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  2. Einstein refrigerator - Wikipedia

    en.wikipedia.org/wiki/Einstein_refrigerator

    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 ).

  3. LAZ-4202 - Wikipedia

    en.wikipedia.org/wiki/LAZ-4202

    On the base of the LAZ-42021, a mobile cafeteria modification, the LAZ-4969, was built. It was designated for field service of working teams, like drivers, construction workers and peasants. On the board was a full-fledged kitchen, refrigerator, gas stove, a wash basin, water tanks as well as a lot more useful equipment.

  4. Absorption refrigerator - Wikipedia

    en.wikipedia.org/wiki/Absorption_refrigerator

    An absorption refrigerator is a refrigerator that uses a heat source to provide the energy needed to drive the cooling process. Solar energy, burning a fossil fuel, waste heat from factories, and district heating systems are examples of convenient heat sources that can be used. An absorption refrigerator uses two coolants: the first coolant ...

  5. Refrigerator - Wikipedia

    en.wikipedia.org/wiki/Refrigerator

    Globally. Food in a refrigerator with its door open. A refrigerator, commonly 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 ...

  6. Auto-defrost - Wikipedia

    en.wikipedia.org/wiki/Auto-defrost

    A defrost timer taken out of a household refrigerator. The defrost mechanism in a refrigerator heats the cooling element (evaporator coil) for a short period of time and melts the frost that has formed on it. [ 1] The resulting water drains through a duct at the back of the unit. Defrosting is controlled by an electric or electronic timer.

  7. Pot-in-pot refrigerator - Wikipedia

    en.wikipedia.org/wiki/Pot-in-pot_refrigerator

    Pot-in-pot refrigerator. A pot-in-pot refrigerator, clay pot cooler[ 1] or zeer ( Arabic: زير) is an evaporative cooling refrigeration device which does not use electricity. It uses a porous outer clay pot (lined with wet sand) containing an inner pot (which can be glazed to prevent penetration by the liquid) within which the food is placed.

  8. List of generic and genericized trademarks - Wikipedia

    en.wikipedia.org/wiki/List_of_generic_and...

    The following three lists of generic and genericized trademarks are: marks which were originally legally protected trademarks, but have been genericized and have lost their legal status due to becoming generic terms, marks which have been abandoned and are now generic terms. marks which are still legally protected as trademarks, at least in ...

  9. ENIAC - Wikipedia

    en.wikipedia.org/wiki/ENIAC

    It was Turing-complete and able to solve "a large class of numerical problems" through reprogramming. [ 5 ] [ 6 ] ENIAC was designed by John Mauchly and J. Presper Eckert to calculate artillery firing tables for the United States Army 's Ballistic Research Laboratory (which later became a part of the Army Research Laboratory ).

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