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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.
A Crosley IcyBall with cold side ball on left, hot side ball on right. Icyball is a name given to two early refrigerators, one made by Australian Sir Edward Hallstrom in 1923, and the other design patented by David Forbes Keith of Toronto (filed 1927, granted 1929), [1] [2] and manufactured by American Powel Crosley Jr., who bought the rights to the device.
1920 newspaper ad featuring Wales' Kelvinator refrigerator. Nathaniel Brackett Wales (11 July 1883, Braintree, Massachusetts – November 15, 1974) was an American inventor credited with early patents on refrigerators, washers, vacuum cleaners, and co-inventor with his son of the proximity detonator used in bombs in World War II.
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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 ).
1920 – Edmund Copeland and Harry Edwards use iso-butane in small refrigerators. 1922 – Baltzar von Platen and Carl Munters invent the 3 fluids absorption chiller, exclusively driven by heat. 1924 – Fernand Holweck – the Holweck pump; 1926 – Albert Einstein and Leó Szilárd invent the Einstein refrigerator.
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. The selection they offer includes traditional Top Freezer models, as well as more modern Side-By-Side and French Door styles.
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 ...