual rotor angle in relation to a reference angle. The flux-current map allows for effective commutation of phase currents relative to the rotor position, enhancing the performance of switched reluctance motors.
Career Highlights
Stephen R. MacMinn has had a distinguished career at General Electric Company, where he has been instrumental in developing advanced motor technologies. His innovative approaches have led to improvements in the efficiency and reliability of motor systems.
Collaborations
Throughout his career, MacMinn has collaborated with notable colleagues, including James Patrick Lyons and Charles Michael Stephens. These collaborations have contributed to the advancement of technologies in the field of electronically commutated motors.
Conclusion
Stephen R. MacMinn's contributions to the field of motor technology through his patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in electronically commutated motors, showcasing the importance of innovation in engineering.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.