Refrigerated Air
 |
 NEW No Leaf Air Condition Mini Portable Refrigeration Bladeless Fan USB Desktop $8.89 Time Remaining: 13d 9h 10m Buy It Now for only: $8.89 |
 New Original Box Oreck XJ 100 Refrigerator Air Purifier OEM Mini Small Compact $0.99 (1 Bid) Time Remaining: 1h 3m |
 CENTRAL AIR 25 INSULATED LINE SET REFRIGERATION TUBING $109.98 Time Remaining: 2d 20h 58m Buy It Now for only: $109.98 |
 USB Desktop No Leaf Air Condition Bladeless Mini Portable Refrigeration fans $8.98 Time Remaining: 23h 31m Buy It Now for only: $8.98 |
 No Leaf Air Condition Bladeless Refrigeration Table Fans 10 Silver Lower Noise $99.00 Time Remaining: 12d 9h 46m Buy It Now for only: $99.00 |
 NEW IONIC FRIDGE AIR PURIFIER OZONE CLEANER REFRIGERATOR DEODORIZER $19.99 Time Remaining: 2h 55m |
 NEW No Leaf Air Condition Mini Portable Refrigeration Bladeless Fan USB Desktop $10.99 Time Remaining: 1h 18m Buy It Now for only: $10.99 |
 4 Color NEW No Leaf Air Condition Mini Portable Refrigeration Fan USB Desktop $7.89 Time Remaining: 18d 22h 54m Buy It Now for only: $7.89 |
 No leaf air condition Bladeless mini Portable Refrigeration fans USB desktop $11.55 Time Remaining: 16d 22h 8m Buy It Now for only: $11.55 |
 USB Desktop No Leaf Air Condition Bladeless Mini Portable Refrigeration fans $7.79 Time Remaining: 7d 21h 1m Buy It Now for only: $7.79 |
 New No leaf air condition Bladeless mini Portable Refrigeration fans USB desktop $0.99 Time Remaining: 8h 42m |
 Portable No Leaf Air Condition Conditioner Mini Hand held Refrigeration USB fan $8.99 Time Remaining: 12d 9h 45m Buy It Now for only: $8.99 |
 30g Bamboo Charcoal Activated carbon Air Odor Filtration for Car Refrigerator $0.99 Time Remaining: 17d 17h 43m Buy It Now for only: $0.99 |
 No Leaf Air Condition Conditioner Mini Hand held Refrigeration Fan USB Desktop $14.99 Time Remaining: 29d 11h 49m Buy It Now for only: $14.99 |
 USB Desktop No Leaf Air Condition Bladeless Mini Portable Refrigeration fans $7.00 (7 Bids) Time Remaining: 20h 52m |
 No leaf air condition Bladeless miniPortable Refrigeration fans USBdesktop green $11.88 Time Remaining: 21d 13h 19m Buy It Now for only: $11.88 |
 Air Purifier Cleaner Refrigerator Ozone Deodorizer Kitchen Fresh Fridge Max 05W $13.55 Time Remaining: 12d 15h 2m Buy It Now for only: $13.55 |
 No leaf air condition Bladeless miniPortable Refrigeration fans USBdesktop green $11.88 Time Remaining: 29d 7h 53m Buy It Now for only: $11.88 |
 Air Conditioner Portable Perfect Aire 10000 BTU Model10000PPAC Refrigerated NEW $250.00 Time Remaining: 6d 58m Buy It Now for only: $250.00 |
 Green No leaf air condition Bladeless mini Refrigeration fans USBdesktop $8.88 Time Remaining: 20h 56m |
 No leaf air condition Bladeless mini Portable Refrigeration fans USB desktop $7.89 Time Remaining: 21d 14m Buy It Now for only: $7.89 |
 No leaf air condition Bladeless mini Portable Refrigeration fans USB desktop $10.99 Time Remaining: 20h 22m Buy It Now for only: $10.99 |
 10 Inch Silver Air Condition Bladeless Refrigeration Multiplier Table Fan $99.00 Time Remaining: 13d 23h 8m Buy It Now for only: $99.00 |
 Purple USB Desktop No Leaf Air Condition Bladeless Portable Refrigeration fan $3.25 (7 Bids) Time Remaining: 1d 32m |
 Gray Electronic Refrigerator Air Purifier Fresh Ozone $6.70 Time Remaining: 13d 9h 16m Buy It Now for only: $6.70 |
 1943 Ad Carrier Air Conditioning Refrigeration Household Appliances WWII Wartime $36.95 Time Remaining: 27d 4h 30m Buy It Now for only: $36.95 |
 4 Color NEW No Leaf Air Condition Mini Portable Refrigeration Fan USB Desktop $7.99 Time Remaining: 24d 22h 7m Buy It Now for only: $7.99 |
 Refrigerator Air Ionizer + Ozone Generator $29.99 Time Remaining: 18d 22h 13m Buy It Now for only: $29.99 |
 Green USB Desktop No Leaf Air Condition Bladeless Portable Refrigeration fan $5.50 (2 Bids) Time Remaining: 1d 20h 47m |
 USBBatteries No Leaf Cooling Air Condition Portable Refrigeration Fan $6.99 Time Remaining: 26d 14h 35m Buy It Now for only: $6.99 |
 Portable No leaf air condition conditioner mini hand held refrigeration USB fan $8.99 Time Remaining: 2d 14h 40m Buy It Now for only: $8.99 |
 Air Purifier Ionizer For Refrigerator Closet $19.79 Time Remaining: 10d 19h 25m Buy It Now for only: $19.79 |
 Pink USB Desktop No Leaf Air Condition Bladeless Portable Refrigeration fan $3.10 (8 Bids) Time Remaining: 1d 20h 48m |
 Air Purifier Cleaner Refrigerator Kitchen Fresh Fridge $11.02 Time Remaining: 16d 15h 48m Buy It Now for only: $11.02 |
 R11 RX11 Flush Air Conditioning Refrigeration Flush $133.91 Time Remaining: 23d Buy It Now for only: $133.91 |
 No Leaf Air Condition Mini Portable Bladeless Refrigeration Fan With USB Cable $8.99 Time Remaining: 9d 16h 52m Buy It Now for only: $8.99 |
 Air Fresh Purifier Fridge Cleaner Refrigerator Kitchen $11.06 Time Remaining: 18d 13h 14m Buy It Now for only: $11.06 |
 New Original Box Oreck XJ 100 Refrigerator Air Purifier OEM Mini Small Compact $0.99 (1 Bid) Time Remaining: 2d 1h 3m |
 Air Purifier Ionizer For Refrigerator Closet $19.79 Time Remaining: 7d 3h 59m Buy It Now for only: $19.79 |
 Refrigerator Air Purifier Maintains Freshness Healthy Ozone generator $24.99 Time Remaining: 7d 21h 51m Buy It Now for only: $24.99 |
 1942 Ad World War II Effort Soldiers Refrigerated Food Carrier Air Conditioning $38.95 Time Remaining: 28d 10h 52m Buy It Now for only: $38.95 |
 New Original Box Oreck XJ 100 Refrigerator Air Purifier OEM Mini Small Compact $0.99 (1 Bid) Time Remaining: 2d 6h 40m |
 Refrigerator Odor Absorber Batteries Operated Air Purifier $25.04 Time Remaining: 16d 16h 55m Buy It Now for only: $25.04 |
 1933 Ad Frigidaire Refrigerated Air System Unit GMC ORIGINAL ADVERTISING $41.95 Time Remaining: 27d 3h 9m Buy It Now for only: $41.95 |
 No leaf air condition conditioner mini hand held refrigeration fan USB desktop $7.53 Time Remaining: 1d 14h 29m Buy It Now for only: $7.53 |
 Air Purifier Ionic Ionizer For Refrigerator $20.39 Time Remaining: 10d 19h 25m Buy It Now for only: $20.39 |
 Purpel USB Desktop No Leaf Air Condition Bladeless Portable Refrigeration fan $3.25 (4 Bids) Time Remaining: 2d 8h 22m |
 10 Rould Shape No Leaf Air Condition Bladeless Refrigeration Table Fans Silver $109.00 Time Remaining: 14d 8h 35m Buy It Now for only: $109.00 |
 1937 Ad York Air Conditioning Refrigeration Cooling ORIGINAL ADVERTISING $38.95 Time Remaining: 27d 3h 35m Buy It Now for only: $38.95 |
 Refrigerator Freshener Deodorizer Fresh Air Ionic Ozone $12.34 Time Remaining: 8d 1h 3m Buy It Now for only: $12.34 |
 1941 Ad York Air Conditioning Refrigeration WWII War Defense Factory Blackouts $37.95 Time Remaining: 27d 4h 25m Buy It Now for only: $37.95 |
 blue Noleaf air condition Bladeless mini Portable Refrigeration fans USB desktop $4.99 (1 Bid) Time Remaining: 2d 20h 2m |
 No leaf air condition conditioner mini hand held refrigeration fan USB desktop $7.34 Time Remaining: 16d 14h 50m Buy It Now for only: $7.34 |
 1945 Ad York Refrigeration Air Conditioning WWII Production Mechanical Cooling $36.95 Time Remaining: 28d 11h 23m Buy It Now for only: $36.95 |
 1942 Ad York Refrigeration Air Conditioning WWII S E Lauer Wartime Quote PA $40.95 Time Remaining: 28d 10h 54m Buy It Now for only: $40.95 |
 Pink USB Desktop No Leaf Air Condition Bladeless Portable Refrigeration fan $0.01 (1 Bid) Time Remaining: 2d 20h 48m |
 Refrigerator Fresh Ozone Air Purifier Kitchen Fridge Io $11.53 Time Remaining: 16d 15h 40m Buy It Now for only: $11.53 |
 NEW No Leaf Air Condition Mini Portable Refrigeration Bladeless Fan USB Desktop $10.99 Time Remaining: 13d 9h 19m Buy It Now for only: $10.99 |
 New Battery Operated Ionic Air Freshener Deodorizer For Refrigerator L $11.30 Time Remaining: 5d 15h 49m Buy It Now for only: $11.30 |
 Air Purifier Ionic Ionizer For Refrigerator $20.39 Time Remaining: 7d 22h 24m Buy It Now for only: $20.39 |
 No leaf air condition Bladeless mini Portable Refrigeration fans USB desktop Blu $0.99 (1 Bid) Time Remaining: 2d 21h 47m |
 R11 RX11 Flush Air Conditioning Refrigeration Flush $68.10 Time Remaining: 23d 7h 30m Buy It Now for only: $68.10 |
 1935 Ad Kelvinator Air Conditioning Refrigeration Peas ORIGINAL ADVERTISING $40.95 Time Remaining: 27d 2h 7m Buy It Now for only: $40.95 |
 1939 Ad York Refrigeration Air Conditioning Ice Cold ORIGINAL ADVERTISING $38.95 Time Remaining: 27d 2h 20m Buy It Now for only: $38.95 |
 New Original Box Oreck XJ 100 Refrigerator Air Purifier OEM Mini Small Compact $0.99 Time Remaining: 3d 4h 44m |
 1937 Ad York Air Conditioning Refrigeration Mechanical ORIGINAL ADVERTISING $38.95 Time Remaining: 27d 2h 21m Buy It Now for only: $38.95 |
 1936 Ad York Air Conditioning Refrigeration Mechanical ORIGINAL ADVERTISING $38.95 Time Remaining: 27d 2h 47m Buy It Now for only: $38.95 |
 1940 Ad Westinghouse Air Conditioning Refrigeration ORIGINAL ADVERTISING $38.95 Time Remaining: 27d 3h 10m Buy It Now for only: $38.95 |
 1939 Ad York Refrigeration Air Conditioning Meat Tires ORIGINAL ADVERTISING $36.95 Time Remaining: 27d 3h 33m Buy It Now for only: $36.95 |
 blue Noleaf air condition Bladeless mini Portable Refrigeration fans USB desktop $4.99 Time Remaining: 3d 21h 1m |
 1939 Ad York Refrigeration Air Conditioning Ice Sundae ORIGINAL ADVERTISING $38.95 Time Remaining: 27d 3h 34m Buy It Now for only: $38.95 |
 1937 Ad York Air Conditioning Refrigeration Bread Helms ORIGINAL ADVERTISING $38.95 Time Remaining: 27d 3h 36m Buy It Now for only: $38.95 |
 1939 Ad York Refrigeration Air Conditioning Movies ORIGINAL ADVERTISING $36.95 Time Remaining: 27d 3h 55m Buy It Now for only: $36.95 |
 New Original Box Oreck XJ 100 Refrigerator Air Purifier OEM Mini Small Compact $0.99 Time Remaining: 4d 1h 2m |
 1942 Ad York Refrigeration Air Conditioning WWII Workforce War Production Effort $38.95 Time Remaining: 27d 4h 21m Buy It Now for only: $38.95 |
 1943 Ad Carrier Syracuse Air Conditioning Refrigeration Turtle Hare Bullet $38.95 Time Remaining: 27d 4h 26m Buy It Now for only: $38.95 |
 1942 Ad York Refrigeration Air Conditioning WWII War Production Cockpit Plastic $38.95 Time Remaining: 27d 4h 29m Buy It Now for only: $38.95 |
 1942 Ad York Ice Machinery World War II Planes Refrigeration Air Conditioning $38.95 Time Remaining: 27d 4h 26m Buy It Now for only: $38.95 |
 New Original Box Oreck XJ 100 Refrigerator Air Purifier OEM Mini Small Compact $29.99 Time Remaining: 5d 2h 31m |
 1943 Ad York Refrigeration Air Conditioning WWII Army Wind Tunnel Wright Field $36.95 Time Remaining: 27d 4h 30m Buy It Now for only: $36.95 |
 1932 Ad Frigidaire Refrigeration Air Conditioning ORIGINAL ADVERTISING $42.95 Time Remaining: 27d 3h 9m Buy It Now for only: $42.95 |
 1936 Ad York Air Conditioning Refrigeration Records ORIGINAL ADVERTISING $42.95 Time Remaining: 27d 3h 10m Buy It Now for only: $42.95 |
 10 Inch Silver Air Condition Bladeless Refrigeration Multiplier Table Fan $50.00 (1 Bid) Time Remaining: 5d 8h 49m |
 1936 Ad York Air Conditioning Refrigeration Mechanical ORIGINAL ADVERTISING $42.95 Time Remaining: 27d 3h 11m Buy It Now for only: $42.95 |
 1941 Ad Wire Cables York Refrigeration Air Conditioning African Tribesman WWII $41.95 Time Remaining: 27d 4h 25m Buy It Now for only: $41.95 |
 Mini Air Purifier Deodorizer Fresh Fridge Refrigerator $21.51 Time Remaining: 26d 8h 12m Buy It Now for only: $21.51 |
 1942 Ad York Refrigeration Air Conditioning WWII War Production Troops Load Ship $41.95 Time Remaining: 27d 4h 29m Buy It Now for only: $41.95 |
 New Original Box Oreck XJ 100 Refrigerator Air Purifier OEM Mini Small Compact $29.99 Time Remaining: 5d 22h |
 USB Desktop No Leaf Air Condition Bladeless Mini Portable Refrigeration fans $9.96 Time Remaining: 14d 19h 49m Buy It Now for only: $9.96 |
 USB Desktop No Leaf Air Condition Bladeless Mini Portable Refrigeration fans $8.08 Time Remaining: 8d 16h 23m Buy It Now for only: $8.08 |
 No leaf air condition conditioner mini hand held refrigeration fan USB desktop $11.59 Time Remaining: 16d 13h 33m Buy It Now for only: $11.59 |
 refrigerator deodorizer frehenerair purifier $9.99 Time Remaining: 9d 8h 15m |
 1951 Ad Air Conditioning Carrier Refrigeration Home ORIGINAL ADVERTISING $37.95 Time Remaining: 28d 9h 10m Buy It Now for only: $37.95 |
 No Leaf Air Condition Bladeless Refrigeration Table Fans 10 Silver Lower Noise $99.00 Time Remaining: 13d 21h 8m Buy It Now for only: $99.00 |
 No leaf air Conditioner mini Portable refrigeration Bladeless fan W USB Cable $9.48 Time Remaining: 18d 8h 29m Buy It Now for only: $9.48 |
 Portable No leaf air condition conditioner mini hand held refrigeration USB fan $8.99 Time Remaining: 2d 15h 34m Buy It Now for only: $8.99 |
 USB Desktop No Leaf Air Condition Bladeless Mini Portable Refrigeration fans $4.69 (4 Bids) Time Remaining: 1d 32m |
 Portable No leaf air condition conditioner mini hand held refrigeration USB fan $9.99 Time Remaining: 3d 11h 4m Buy It Now for only: $9.99 |
 New No Leaf Air Condition Mini Portable Refrigeration Bladeless Fan USB Desktop $10.09 Time Remaining: 29d 16h 15m Buy It Now for only: $10.09 |
 1932 Ad Frigidaire Refrigerated Air System Room Cooler ORIGINAL ADVERTISING $36.95 Time Remaining: 27d 2h 48m Buy It Now for only: $36.95 |
Refrigerated Air
Refrigerator Freezer
Refrigerators
The refrigerator is an important instrument of food preservation for modern society. The refrigeration cycle is the chemical process that drives the refrigerator and generally consists of four main steps: 1) compression of ammonia refrigerant; 2) cooling of ammonia refrigerant; 3) expansion of ammonia refrigerant; and 4) drawing in of heat from the core of the refrigerator. Many variations on this process exist as manufacturers find new ways to improve the temperature-control aspects of the refrigerator.
Introduction Chances are, he's in your house right now. He's big. He's cold. And he knows where you keep your food. As a matter of fact, he is where you keep your food. He's your refrigerator. And he's in for a surprise.
Refrigerators have been a hallmark of American family life in recent decades. Today, a century after the refrigeration cycle revolutionized the concept of food storage, the refrigerator is gearing up for a makeover. Modern science and engineering principles are combining in the latest refrigerators, and they're on their way to a kitchen near you in the not-too-distant future.
From the Cave to the Kelvinator Although it is nearly impossible to fathom now, modern refrigeration was not a part of daily family life until the 19th century. Prior to today's beloved, compact steel boxes, people stored food in the coldest places they could find or make. Ancient Greeks, Romans, and Hebrews covered the food they wanted to keep cold with snow, and topped it off with an insulating material to keep the heat out and the cold in. The Chinese harvested and stored ice before even the first millennium (Krasner-Khait). Many other pre-industrial societies stored food below ground, in cellars and wells
(Refrigeration).
The pioneers' rudimentary but effective cold spaces incorporated the most important part of the modern refrigerator: the refrigerant, the substance that circulates through the refrigerator to make the food cold. For these early, underground "refrigerators," the refrigerant was water. The "refrigerator" would be a small room or chamber with water trickling down the walls by means of small holes. Pioneers also employed a variation on this technique by building a "springhouse", a small house over a spring. They placed buckets of cream and butter into the naturally running water to keep their content cold (Refrigeration). Unfortunately, these methods were not without their shortcomings; food often spoiled anyway and many unfortunate pioneers fell victim to "summer complaint," a sickness obtained from the bacteria of spoiled food (Krasner-Khiat).
In the mid 19th century, Frenchman Ferdinand Carre devised a more recognizeable form of the modern refrigerator. Carre began experimenting with the concept of circulating a coolant around a core (Ideafinder). In his "vapor-compression refrigeration system," an instrument called a compressor circulated ammonia around the cool core of the system. Carre's system became popular, but ultimately proved too large, expensive, and dangerous to become a real household item. Many continued to rely on iceboxes (Roger's).
Raoul Pictet of Switzerland and Karl von Linde of Germany both modified Carre's design to produce more practical refrigerators (Ideafinder). The first domestic refrigerator entered the scene in 1913 thanks to Chicago's Fred W. Wolf, Jr. He coined his machine the "Domelre," short for Domestic Electric Refrigerator. Wolf's invention met with little success. The subsequent Kelvinator was more widely sold, but General Electric's 1927 "Monitor Top" refrigerator won the early refrigerator popularity contest. The company produced over 1,000,000 units, some of which still function today (Refrigerator). What Is In Store For Refrigerators This vapor-compression refrigeration cycle has kept milk fresh, lettuce crispy, and leftovers tasty for nearly a century. Nevertheless, enterprising companies are revamping the refrigerator. Many are capitalizing on technology that allows consumers to take control of the temperature of the refrigerator. Sub-Zero's dual refrigeration system throws in an extra compressor for increased freshness and three evaporators (essentially expansion valves) to allow the user to control the temperature in different areas of the refrigerator (
Sub-Zero
). Maytag also provides its customers with two thermostats to fine-tune temperature (Maytag). Whirlpool's "In-Door Air Cooling System" directs air from the freezer into the refrigerator door to keep those items extra cold (Whirlpool). These Whirlpool refrigerators essentially have two refrigerants- air and ammonia.
Conclusion The refrigerator maintains a silent but powerful presence in today's home. His shiny skin and comforting hum masks his little secret: that he is an underappreciated marvel of engineering. New gadgets and processes may change him in the near future, but his contributions to food preservation and life itself will remain for all time.
About the Author
Martin Schulke
PNEUMATECH Refrigerated Air Dryer