According to the news of Securities Star, according to the data of Tianyancha APP, Gree Electric (000651) has obtained a new invention patent authorization, the patent name is "an air conditioning system and its control method", the patent application number is CN202111572733.9, and the authorization date is November 19, 2024.
Patent Abstract: The invention discloses an air conditioning system and its control method. The indoor unit of the air conditioning system is connected with the outdoor unit by three pipes, and the indoor unit includes a supercooling device, which uses the refrigerant evaporated from the indoor unit to cool the refrigerant before evaporation and increase the supercooling degree of the refrigerant before evaporation. The supercooling device comprises a supercooler, one side of the supercooler is communicated with the liquid pipe, the inlet of the other side is respectively communicated with the first gas pipe and the second gas pipe through a first branch, and the outlet is communicated with the second gas pipe through a second branch, wherein the first branch is provided with a first electric valve between the connection nodes of the first gas pipe and the second gas pipe, and the second gas pipe is provided with a second electric valve between the connection nodes of the first branch and the second branch, and the second branch is
Since the beginning of this year, 5,778 new patents have been granted in Gree Electric, an increase of 55.24% over the same period last year. Combined with the financial data of the company’s mid-year report in 2024, the company invested 3.532 billion yuan in research and development in the first half of this year, a year-on-year decrease of 0.35%.
Source: Tianyancha APP
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