Chien-Lung Liu

Title: Innovations by Chien-Lung Liu

Introduction

Chien-Lung Liu is a notable inventor based in Taoyuan City, Taiwan. He has made significant contributions to the field of electric tools, particularly in the area of power management circuits. His innovative designs have the potential to enhance the efficiency and functionality of electric tools.

Latest Patents

Chien-Lung Liu holds a patent for an electric tool and power management circuit. This invention involves an electric tool powered by a battery, which includes a motor, a charging and discharging control circuit, and a motor control circuit. The charging and discharging control circuit is designed to connect to a power adapter and features a direct power supply path linked to both the power adapter and the battery. It is capable of detecting the input current from the power adapter and the first load current flowing to the battery. The circuit calculates an upper limit for a second load current that can be supplied to the motor based on the difference between the input current and the first load current. The motor control circuit, which is connected between the charging and discharging control circuit and the motor, regulates the speed or torque of the motor according to the upper limit of the second load current.

Career Highlights

Chien-Lung Liu is currently employed at Delta Electronics, Inc., where he continues to develop innovative solutions in the field of electric tools. His work has contributed to advancements in power management technologies, making electric tools more efficient and user-friendly.

Collaborations

Chien-Lung Liu collaborates with his coworker, Cheng-Yu Shu, to further enhance their projects and drive innovation within their company.

Conclusion

Chien-Lung Liu's contributions to the field of electric tools and power management circuits demonstrate his commitment to innovation and efficiency. His patent reflects a significant advancement in technology that can benefit users and the industry as a whole.