Foods and beverages: apparatus – Cooking – With other treating or handling of material
Patent
1987-03-31
1989-02-14
Watkins, Donald
Foods and beverages: apparatus
Cooking
With other treating or handling of material
99330, 99355, A47J 2718, A47J 2714
Patent
active
048039160
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a machine for rapidly cooking a batch of spaghetti, said machine being especially but not exclusively intended for being installed within public premises with self-service catering of main courses.
A pressure device is known as disclosed in the Italian Pat. No. 945,990 for rapidly cooking food such as rice, Italian "pasta" or macaroni and the like with a boiler for the hot cooking water, a batcher device for the alimentary produce to be cooked, a kettle for cooking under pressure, a separator for unloading cooked food; however, said already known device has a number of severe drawbacks such as the irregular feeding motion of the alimentary produce, especially in the case of spaghetti, within the batcher device, which drawback gives rise to problems in closing said batcher and in obtaining a regular formation of batches; the steam leakage out the separator each time cooked food is introduced into the same, which drawback causes geared motors and electromagnets employed for moving all various intermittent working members to become unserviceable and consequently the stopping of the device.
The main object of the present invneton is to eliminate all such drawbacks and to propose a high performance and high yield machine.
According to the present invention, said result has been attained by adopting the idea of introducing raw "pasta" into the batcher space avoiding acting on the interception members with the full weight of the "pasta" lying above the same; of arranging the pre-cooking chamber inside the boiler; of moving the machine members by means of hydraulic control cylinders; of conveying hot water and steam discharged from the final cooking chamber into a heat exchanger; of controlling all operative steps by means of a microprocessor control unit.
The advantages obtained through the present invention mainly consist in the fact that the batching operation of raw "pasta" and the introduction of the same into the first cooking chamber are carried out in a rapid and exact way; that it is possible to eliminate heat exchange between the first cooking chamber and the outside , to lower the temperature of water within the boiler and then also to lower heat exchange between the boiler and the outside; that cooked "pasta" can be unloaded and dispensed with no steam leakage; that it is possible to regenerate both water and steam heat before wasting the same; that the temperature of waste water to the sink is kept within limits that are tolerable by collection pipes normally employed; that the hydraulic control cylinders are energized by the same pressurized water fed into the boiler; that it is possible to agitate the "pasta" during the cooking completion step; that a special cycle is provided of switching on for a suitable washing of the cooking chambers and of switching off for the full emptying of the cooking water; that the operative cycle is controlled by a central control unit, for instance a microprocessor programming unit; that a machine realized according to the present invention allows an intermittent cycle working through push-button or coin energizing to be performed, but it also allows a continuous and accelerated cycle to be carried out as in such a case the first and second cooking steps occur simultaneously on two separate batches; that the machine operation is safe and very reliable also after long periods of continuous service.
These and other advantages and features of the present invention will be better understood by those who are skilled in the art by the following disclosure in connection with the enclosed drawings which are presented for exemplification of the finding in question and not for limitative purposes of the same; in the drawings:
FIG. 1 is a partly cutaway whole front view of a machine realized according to the present invention;
FIG. 2 is a side view of the machine of FIG. 1;
FIG. 3 shows the cross section along A--A of FIG. 1;
FIG. 4 shows the cross section along B--B of FIG. 1;
FIG. 5 shows as a front view the detail of a gate valve;
FIG. 6 shows the cr
REFERENCES:
patent: 3827344 (1974-08-01), Pratolongo
patent: 3937135 (1976-02-01), Pratolongo
patent: 4214514 (1980-07-01), Contino
patent: 4543878 (1985-10-01), Luchetti
patent: 4569277 (1986-02-01), Stiglich
Soimex S.r.L.
Watkins Donald
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