Who invented the first refrigerator?

1834, American engineer Jacob? Perkins invented the world's first compression refrigeration device, which is the embryonic form of modern compression refrigeration system. In the same year, Perkins obtained the first patent of freezer issued by Britain.

19 13, Chicago, USA, developed the world's earliest household refrigerator. This kind of refrigerator named "Dumel" is made of wood and has a compression refrigeration system installed inside, but the use effect is not ideal.

19 18, Cobrand engineers from ke-lvznator company in the United States designed and manufactured the world's first mechanical refrigeration automatic household refrigerator. This kind of refrigerator is huge, the shell is made of wood, the insulation material is a mixture of seaweed and sawdust, and the compressor is water-cooled and noisy. However, its birth announced that the development of household refrigerators has entered a new stage.