Company Filing History:
2 out of 2 
1 out of 2 Years Active: 2024-2025
Title: Innovations by Tongqin Mao
Introduction
Tongqin Mao is a notable inventor based in Beijing, China. He has made significant contributions to the field of refrigeration and air conditioning, holding a total of 3 patents. His work focuses on innovative solutions that enhance energy efficiency and functionality in climate control systems.
Latest Patents
One of his latest patents is the "Single-stage carbon dioxide multi-split cooling and heating multifunctional central air conditioner." This invention features a single-stage carbon dioxide circulation system that utilizes carbon dioxide as a working medium. The system includes an outdoor unit and multiple end heat exchangers arranged in parallel, allowing for efficient cooling and heating through a circulating process involving a carbon dioxide compressor and various heat exchangers.
Another significant patent is the "Flash closed heat exchanger." This device comprises a closed housing equipped with a negative pressure fan that creates a negative pressure environment inside. A water atomization device is integrated within the housing, which sprays atomized water that evaporates into steam in the negative pressure setting. This innovative approach promotes the evaporation of atomized water, enhancing the efficiency of the heat exchanger.
Career Highlights
Tongqin Mao has worked with reputable companies such as Jingkelun Refrigeration Equipment Co., Ltd. and Beijing Jingkelun Engineering Design and Research Institute Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of refrigeration technology.
Collaborations
He has collaborated with notable colleagues, including Jianguo Yang and Chengjun Zhou, contributing to various projects that aim to advance the technology in their field.
Conclusion
Tongqin Mao's contributions to the field of refrigeration and air conditioning through his innovative patents demonstrate his commitment to enhancing energy efficiency and functionality. His work continues to influence the industry and inspire future innovations.