Company Filing History:
3 out of 86 
1 out of 117 
1 out of 1 Years Active: 1982-1987
Title: The Innovative Contributions of Daniel J MacDonald
Introduction
Daniel J MacDonald is a notable inventor based in Brookfield, Wisconsin. He has made significant contributions to the field of engineering, particularly in the area of eddy current couplings and stator winding configurations. With a total of five patents to his name, MacDonald has demonstrated a commitment to innovation and technological advancement.
Latest Patents
One of MacDonald's latest patents is for an eddy current coupling featuring a stepped rotor and coil support. This invention includes a field coil designed to magnetically couple an inductor drum and rotor. The supporting arm for the coil increases in thickness in a step-wise manner, enhancing the flux passage and heat removal characteristics of the coupling. Another recent patent involves a stator winding configuration that provides a magnetomotive force wave with reduced harmonics. This design employs graded, overlapping stator winding coil groups, optimizing the performance of the stator core.
Career Highlights
Throughout his career, MacDonald has worked with several prominent companies, including Litton Industrial Products, Inc. and Magnetek, Inc. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
MacDonald has collaborated with several professionals in his field, including his coworker Thomas H Jones. These partnerships have likely played a role in the development of his patents and innovations.
Conclusion
Daniel J MacDonald is a distinguished inventor whose work has significantly impacted the engineering landscape. His innovative patents and career achievements reflect his dedication to advancing technology and improving existing systems.