Sanhua Intelligent Control has obtained a patent related to refrigerant compression pumps; the electric heater of the refrigerant compression pump assists in low-temperature indoor heating.

March 24 News: According to the State Intellectual Property Office, Zhejiang Sanhua Intelligent Controls Co., Ltd. has applied for a patent titled “Refrigerant Compression Pump, Thermal Management System, and Its Control Method,” with the authorization announcement number CN116804473B, granted on March 20, 2026. The application publication number is CN116804473A, with application number CN202310360620.5, published on March 20, 2026. The application was filed on April 3, 2023. Inventors include Tan Yongxiang, Xu Yungen, and Zhang Yunfang. The patent agency is Suzhou Jiabo Intellectual Property Agency (General Partnership), with patent agent Luo Hongwei. The classification codes are F24F5/00, F24F11/89, F24F11/88, F24F11/84, F24F11/67, F24F11/56.

Patent Abstract: A refrigerant compression pump, thermal management system, and control method. The refrigerant compression pump includes an outer shell motor, compression components, and an electric heater. The shell has refrigerant inlet and outlet ports. The pump features a heating chamber, low-pressure chamber, and high-pressure chamber inside the shell, with the high-pressure chamber connected to the refrigerant outlet. The motor is located in the low-pressure chamber, which communicates with the heating chamber. The motor is connected to the compression components and can drive their operation. The pump has a compression chamber, at least partially formed by the walls of the compression components, which can communicate with the high-pressure chamber. The electric heater is located in the heating chamber, which communicates with the refrigerant inlet. By installing an electric heater inside the refrigerant pump, when the pump operates in a low-temperature state, it can quickly provide indoor heating through the thermal management system.

Sanhua Intelligent Controls: Industry-leading Diversified Component Supplier

Sanhua Intelligent Controls was established on September 10, 1994, and listed on the Shenzhen Stock Exchange on June 7, 2005. The company’s registered and office addresses are both in Shaoxing, Zhejiang Province. It is a leading global supplier of refrigeration, air conditioning electrical components, and automotive parts, with advanced core product technology and significant advantages across the entire industry chain.

Sanhua’s industry classification is “Home Appliances - Home Appliance Parts II - Home Appliance Parts III,” involving concepts such as robotics actuators, Evergrande Group, and Xiaopeng Motors. The company mainly operates in refrigeration and air conditioning electrical components and automotive parts, with two divisions. The refrigeration and air conditioning parts include products like four-way reversing valves; the automotive parts focus on thermal management, including products like thermal expansion valves, with business covering domestic and international markets.

By 2025, Sanhua’s revenue reached 31.012 billion yuan, ranking first in the industry, aligned with the industry average and median. Main business revenue includes 18.585 billion yuan from refrigeration and air conditioning parts (59.93%) and 12.427 billion yuan from automotive parts (40.07%). Net profit was 4.107 billion yuan, also ranking first in the industry, consistent with the industry average and median.

Recent patent applications by Zhejiang Sanhua Intelligent Controls Co., Ltd. are as follows:

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