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Food in a refrigerator with its door open. A refrigerator, commonly shortened to fridge, is a commercial and home appliance consisting of a thermally insulated compartment and a heat pump (mechanical, electronic or chemical) that transfers heat from its inside to its external environment so that its inside is cooled to a temperature below the room temperature. [1]
Refrigeration has thus rapidly evolved in the past century, from ice harvesting to temperature-controlled rail cars, refrigerator trucks, and ubiquitous refrigerators and freezers in both stores and homes in many countries. The introduction of refrigerated rail cars contributed to the settlement of areas that were not on earlier main transport ...
Icebox used in cafés of Paris in the late 1800s. An icebox (also called a cold closet) is a compact non-mechanical refrigerator which was a common early-twentieth-century kitchen appliance before the development of safely powered refrigeration devices.
Modern refrigerators are still called yakhchal in Persian. c. 60 AD – Hero of Alexandria knew of the principle that certain substances, notably air, expand and contract and described a demonstration in which a closed tube partially filled with air had its end in a container of water. [ 3 ]
Frigidaire refrigerator at the Hallwyl Museum 1922 Frigidaire "iceless" refrigerator newspaper ad. Frigidaire oven with "Division of General Motors" on the front. Frigidaire also produces a wide variety of refrigerators and freezers for the consumer market. Their model line-up includes refrigerator freezer units of several different types.
DOMELRE refrigerator advertisement from 1914 DOMELRE refrigerator c. 1914 ISKO advertisement from Good Housekeeping 1917. DOMELRE (an acronym of Domestic Electric Refrigerator) was one of the first domestic electrical refrigerators, invented by Frederick William Wolf Jr. (1879–1954) in 1913 and produced starting in 1914 by Wolf's Mechanical Refrigerator Company in Chicago.
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 ).
Kelvinator ad from 1920 Kelvinator refrigerator, c. 1926. The enterprise was established on September 18, 1914, in Detroit, Michigan, United States, by engineer Nathaniel B. Wales, who introduced his idea for a practical electric refrigeration unit for the home to Edmund Copeland and Arnold Goss.