Sou Hu Cai Jing·2026-02-10 06:40Core Viewpoint - Midea Group has filed an international patent application for a heat recovery system, indicating a focus on innovation in energy efficiency and sustainability [1][2]. Group 1: Patent Application Details - The patent titled "Control Method for Heat Recovery System, and Controller, Heat Recovery System and Storage Medium" was filed under the application number PCT/CN2025/090157, with an international publication date set for February 5, 2026 [1][2]. - The patent includes a control method that determines the operational mode of an indoor unit and manages the temperature of a water tank based on outdoor conditions, aiming to enhance energy recovery [2]. Group 2: R&D Investment and Patent Trends - In 2023, Midea Group has published 25 international patent applications, a decrease of 44.44% compared to the same period last year [3]. - The company invested 8.767 billion yuan in research and development in the first half of 2025, reflecting a year-on-year increase of 14.41% [3].