美的取得风道蜗壳和空调器专利，增大出风量

Group 1 - Guangdong Midea Refrigeration Equipment Co., Ltd. has obtained a patent for a "wind duct volute and air conditioner," with the authorization announcement number CN223257125U, applied on September 2024 [1] - The patent describes a wind duct volute that includes a volute body and a backflow prevention structure, aimed at improving the performance of air conditioners by reducing airflow loss and increasing output [1] - The design features a toothed groove structure on the tongue of the volute, which helps to address issues related to injection molding defects and deformation [1] Group 2 - Guangdong Midea Refrigeration Equipment Co., Ltd. was established in 2004 and is located in Foshan, primarily engaged in the manufacturing of electrical machinery and equipment [2] - The company has a registered capital of 85.4 million RMB and has made investments in five enterprises, participated in 5,000 bidding projects, and holds 5000 patent records [2] - Additionally, the company has 333 trademark records and 220 administrative licenses [2]