This inventor holds 1 USPTO granted patent. Top assignees: Petrochina North China Petrochemical Company, Other. Active years: 2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 1 
1 out of 834,570 Years Active: 2013
Title: Cunzhu Liu and Waste-Heat Recovery Innovation
Introduction
Cunzhu Liu is an inventor associated with Hebei, China. His patent work addresses ways to recover useful energy from low-grade heat through absorption processes.
Latest Patents
The provided information lists one patent for Liu: “Method and Apparatus for Waste Heat Recovery and Absorption Gases Used as Working Fluid Therein.”
The invention describes a method and apparatus for generating power or recovering heat from low-grade heat sources. A salt-based absorbent absorbs ammonia or carbon dioxide, and the resulting working fluid is heated in a regenerator. The vaporized, high-pressure gas then expands through a turbine to generate power. After releasing heat, the lower-pressure gas returns to the absorption stage, where it combines with the absorbent to continue the thermodynamic cycle. The patent also addresses the vapor-salt working fluid used in the process.
Career Highlights
Liu is associated with Petrochina North China Petrochemical Company. The supplied information does not specify his role or dates of employment.
Collaborations
Ruiying Cheng and James Gu are identified as Liu’s coworkers. The available information does not detail their specific contributions to the patent.
Conclusion
Cunzhu Liu’s listed patent focuses on converting low-grade heat into useful power through an absorption-based thermodynamic cycle, reflecting an approach to waste-heat recovery.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile