This inventor holds 1 USPTO granted patent. Top assignee: Hanyang Hak Won Co., Ltd.. Active years: 2003.
Company Filing History:
Years Active: 2003
Title: Innovator Profile: Junghwan Chang - A Pioneer in Brushless DC Motor Technology
Introduction: Junghwan Chang, an inventive mind based in Seoul, South Korea, has made a significant contribution to the field of electrical engineering with his innovative approach to brushless DC motors. His work exemplifies how targeted advancements in motor technology can lead to improved efficiency and performance.
Latest Patents: Junghwan Chang holds a patent for a "Brushless DC motor with armature windings compensated by auxiliary windings". This invention revolves around enhancing the performance of brushless DC motors by using auxiliary windings wound around linking parts of adjacent teeth of the slotted stator. The innovative design increases the number of effective turns, which, in turn, improves the torque constant and overall efficiency of the motor. This technology features a slotted stator with multiple teeth and main windings concentrically placed around them, complemented by auxiliary windings that support the main windings, alongside a rotor equipped with permanent magnets and a yoke.
Career Highlights: Junghwan Chang currently works with Hanyang Hak Won Co., Ltd., where he continues to explore advancements in motor technology. His dedication and creativity have allowed him to conceive ideas that push the boundaries of traditional designs and contribute to the growing demand for efficient motor solutions.
Collaborations: Throughout his career, Junghwan has collaborated with talented engineers such as Gunhee Jang and Kyungsu Kim. Their joint efforts have fostered a rich environment for innovation and technical development within their projects, leading to advancements that benefit the field of electrical engineering.
Conclusion: Junghwan Chang stands out as a remarkable inventor in the thriving tech landscape of Seoul, South Korea. His focused approach to brushless DC motor technology not only showcases his ingenuity but also adds significant value to the electrical engineering sector. With continued collaboration and innovation, Chang's contributions promise to inspire future developments in motor technologies.