Dae Gyun Choi

Title: Dae Gyun Choi: Innovator in Construction Machinery

Introduction

Dae Gyun Choi is a notable inventor based in Incheon, South Korea. He has made significant contributions to the field of construction machinery, holding a total of 2 patents. His work focuses on enhancing the efficiency and control of construction equipment, particularly excavators.

Latest Patents

One of Dae Gyun Choi's latest patents is a construction machine and method for controlling a construction machine. This invention discloses a construction machine, such as an excavator, equipped with a hydraulic system. The machine includes a hydraulic pump operated by a driving source to supply a working fluid, an actuator that operates by receiving the working fluid, and a spool that controls the flow of the working fluid. Additionally, it features an operating unit that manages the actuator's operation, a memory unit storing multiple operating speed profiles, and a control unit that adjusts the hydraulic pump's discharge flow rate based on the selected speed profile.

Another significant patent is the pilot signal block assembly for construction machinery and control valve assembly. This assembly consists of at least two base blocks spaced apart in a first direction, with multiple receiving holes designed to move a spool. It also includes cartridge blocks that provide fluid communication for pilot oil and electro-proportional pressure reducing valves that control the opening rate of the signal passage in response to electric control signals.

Career Highlights

Dae Gyun Choi is currently employed at Doosan Infracore Co., Ltd., a leading company in the construction machinery sector. His innovative designs and patents have contributed to the advancement of hydraulic systems in construction equipment, making operations more efficient and reliable.

Collaborations

Throughout his career, Dae Gyun Choi has collaborated with talented individuals such as Ki Yong Kim and Tae Seob Jeong. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies in construction machinery.

Conclusion

Dae Gyun Choi's contributions to the field of construction machinery through his patents and collaborations highlight his role as a key innovator. His work continues to influence the industry, paving the way for more advanced and efficient construction equipment.