Group 1 - The State Intellectual Property Office of China has reported that Qingdao Haier Special Refrigerator Co., Ltd., Qingdao Haier Intelligent Technology Research and Development Co., Ltd., and Haier Smart Home Co., Ltd. have applied for a patent titled "Refrigeration Equipment" with publication number CN120426672A, filed on February 2024 [1] - The patent application relates to the field of refrigeration technology, disclosing a refrigeration device that includes an inner container designed to hold items in a low-temperature storage space, an outer shell covering the inner container, and a stacked refrigeration system with multiple heat exchange units arranged in the interlayer space [1] - The design of the refrigeration device aims to create a temperature gradient from the inside to the outside, which can reduce the thermal conductivity between the components and slow down the loss of cold energy, thereby improving refrigeration efficiency and achieving energy-saving effects [1] Group 2 - Qingdao Haier Special Refrigerator Co., Ltd. was established in 2001, located in Qingdao, with a registered capital of 401.30 million RMB, and has invested in 4 companies and participated in 1,133 bidding projects [2] - Qingdao Haier Intelligent Technology Research and Development Co., Ltd. was founded in 2014, also located in Qingdao, with a registered capital of 13 million RMB, having invested in 9 companies and participated in 7 bidding projects [2] - Haier Smart Home Co., Ltd. was established in 1994, located in Qingdao, with a registered capital of 9,438.11 million RMB, having invested in 58 companies and participated in 1,712 bidding projects [2]
海尔申请制冷设备专利,可降低相互间的热传导速度