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Refrigerator And Its Invention In 1922

Baltzar von Platen (1898-1984) and Carl Munters (1897-1989) has invented refrigerator in 1922. Both were students at the Royal Institute of Technology which is located in Stockholm, Sweden, when they collectively invented and developed the gas absorption refrigerator. It was one of the key invention in twentieth century and its use in food storage is vital, slowing the development of bacteria and keeping food edible for much longer.

Before the invention of refrigerator the only source of storing the food was blocks of ice placed in the box for cooling. Unlike modern fridges, the invention did not require electricity driving a compressor, but relied instead upon an ingenious process whereby a refrigerant gas is put through a series of changes of state. In von Platen's process, ammonia mixed with water is heated until the ammonia evaporates. This gas is then passed through a condenser, which conducts heat away from the pure ammonia until it becomes liquid at a much lower temperature than when mixed with water. This liquid is then passed through brine and cools it, which in turn chills the unit. The ammonia is then returned to a gas and reabsorbed into water so that the process can begin again.

Baltzar von Platen Carl Munters Refrigerator

This gas absorption refrigerator invented by Baltzar von Platen and Carl Munters went into production in 1923 by AB Artic. Soon the popularity of gas absorption refrigerator as came down due to electric refrigerator developed at the same time and dominated the market with more advertisement.