Foods and beverages: apparatus – Cooking – Automatic control
Patent
1990-08-03
1992-06-30
Simone, Timothy F.
Foods and beverages: apparatus
Cooking
Automatic control
99330, 99355, 99357, 99404, 99407, 99443C, 99470, 126299R, 126299D, A47J 3700, A47J 3712
Patent
active
051253283
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
Food preparation devices are known which permit a random selection of the introduction and removal of products contained in boxes, baskets, and other containers for the purposes of cooking and cooling. The introduction and removal of products into and out of these devices are effected by a single robot or automation, making these movements one after the other.
2. Discussion of Background and Relevant Information
For other food preparation devices, the cooking and refrigeration occur in tunnel, where introduction and removal can only be done consecutively, one after another. The principal drawback of these devices is that they do not permit the mixing of products having different treatment times. The products must be treated by cooking family, one after the other. Because, the boxes of products follow each other, they must be removed one after the other. Because of this drawback certain products are either overcooked, or over-refrigerated where an excess of cold destroys all taste quality. In these devices, the loading and unloading of the food containers are performed by a single robot, the operations are slower, and require some waiting.
U.S. Pat. No. 3,821,925 describes a cooking device with introduction and removal of baskets containing the products to be treated. The device is composed of two parts: a lower part, and a cover overlapping this lower part serving to treat the products with heat, the cover being movable to permit the removal and introduction of a basket integrated with said cover and containing the products to be treated. This device, conceived for frying under pressure, does not permit different cooking or cooling times in the same chamber and does not lend itself to the automatization of the introduction and removal operations of the products to be treated.
French Patent Document No. 2,596,250 describes a device intended for cooking alimentary doughs. It includes a cooking container and several sintering boxes receiving the baskets containing the doughs to be cooked. The movement and the length of time for the immersion of each sintering box is automatically controlled. This apparatus has no cover, which does not permit the evacuation of cooking gases leading to mediocre thermal efficiency.
The device described below avoids all of these drawbacks. It consists of two parts: a lower part receiving the products to be treated, and an upper part overhanging the lower part serving as a hood and a cover for it.
For the cooking device, the lower part consists of a vat, or several vats side-by-side. Several types of cooking can be performed: flowing vapor, superheated vapor, pulsating air, slow heat, water immersion, and also cooking in oil, like deep frying.
Several devices can be added in modules, one after the other, and each module has its cover equipped with an autonomous introduction and removal system. This system, for reasons of economy, can be the same for all of the modules.
To permit the introduction and removal of products to be cooked or cooled, the raising and lowering system lifts up the hood-cover with the help of an endless screw, by a chain controlled by an electric drive, by a winder, or by any other method attached to a ramp. The hood-cover is integrated with the raising and lowering system, and in a raised position, it permits the detachment of the hot or cold treatment vat, as well as allowing the introduction and removal of baskets containing the products. These baskets are introduced or removed by a robot arm sliding on an endless transverse screw attached under the hood-cover, raising and lowering with it.
The transverse endless screw allows the introduction of the baskets into the vat, or their removal onto an external conveyor. Several arms motorized and controlled by an exterior console, can exist alongside each other according to the number of vats.
In the vat where the products finish their treatment, the fork of the arm grasps the basket, and the hood-cover goes up, letting the basket be removed outside by the a
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