Foods and beverages: apparatus – Subjecting food to an enclosed modified atmosphere – Including means to influence movement of gas within enclosure
Patent
1993-12-03
1996-04-09
Scherbel, David
Foods and beverages: apparatus
Subjecting food to an enclosed modified atmosphere
Including means to influence movement of gas within enclosure
99340, 99483, 126 195, 126 21A, 126268, 219386, 219399, 219400, A23L 300, F24B 500, F24B 704
Patent
active
055051227
DESCRIPTION:
BRIEF SUMMARY
The invention relates to an apparatus for transporting warm foodstuffs which comprises a container.
Such an apparatus is known. Known containers consist for instance of heat insulating material and are frequently used for transporting foodstuffs prepared in a restaurant to homes of customers. In this application the container is placed in or on a vehicle (car or motorbike).
The drawback associated with the known containers is that they retain the moisture rising from the steaming hot food, causing it to precipitate again onto the food with the result that the quality of these dishes greatly diminishes.
Crispy foodstuffs or parts thereof such as the crust of a pizza are in danger of rapidly becoming mushy when transported in a known container. Arranging openings in the known container in order to drain off moisture results in rapid cooling of the transported foodstuffs.
In U.S. Pat. No. 3,614,923 an apparatus for transport of warm foodstuffs has been described in which part of the above drawbacks have been overcome. In U.S. Pat. No. 3,614,923 a food warmer including an upright cabinet having a warming and storage compartment, and a closed forced air heating system for providing moisture regulated heated air to the warming and storage compartment whereby food is kept warm under a controlled atmosphere has been disclosed. The forced air heating means includes a jet type gas burner suitably connected with a source of gas. An application in which this known container is placed in a motor vehicle is not known from the cited publication.
The German Gebrauchsmuster DE-U-90 14 240 relates to an apparatus for keeping warm and transporting foodstuffs, especially pizza's in a heat-isolating container comprising a heater, characterized in that the container comprises a lower part and a releasable upper part. The lower part comprises a blower unit and a heater unit with an air conduit and a moisture extracting arrangement with a blower unit and a moisture extracting conduit, both said conduits debouching in the upper part.
In GB-A-1 448 668 an oven is described, provided with a heating apparatus and an impeller for producing oscillations of the air within the oven-chamber.
In DE-A-28 10 685 a refrigerator has been disclosed, comprising an induction heating unit, controlled by a timer. Food that is stored in the refrigerator can be warmed up by means of the said induction heater.
The German Gebrauchsmuster DE-U-85 26 356 relates to a container provided with wheels, for serving meals. The container comprises a warm and a cold compartment, both being climatized by the same cooling aggregate.
EP-A-0 387 212 relates to an apparatus for re-heating food stuffs, stored in a container. The re-heating takes place by enforced circulation of heated air over the stored food in the container.
It is an object of the invention to provide a container which is suited for use in a motor vehicle, with which container the drawbacks of known containers are not associated.
This object is achieved in accordance with the invention with an apparatus for transporting warm foodstuffs, comprising a container having a first closable space for the foodstuffs for transporting and a second closable space in thermal contact with a heat source, said heat source comprising a combustion heater, provided with a supply conduit and a discharge conduit for a heat transporting medium, said conduits being connected to the second space,
characterized in that
the combustion heater operates on petrol or diesel.
In a container according to the invention, air is conditioned in the second space, in this case heated, for example by a combustion heater operating on diesel, and the conditioned air is then carried to the first space in which the foodstuffs for transporting can be placed.
In one embodiment the first space and the second space are mutually adjacent and are separated by an air-permeable wall. This wall can consist of perforated material or of closed material in which air holes are arranged, or can be air-permeable in other manner.
The apparatus in which the
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Chin Randall E.
Scherbel David
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