Chun Han Lee

Title: Innovations of Chun Han Lee in Hybrid Construction Machinery

Introduction

Chun Han Lee is a notable inventor based in Gimhae-si, South Korea. He has made significant contributions to the field of hybrid construction machinery, holding a total of four patents. His work focuses on enhancing the efficiency and performance of construction equipment through innovative engineering solutions.

Latest Patents

One of Chun Han Lee's latest patents is a system and method for controlling engine revolutions for hybrid construction machines. This invention includes an engine and a hydraulic pump driven by the engine to operate a hydraulic actuator. The system also features a motor-generator that generates electricity and drives the hydraulic pump, supplementing the engine's power. An energy storage device is charged with the electric energy produced by the motor-generator, which is then used for the motor operation. Additionally, a torque detection unit monitors the output torque of the hydraulic pump, while a hybrid control unit manages the motor operation to ensure optimal engine performance.

Career Highlights

Chun Han Lee is currently employed at Volvo Construction Equipment Holding Sweden AB, where he continues to develop innovative solutions for the construction industry. His expertise in hybrid systems has positioned him as a key player in advancing technology in this sector.

Collaborations

Chun Han Lee collaborates with talented colleagues, including Jong Min Kang and Ahn Kyun Jung, who contribute to his projects and innovations. Their teamwork fosters a creative environment that enhances the development of cutting-edge technologies.

Conclusion

Chun Han Lee's contributions to hybrid construction machinery exemplify the impact of innovation in engineering. His patents reflect a commitment to improving efficiency and performance in the industry.