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2. Auto-defrost - Wikipedia

   en.wikipedia.org/wiki/Auto-defrost

   While this technique was originally applied to the refrigerator compartment, it was later used for freezer compartment as well. A combined refrigerator/freezer which applies self-defrosting to the refrigerator compartment only is usually called "partial frost free" or semi-automatic defrost (some brands call these "Auto Defrost" while Frigidaire referred to their semi-automatic models as ...

3. Defrosting (refrigeration) - Wikipedia

   en.wikipedia.org/wiki/Defrosting_(refrigeration)

   Furthermore, as the ice builds up it takes increasing space from within the cabinet - reducing the space available for food storage. Many newer units employ automatic defrosting (often called "frost-free" or "no frost") and do not require manual defrosting in normal use. Although, in some cases, users of Frost Free fridge/freezers have noted ...

4. Kelvinator - Wikipedia

   en.wikipedia.org/wiki/Kelvinator

   Kelvinator introduced the first auto-defrost models. [17] [18] Kelvinator refrigerators included shelves on the inside of their doors and special compartments for frozen juice containers in the freezer. [17] It also pioneered the side-by-side refrigerator freezer, the Foodarama series, in the mid-1950s.

5. Refrigerator - Wikipedia

   en.wikipedia.org/wiki/Refrigerator

   The freezer-over-refrigerator style had been the basic style since the 1940s, until modern, side-by-side refrigerators broke the trend. A vapor compression cycle is used in most household refrigerators, refrigerator–freezers and freezers. Newer refrigerators may include automatic defrosting, chilled water, and ice from a dispenser in the door.

6. Refrigeration - Wikipedia

   en.wikipedia.org/wiki/Refrigeration

   An 1870 refrigerator car design. Hatches in the roof provided access to the tanks for the storage of harvested ice at each end. Icemaker Patent by Andrew Muhl, dated December 12, 1871. In 1842, John Gorrie created a system capable of refrigerating water to produce ice. Although it was a commercial failure, it inspired scientists and inventors ...

7. Cascade refrigeration - Wikipedia

   en.wikipedia.org/wiki/Cascade_refrigeration

   Both types can be used in the same system, generally with the separate cycles being the first stage(s) and the auto-cascade being the last stage. Peltier coolers may also be cascaded into a multi-stage system to achieve lower temperatures. Here, the hot side of the first Peltier cooler is cooled by the cold side of the second Peltier cooler ...