Carl Munters

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Carl Georg Munters
Born 22 March 1897
Dala-Järna, Kopparbergs län, Sweden
Died 1989

Carl Georg Munters (22 March 1897 – 1989) was a Swedish inventor, most known for inventing together with Baltzar von Platen the gas absorption refrigerator now sold by Electrolux. He also invented and patented a method of making foamed plastic, which was later rediscovered by Dow Chemical Company and used to make styrofoam.[1]

Personal life[edit]

He was born in Dala-Järna, Kopparbergs län, Sweden, the son of engineer Anders Johan Munters and Hilman Bernhardina Helling. He graduated from KTH in 1922. Munters married Anna Eugenia Geralf in 1925 and Marianne Warkander in 1951.


Together with Baltzar von Platen and John Tandberg, Munters invented the gas absorption refrigerator for domestic use. His intention was to create an easy-to-use refrigerator without any moving parts. The technique produced "cold" from a heat source such as propane, electricity, or kerosene. The team rented a room and worked into the wee hours. They slept in the mornings and cut classes from the Royal Institute of Technology where they were students at the time. It took them about a year to create a first prototype that worked with self-circulation. The prototype still had one moving part, a ball valve, and was big and clumsy. Eventually the prototype was improved and their cooling solution was a world sensation.[citation needed] Albert Einstein once mentioned how astonished he was by their ingenious solution.[citation needed]

The manufacturing of the refrigerator was begun in 1923 by the company AB Arctic. In 1925, development was finished, and the company was bought out by Electrolux.

Other inventions[edit]

After inventing foamed plastic, he started his own company in 1955[2] and developed, among other things, new insulation materials, air conditioners and dehumidification devices. At his death, Munters had over a thousand patents.[3]


  1. ^ Boundy, Ray H.; J. Lawrence Amos (1990). A History of the Dow Chemical Physics Lab. New York: Marcel Dekker, Inc. pp. 117–128. ISBN 0-8247-8097-3. 
  2. ^ "History". (official company website). Retrieved 2010-08-28. 
  3. ^ "Munters company in Russia". Retrieved 2013-07-29.