Inventors

Annotations:

• The first known artificial refrigeration 

1. Oliver Evans in 1805

   Annotations:

   • An American inventor. He designed the first refigeration machine 
   1. Jacob Perkins in 1834

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      •  The first practical refrigerating machine was built by  he 
      1. it used ether in a vapor compression cycle.
      2. John Gorrie in 1844

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         • He built a refriferator based on Oliver Evans' design to make ice to cool the air for his yellow fever patients.  
         1. Carl von Linden

            Annotations:

            • he didn't patent the refrigerator but the process of liquifying gas in 1876 that is part of basic refrigeration technology.