Foods and beverages: apparatus – Cooking – Intercontrol or safety control
Patent
1999-04-21
1999-12-07
Simone, Timothy
Foods and beverages: apparatus
Cooking
Intercontrol or safety control
99330, 99403, 55DIG36, 126299D, 126391, 210167, 210DIG8, A47J 3638, A47J 3712
Patent
active
05996474&
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to electrical cooking apparatus, such as for example deep fat fryers for household use, which comprise an external casing in which are incorporated a cooking vat, electrical heating means in heat exchange relation with the vat, and a pan housing a removable device for condensation of the cooking vapors which is adapted to be connected to conduit means communicating with the vat and permitting the flow of cooking vapors.
It is known that for such cooking apparatus, the use of a condensation device is particularly efficacious to eliminate the vapors containing bad-smelling substances emitted in the course of cooking.
In known cooking apparatus of this type, it has already been proposed to use a pan, for example removable, in the form of a drawer in which is removably mounted the condensation device, of the heat exchange type, and which is inserted in a compartment provided in a base forming an integral part of the casing of the apparatus. During use of the apparatus, the user can correctly place the pan in the base of the casing without the condensation device having been mounted in the vat, then start the cooking operation. Thereafter, in the course of cooking, the bad-smelling substances in the vapors are no longer eliminated, so that the apparatus particularly loses its usefulness. Moreover, the vapors which are given off flow into the vat in which they can create an abnormal overpressure which is particularly dangerous.
The invention particularly has for its object to overcome these drawbacks and to provide an electrical cooking apparatus, of the type described above, which will be provided with a safety device permitting the operation of the apparatus only when the condensation device is mounted in the pan.
According to the invention, the apparatus comprises detection means adapted to detect the presence of the condensation device in the pan and adapted to be actuated by said condensation device when this latter is present in the pan, and a safety switch arranged in the electrical supply circuit of the heating means and whose control permitting closing said electrical supply circuit is subordinated to the actuation of said detection means.
Thus, it will be understood that to obtain reliable operation of the cooking apparatus, the presence of the condensation device in the pan is necessary to supply the electrical heating means, thereby permitting providing an apparatus having optimum guarantee of the safety of the user.
In a particular embodiment of the removable condensation device, of the type comprising at least two refrigerating cassettes hermetically removably mounted in the pan and each having an inlet for vapors to be condensed which is adapted to connect with a corresponding opening provided in the outlet of the conduit means, and an outlet opening into the cassette and through which flows condensation water produced by passage of the vapors into said cassette, and according to another characteristic of the invention, the detection means are adapted to control the safety switch, so as to close the electrical supply circuit of the heating means, only when all the cassettes of the condensation device are present in the pan.
The characteristics and advantages of the invention will become further apparent from the description which follows, by way of non-limiting example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view in vertical cross-section of an electrical cooking apparatus, such as a deep fat fryer, comprising a removable pan containing a condensation device with hermetic refrigerant cassettes and being correctly in place in the apparatus;
FIG. 2 is a schematic perspective view, on an enlarged scale, of the removable pan of the apparatus of FIG. 1, in which is mounted the condensation device comprising two refrigerating cassettes;
FIGS. 3 and 4 are schematic views partially in cross-section, on different vertical planes, showing respectively a safety device according to the present invention (3) and the pan mounted in the apparatu
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Collas Guy
Lereverend Jean
Moulinex (S.A.)
Simone Timothy
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