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A Servel Robur air conditioner compressor unit on Governor's Island, New York City. Servel was an American manufacturer of heating and cooling appliances, founded in 1922. Founded by Colonel William McCurdy to produce refrigerators and named National Electric Products Company, the company adapted and shortened the name "Servel" from their ...
In 1925, American manufacturer Servel purchased the rights to the Swedish patent for a continuous absorption refrigerator and started to focus on the gas refrigeration market. The company manufactured refrigerators and was the only U.S. manufacturer for many years. [3] [4]
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
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]
Among other closures Servel (which produced refrigerators) went out of business and Chrysler terminated its local operations. The economy was saved from near total collapse by 28 businesses that moved into the area between 1955 and 1963. Among them were Whirlpool, Alcoa and General Electric.
U.S. patent 2,535,682 was issued on December 26, 1950 – Prefabricated refrigerator construction. U.S. patent 2,581,956 was issued on January 8, 1952 – Refrigeration control device. U.S. patent 2,666,298 was issued on January 19, 1954 – Methods and means of defrosting a cold diffuser.
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 ...
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 ).