Xiaofei Song

Title: Xiaofei Song’s Patents in Carbon Dioxide Heat Pump Technology.

Introduction

Xiaofei Song is an inventor associated with Suzhou, China, and Jiangsu Sujing Group Co., Ltd. His work includes patent inventions focused on carbon dioxide heat pump systems and hot water supply.

Latest Patents

Song is credited with 2 patents, including two inventions concerning hot water systems that use carbon dioxide as a refrigerant.

“Constant-temperature water supply system employing carbon dioxide heat pump, and control method therefor” describes a system that detects return-water temperatures and directs water into a tank according to its temperature. This approach helps maintain stable temperature layers in the tank and supports a consistent hot water supply.

“Transcritical carbon dioxide single-stage and double-stage compression hot water system and control method therefor” describes a system that can switch between single-stage and double-stage compression in different weather conditions. Its components and control method are designed to support heating capacity and energy efficiency across high- and low-temperature conditions.

Career Highlights

Song’s listed patent work addresses temperature stability, heating performance, and operating efficiency in carbon dioxide heat pump water-heating systems. These inventions reflect engineering approaches to adapting system operation to changing water and ambient conditions.

Collaborations

Song’s listed coworkers include Hao Pan and Dan Xiong. His company affiliation is Jiangsu Sujing Group Co., Ltd.

Conclusion

Xiaofei Song’s two listed patents focus on improving temperature control and adaptable heating performance in carbon dioxide heat pump systems.