Hongtao Liu

Title: Innovations of Hongtao Liu in Energy-Absorbing Technologies

Introduction

Hongtao Liu is a notable inventor based in Sichuan, China. He has made significant contributions to the field of energy-absorbing technologies, holding a total of 2 patents. His work focuses on enhancing the efficiency and safety of various mechanical systems.

Latest Patents

One of his latest patents is an "Active energy-absorbing shock absorber for perforation combined well testing." This innovative device includes a first energy-absorbing mechanism, a second energy-absorbing mechanism, and an axial-force cushioning mechanism. The first mechanism consists of a gun body, a gun head, a gun tail joint, a support frame, an energy-absorbing filling layer, and a detonation mechanism. The second mechanism features an intermediate connecting cylinder, an outer cylinder, a limiting step, a movable impact head, a support base, a hydraulic buffer mechanism, a piston rod, an energy-absorbing spring, and an inner cavity piston. The axial-force cushioning mechanism comprises a housing, a guide mechanism, a buffer shaft, and a multi-stage buffer spring. This absorber is constructed with a multi-layer structure filled with a 7 aluminum material.

Another significant patent is the "Reservoir isolation valve for secondary completion." This invention includes a shell assembly, a sleeve assembly arranged within the shell assembly, and a reset spring positioned between the shell and sleeve assemblies. It also features a movable tube, an inner limit tube, an outer limit tube, an outer bearing socket, an inner bearing socket, a thrust bearing, and a ball valve within the sleeve assembly. The design incorporates a stepped shaft fixed on the ball valve and a transmission mechanism that connects the movable tube to the stepped shaft, allowing for rotation and operation of the startup part.

Career Highlights

Hongtao Liu is affiliated with Southwest Petroleum University, where he continues to advance his research and development in energy-absorbing technologies. His work has garnered attention for its practical applications in the oil and gas industry.

Collaborations

He collaborates with notable colleagues, including Liangliang Ding and Wenkang Chen, contributing to a dynamic research environment that fosters innovation.

Conclusion

Hongtao Liu's contributions to energy-absorbing technologies demonstrate his commitment to advancing mechanical engineering solutions. His patents reflect a deep understanding