Young Hee Han

Title: Young Hee Han: Patents in Flywheel Energy Storage and Superconducting Bearings.

Introduction

Young Hee Han is an inventor associated with Taejon, South Korea. Han’s patent portfolio includes 4 patents, with work focused on energy storage and superconducting bearing technologies.

Latest Patents

Han’s listed patents include “Large Capacity Hollow-Type Flywheel Energy Storage Device.” The invention describes a flywheel energy storage system with a hollow shaft, vacuum chamber, flywheel, and hub. It places a superconductive bearing and an electromagnet bearing inside and outside the hollow shaft, respectively, with a magnetic shield between them. The design aims to reduce magnetic interference, stabilize rotation, and limit energy loss.

Another listed patent is “Outer Rotor Superconductor Journal Bearing.” The invention describes a modular bearing that cools a mechanically fixed superconductor below its critical temperature. Its design seeks to provide strong axial and radial magnetic fixing forces, reduce damage caused by differences in thermal expansion, and simplify assembly, repair, and maintenance.

Career Highlights

Han’s listed company affiliations include Korea Electric Power Corporation and Korea Electric Power Company. The patent technologies described here reflect work on energy storage systems and superconducting components.

Collaborations

Han’s listed coworkers include Thae Kapp Kang and Se Yong Jung. Their names are associated with Han’s professional and patent-related work.

Conclusion

Young Hee Han’s patents address flywheel energy storage and superconducting journal bearings, combining magnetic shielding, rotational stability, and practical maintenance considerations.