Tekniska Museet
100 Innovations - Tekniska museet

An exhibition at the National Museum of Science and Technology in Stockholm, 2012 – 2018

The refrigerator

The refrigerator

Ingress för att beskriva innovationen

The refrigerator

Thanks to the refrigerator foodstuffs can be stored for longer periods without spoiling. Photo: Ellinor Algin.

the refrigerator

An older refrigerator manufactured by Electrolux. Photo: Electrolux archive, Centre for Business History.

Kort fakta om innovationen

Kort fakta (2) om innovationen

Rubrik för små genier

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The refrigerator

In 1922 the KTH Royal Institute of Technology students, Carl Munters and Baltzar von Platen, launched a thesis which attracted much attention — a quiet refrigerator according to the "cool by heat" principle. It was launched by Electrolux in 1925 and became a success in modern homes with electricity and good economy.

Refrigeration technology works by moving heat. For this a pump is needed and a refrigerant, a substance which alternates between liquid and gas. When the liquid becomes gas heat is needed. This is taken from the air in the refrigerator which then becomes colder. Today the best refrigerators use 70 % less electricity than a refrigerator 15 years ago.

Rubrik för nördar

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