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Carl Paul Gottfried von Linde (11 June 1842 – 16 November 1934) was a German scientist, engineer, and businessman. He discovered the refrigeration cycle and invented the first industrial-scale air separation and gas liquefaction processes, which led to the first reliable and efficient compressed-ammonia refrigerator in 1876.
The first commercial ice-making machine was invented in 1854. [9] In 1913, refrigerators for home use were invented. [10] In 1923 Frigidaire introduced the first self-contained unit. The introduction of Freon in the 1920s expanded the refrigerator market during the 1930s. Home freezers as separate compartments (larger than necessary just for ...
The Einstein–Szilard or Einstein refrigerator is an absorption refrigerator which has no moving parts, operates at constant pressure, and requires only a heat source to operate. It was jointly invented in 1926 by Albert Einstein and his former student Leó Szilárd , who patented it in the U.S. on November 11, 1930 ( U.S. patent 1,781,541 ).
1950 – Invention of the so-called Gifford-McMahon cooler by K.W. Taconis (patent US2,567,454) 1951 – Heinz London invents the principle of the dilution refrigerator; 1955 – Willi Becker turbomolecular pump concept [15] 1956 – G.K. Walters, W.M. Fairbank, discovery of phase separation in 3He-4He mixtures
With the invention of synthetic refrigerants based mostly on a chlorofluorocarbon (CFC) chemical, safer refrigerators were possible for home and consumer use. Freon led to the development of smaller, lighter, and cheaper refrigerators. The average price of a refrigerator dropped from $275 to $154 with the synthesis of Freon.
Refrigerators from the late 19th century until 1929 used toxic gases, ammonia, methyl chloride, and sulfur dioxide as refrigerants. This new "miracle compound" was co-invented in 1929 by Charles Midgley Jr. and Charles Kettering. [224] 1929 Tampon (applicator) A tampon is a mass of absorbent material into a body cavity or wound to absorb bodily ...
A smart refrigerator is a refrigerator that is able to communicate with the internet. [1] This kind of refrigerator is often designed to automatically determine when particular food items need to be replenished.
Frigidaire was founded as the Guardian Frigerator Company in Fort Wayne, Indiana, and developed the first self-contained refrigerator, invented by Nathaniel B. Wales and Alfred Mellowes in 1916.