David R Ellingson

Title: David R Ellingson: Innovator in Inverter Technology

Introduction

David R Ellingson is a notable inventor based in Tomah, Wisconsin. He has made significant contributions to the field of inverter technology, particularly with his innovative methods for modulating inverter pulse width. His work has implications for battery-powered systems, enhancing their efficiency and performance.

Latest Patents

Ellingson holds a patent for a "Method and apparatus for modulating inverter pulse width." This invention involves a technique for powering a load through a ferroresonant transformer using a battery-powered inverter. The method includes sensing the current flow through the inverter and transformer, which is then utilized to modulate the inverter's pulse width at a critical point. This modulation occurs after a peak voltage but before saturation begins, ensuring optimal performance when the current slope is near zero. Additionally, the invention features a maximum current limiting capability, enhancing its utility in various applications.

Career Highlights

Throughout his career, David R Ellingson has worked with several companies, including Best Power Technology, Inc. and Pensar Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in inverter technology.

Collaborations

Ellingson has collaborated with notable professionals in his field, including Richard V Baxter, Jr. and Robert F Bourke. These collaborations have likely enriched his work and led to further innovations in the industry.

Conclusion

David R Ellingson is a distinguished inventor whose work in inverter technology has made a lasting impact. His patent for modulating inverter pulse width showcases his innovative approach to enhancing battery-powered systems. His contributions continue to influence the field and inspire future advancements.