Refrigeration – Liquid contacting discrete commodity
Patent
1991-05-22
1993-03-09
Bennet, Henry A.
Refrigeration
Liquid contacting discrete commodity
62 64, 62342, 62376, 62392, F25D 1702
Patent
active
051917734
DESCRIPTION:
BRIEF SUMMARY
This invention relates to improvements in chilling apparatus and refers particularly, though not exclusively, to apparatus for the relatively rapid chilling of articles such as, for example, bottles, cans, containers of foodstuffs or other products, sachets of foodstuffs or other products, or foodstuffs.
In commercial establishments such as, for example, restaurants, bistros, hotels, bars, and the like, there is a need to have food and beverages served chilled. One way of achieving this is to have large cool rooms or refrigeration cabinets where sufficient quantities of the product to be cooled can be stored so that the lowering of the temperature of the product can take place using standard refrigeration techniques. However, as most cool rooms are set to approximately +2.degree. C., it can generally be expected to take some time for the beverages to be reduced to their desired temperature. With restaurants and the like establishments this can give rise to a significant problem, as such establishments have to anticipate the drinking requirements of their patrons and, with the range of beers, wines, etc. currently available, it can quite often be extremely difficult to have beverages chilled to the correct temperature ready for immediate serving.
In domestic situations the needs of the consumer are significantly less, especially in terms of the quantity of beverage to be chilled or cooled. Such a consumer will generally only need to cool a few containers of beverage for immediate use. For cooling on such a small scale, conventional refrigeration cabinets are both inefficient (in terms of cost) and not satisfactory, in that to achieve a quick chill effect, more often than not unwanted freezing of the beverages occurs.
The prior art arrangements have also suffered from the disadvantage that the normal form of refrigerating cabinet or cool room is relatively large and can require perhaps as long as from ten to twelve hours to cool bottles of beverage, in sufficient quantities, to a satisfactory temperature. A normal refrigeration cabinet or cool room, after the initial pull down, will run for approximately sixty per cent of the entire day but would run continuously for maybe an hour immediately after loading product at ambient temperature.
In the specification of Australian Patent Application Number 47155/85 of Castleton, Inc there is disclosed a method or apparatus for rapidly chilling or freezing product. However, the apparatus and method are extremely complex and are clearly designed with totally different objectives in mind. For international application PCT/AU89/00360 of Multichil Pty. Ltd. the chilling apparatus uses a pump to circulate the cooling fluid and thus involves the use of a complex refrigeration and circulatory system. Similar comments as to the complexity of the apparatus also apply to AU26106/30, U.S. Pat. No. 1,329,426, PCT/AU87/00361, AUB23225/84, and AU266814.
The invention therefore seeks to overcome the problems and disadvantages associated with the prior art by providing an arrangement which lends itself to the relatively quick chilling articles such as, for example, bottles, cans, or sachets of foodstuffs or other products, containers of foodstuffs or other products, or foodstuffs.
With the above in mind, the present invention provides apparatus for the relatively rapid chilling of articles, said apparatus including a refrigeration system; a container having a main bowl in which a cooling fluid is located; an inner bowl within said main bowl, said inner bowl having a side wall with at least one opening therethrough adjacent the top of said side wall to allow said cooling fluid to pass therethrough into a gap between said side wall and main bowl, said inner bowl having at least one hole therethrough at its lower end, said hole being operatively connected to said gap; circulations means in said main bowl or said inner bowl for assisting circulation of said cooling fluid; and cooling means in said main bowl for the cooling of said cooling fluid.
In order that the invention may be more cl
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Bennet Henry A.
Kilner Christopher B.
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