1000BC
The Chinese preserved food in ice
Early 19th Century
Iceboxes were used in England
1748
Dr William Cullen studied evaporation of liquids in a vacuum
Early 1800's
Michael Farady liquidified ammonia to cause cooling, todays compression refrigeration system operate on Farady's experiments
1834
American inventor, Jacob Perkins obtained the first patent, a vapor compressions cycle
1879
Improved refrigerator designs patented in US by Thomas Elkins, & John Standard
1911
GE unveiled the first home refrigerator units invented by a French Monk
1916
Home refrigerators introduced to the US. Compressors were driven by belts attached to motors located in the basement or in adjoining room
1918
Kelvinator introduced first fridge with a type of auto control
1922
Wooden cabinet with a water-cooled compressor
1923
Frigidaire introduced the first self-contained unit & chlorofluorocarbons were developed
1920's & 30's
Consumers were introduced to freezers when the first electric refrigerator came with ice cube compartments
After WWII
Mass production of modern refrigerators
1930
Freon 12 was used to replace sulphur dioxide
50's & 60's
Innovations like automatic defrost & automatic ice makers first appeared
70's & 80's
Energy efficient refrigerators & elimination of chlorofluorocarbons in refrigerator sealed systems
1994
GE first freestanding side by side refrigerator, world's largest & most space efficient
Today
Automatic defrosting, chilled water & ice available from an indoor station so the door need not be opened, cabinet rollers hat allow the refrigerator to be easily rolled around for easy cleaning, adjustable shelves & trays, cooling zones, easy clean stainless steel
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