Guojun Liu

Title: Guojun Liu: Innovator in Power Generation Technologies

Introduction

Guojun Liu is a prominent inventor based in Beijing, China. He has made significant contributions to the field of power generation technologies, holding a total of 2 patents. His innovative work focuses on enhancing the efficiency and safety of power systems.

Latest Patents

One of Guojun Liu's latest patents is the "Expandable Liner Hanger." This invention discloses an expandable liner hanger system that comprises a central pipe and an expandable pipe, with an expansion cone positioned between them. The expansion cone is designed to be movable along the central pipe, allowing the expandable pipe to expand effectively. The system includes an expansion cone seat that moves along the central pipe and an expansion cone sleeve fitted over the expansion cone seat. This configuration enables the expandable pipe to be expanded while ensuring that the central pipe can drive the expansion cone seat to disengage from the expansion cone sleeve.

Another notable patent is the "Detection System and Detection Method of Distributed Generation Islanding Based on Power Frequency Carrier." This detection system includes a power frequency carrier signal generating device, a detection device, a signal coupling transformer, a substation bus, and a distribution power generator. The system is designed to monitor and ensure the safety of distributed generation systems by utilizing a power frequency carrier signal.

Career Highlights

Guojun Liu has worked with several reputable companies throughout his career. He has been associated with CNPC Engineering Technology R&D Company Limited and the State Grid Corporation of China. His experience in these organizations has allowed him to develop and refine his innovative ideas in power generation technologies.

Collaborations

Guojun Liu has collaborated with notable professionals in his field, including Quanli Zhang and Hongwei Yin. These collaborations have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Guojun Liu is a distinguished inventor whose work in power generation technologies has led to significant advancements in the field. His innovative patents reflect his commitment to improving the efficiency and safety of power systems. His contributions continue to influence the industry positively.