Company Filing History:
Years Active: 2019-2021
Title: Da-Hee Sim: Innovator in Resolver Technology
Introduction
Da-Hee Sim is a prominent inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of resolver technology, holding a total of 5 patents. His work focuses on improving measurement precision and reducing manufacturing costs in resolver design.
Latest Patents
One of Da-Hee Sim's latest patents involves a resolver that includes a stator with at least one excitation coil and one output coil. The rotor is positioned at the center of the stator with a predetermined gap, allowing it to rotate based on a rotary shaft. This design changes the gap permeance with respect to the stator, preventing magnetic saturation and enhancing measurement precision. The area ratio between the stator and rotor is defined to be between 0.22 and 0.37, ensuring optimal performance without increasing the size or weight of the resolver. Another patent describes a resolver with a stator made of magnetic material, featuring a plurality of teeth and slots. Insulation covers are mounted on the stator, and coils are wound on the teeth, with a coil occupying ratio per slot defined to be 35% or below.
Career Highlights
Da-Hee Sim is currently employed at LS Automotive Technologies Co., Ltd., where he continues to innovate in the field of automotive technology. His work has been instrumental in advancing resolver designs that are both efficient and cost-effective.
Collaborations
Throughout his career, Da-Hee Sim has collaborated with notable colleagues, including Seong-Wook Lee and Byung-Cheol Na. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Da-Hee Sim's contributions to resolver technology exemplify his commitment to innovation and excellence in engineering. His patents reflect a deep understanding of the complexities involved in resolver design, making him a valuable asset in the field.