Samuel David Ahearn

Title: Innovations of Samuel David Ahearn

Introduction

Samuel David Ahearn is a notable inventor based in Montgomery, GB. He has made significant contributions to the field of power electronics, holding a total of three patents. His work focuses on improving the efficiency and performance of power devices.

Latest Patents

Ahearn's latest patents include a "Method and apparatus for cooling one or more power devices." This invention describes a method for cooling multiple power devices arranged as switches that generate a three-phase output AC voltage. The method identifies switches that require additional cooling based on power device stress data. It controls the switches to apply a common mode component voltage to each phase, ensuring that the phase AC output voltage remains within safe limits.

Another significant patent is the "Method and apparatus for generating a three-phase voltage." This invention outlines techniques to reduce DC ripple voltage in an inverter by determining switching events for each phase during Pulse Width Modulation (PWM) periods. By adjusting the timing of switching events, the invention aims to enhance the overall performance of the inverter.

Career Highlights

Samuel David Ahearn is currently employed at Yasa Limited, where he continues to innovate in the field of power electronics. His work has been instrumental in developing advanced technologies that improve the efficiency of power devices.

Collaborations

Ahearn collaborates with Richard Phillips, contributing to the advancement of their projects and innovations in the industry.

Conclusion

Samuel David Ahearn's contributions to power electronics through his patents and work at Yasa Limited highlight his role as a significant inventor in the field. His innovative methods for cooling power devices and generating three-phase voltage demonstrate his commitment to enhancing technology.