Location History:
- State College, PA (US) (2005 - 2010)
- Ann Arbor, MI (US) (2014 - 2020)
Company Filing History:
5 out of 8 
2 out of 1,218 
2 out of 5 
Years Active: 2005-2020
Title: The Innovations of Heath Fred Hofmann
Introduction
Heath Fred Hofmann is an accomplished inventor based in State College, PA. With a remarkable portfolio of 16 patents, he stands out in the realm of innovation, particularly in the development of advanced electromechanical systems and electric machines.
Latest Patents
Among Hofmann’s latest contributions to the field is the invention of a brushless, self-excited synchronous field-winding machine. This innovative machine features an AC stator configured with four or more phases to generate independent magnetic fields at varying spatial harmonics. The design incorporates rotor windings that magnetically couple to these different spatial harmonics produced by the AC stator. This configuration allows for the generation of an oscillating field that magnetically couples to the excitation winding on the rotor, inducing AC voltage and resulting in current flow through the rotor’s field winding. The unique approach not only enhances the control over the field current based on the oscillating field's magnitude but also significantly increases the power density of the electric machine compared to conventional designs.
Additionally, Hofmann pioneered the electromechanical flywheel device, which encompasses a flywheel mass combined with a motor-generator. This device features a rotor that may rotate about a stationary inner stator embedded with stator windings, showcasing Hofmann's expertise in integrating mechanical and electrical engineering principles.
Career Highlights
Hofmann has held pivotal roles in various innovative companies. Notably, he has worked with Rotonix Hong Kong Limited, where his contributions undoubtedly shaped the company's advancements in electromechanical systems. He also collaborated with The Penn State Research Foundation, advancing research and innovation within a prestigious academic institution.
Collaborations
Throughout his career, Hofmann has partnered with talented individuals such as Claude Michael Kalev and Claude Khalizadeh. These collaborations have fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies.
Conclusion
Heath Fred Hofmann's contributions to the field of electromechanical engineering and electric machine design are significant. Through his extensive patent portfolio and collaborations, he continues to drive innovation forward, providing solutions that enhance performance and efficiency in technology. His work inspires future inventors and engineers aiming to push the boundaries of what is possible.