Company Filing History:
Years Active: 1981-1990
Title: The Innovative Journey of Edward J Schaefer: A Pioneer in Permanent Magnet Technology
Introduction
Edward J Schaefer, an accomplished inventor located in Bluffton, Indiana, has made significant contributions to the field of electric machinery. With a total of 8 patents to his name, Schaefer’s innovative designs are paving the way for advancements in permanent magnet rotor technology.
Latest Patents
Among Schaefer's noteworthy inventions is a patent for a "Method and apparatus for making permanent magnet rotors." This patent describes an ingenious method for assembling a rotor for a rotating electric machine. This rotor comprises a series of permanent magnet segments arranged within a thin-walled metal cylinder. The method allows for the radial displacement of the magnet segments, which can be adjusted using various devices such as an expanding mandrel or tapered rings.
Another key patent in Schaefer's portfolio is for a "Permanent magnet rotor for electric motor." This invention features a rotor shaft and a cylindrical rotor core with arcuate permanent magnets strategically positioned on the core's periphery. A tubular metal sleeve surrounds these magnets, applying residual tension that enhances their performance. The engineering behind these designs showcases Schaefer's expertise and commitment to innovation in electric motor technology.
Career Highlights
Edward J Schaefer is currently associated with Franklin Electric Company, Inc., where he continues to push the boundaries of rotor technology. His ability to integrate theoretical knowledge with practical applications in mechanics has earned him recognition in the field. By developing efficient and innovative rotor designs, Schaefer has cemented his place in the ever-evolving landscape of electric machinery.
Collaborations
Throughout his career, Schaefer has worked alongside talented colleagues, including Thomas K Antrim and Kenneth D George. Their collaborative efforts have undoubtedly enhanced the richness of the projects they undertook, leading to new inventions and refinements in existing technologies.
Conclusion
Edward J Schaefer's journey as an inventor reflects a dedication to innovation in the field of electric machinery. His latest patents, focusing on permanent magnet technologies, demonstrate his ability to solve complex engineering challenges effectively. As he continues his work at Franklin Electric Company, Inc., Schaefer remains a prominent figure whose inventions will likely influence the future of electric motor design.