How many patents can a refrigeration compressor accumulate? This year's answer is 469 items.
Release time：2025-07-01
Since 1966, Dongbei has remained true to its original aspiration for 58 years, revolving around refrigeration compressors. Through the research and development of key core technologies and the active implementation of the "dual carbon" strategy, Dongbei compressors have been sold in over 60 countries and regions including the United States, Germany, Turkey, and Brazil. The production and sales volume of a single brand have led the world for many consecutive years.
Dongbei has many patents to make refrigerators "quieter". The patent for "A Vibration Damping Support Structure for Compressor Core and a Compressor", which was authorized in February 2025, has been widely applied in Dongbei's series of products. Cao Xuanwei, one of the patent inventors and the product development director of Dongbei Frequency Conversion, introduced that this invention effectively solves the problems of vibration and noise generated by vibration between the existing compressor core and the supporting structure. The "Separated Insulation Exhaust Muffler Cavity Technology and the Refrigeration Compressor Applying It" has successively been granted invention patents in 9 countries in Europe and America.
Making the refrigerator more "calm" is the most direct driving force for Dongbei's patent application. Today, Dongbei has successfully developed a refrigeration compressor capable of operating at -86 ℃ and has successfully passed the verification of well-known customers such as Midea. In the field of scientific research, Dongbei has also achieved a breakthrough in ultra-low temperature technology at -200 ℃.
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