Company Filing History:
1 out of 12 
1 out of 94 
Years Active: 1998-1999
Title: Innovations by Yang Goo Lee
Introduction
Yang Goo Lee is a notable inventor based in Changwon, South Korea. He has made significant contributions to the field of construction vehicle technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of hydraulic systems in construction machinery.
Latest Patents
Yang Goo Lee's latest patents include a "Variable-regeneration directional control valve for construction vehicles" and a "Fluid regeneration device for construction vehicles." The variable-regeneration directional control valve features a pressure control mechanism that manages the opposite pressure caused by the elasticity of a valve spring. This innovative design allows for improved control of hydraulic pressure, enhancing the performance of construction vehicles. The fluid regeneration device incorporates an orifice on the return-side internal line of a directional control valve, enabling the selective feeding of return fluid to the supply-side internal line. This design not only regulates the actuator's moving speed but also prevents high pressure in the fluid supply line.
Career Highlights
Throughout his career, Yang Goo Lee has worked with prominent companies such as Volvo Construction Equipment Korea Co., Ltd. and Samsung Heavy Industries Co., Ltd. His experience in these organizations has contributed to his expertise in hydraulic systems and construction vehicle technology.
Collaborations
Yang Goo Lee has collaborated with fellow inventor Tae Seung Chung, further enhancing his innovative projects and contributions to the industry.
Conclusion
Yang Goo Lee's inventions reflect his dedication to improving construction vehicle technology through innovative hydraulic solutions. His patents demonstrate a commitment to enhancing efficiency and functionality in the field.