Foods and beverages: apparatus – Cooking – Boiler or deep fat fryer type
Patent
1999-02-19
2000-04-11
Alexander, Reginald L.
Foods and beverages: apparatus
Cooking
Boiler or deep fat fryer type
99410, 99467, 99473, 126369, 219401, A47J 3638, A47J 3712
Patent
active
06047632&
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates generally to cooking apparatus, such as for example household deep fat fryers, comprising a cooking vat adapted to be closed by a cover during the cooking phase, and relates more particularly to a device for condensing steam from the vat of such a cooking apparatus, this device comprising a receptacle containing a refrigerating agent and in which is disposed a conduit serving as a condensate channel comprising an inlet for steam to be condensed which passes through the receptacle and which is connected to the vat of the cooking apparatus, and a receptacle outlet and through which flows the water of condensation produced by the passage of the steam through the conduit cooled by the refrigerating agent.
It is known that for such cooking apparatus, the presence of a condensation device is particularly useful to eliminate steam containing bad smelling substances emitted in the course of cooking.
In a known condensation device of this type indicated above, of the heat exchange type, the receptacle is constituted by a cold water reservoir disposed outside on the side of the cooking apparatus, and the condenser channel is formed by a helicoidal tube disposed vertically in the reservoir and which has an inlet passing through an opening provided in the upper wall of the reservoir and is connected by tubing to the vat of the apparatus, and an outlet passing in a sealed manner through the bottom of the reservoir. Thus, during cooking, the vapors containing bad smelling substances flow through and condense in the tube cooled by the water, the condensate being collected in a collecting basin disposed below the reservoir. However, in this condensation device, the upper wall of the reservoir is constituted in fact by a cover which must be open so as to permit the introduction of the helicoidal tube into the reservoir, which complicates further the production of the reservoir. Moreover, the mounting of the helicoidal tube in the reservoir is difficult to carry out, in particularly at the level of the sealed engagement of the outlet through the bottom of the reservoir, resulting in a condensation device which is complicated to produce and cumbersome.
SUMMARY OF THE INVENTION
The invention particularly has for its object to overcome these drawbacks and to provide a device for condensing steam from a cooking apparatus, of the type described above, which will be simple to produce and low cost, and which will ensure efficient heat exchange and condensation.
According to the invention, the receptacle is shaped as a sealed casing made out of one piece of plastic material enclosing the conduit and leaving free the inlet and outlet of this latter, said casing comprising a filling opening for a refrigerating agent adapted to be closed in a sealed manner by a closure member.
Thus, the fact of making the receptacle about the conduit of a single piece, in the form of a sealed casing, permits avoiding any mounting operation of the conduit, contrary to the prior art, thereby substantially simplifying the production of the condensation device. Moreover, this production of the sealed casing enclosing the conduit permits avoiding any sealing joint at the level of the passage of the inlet and the outlet of the conduit through the casing, thereby effecting a reduction in the cost of production of the condensation device.
According to a preferred embodiment, the casing is formed by blow molding.
According to the preferred embodiment, the conduit is shaped as a serpentine formed by blow molding a plastic material.
The invention also relates to a cooking apparatus, such as for example a deep fat fryer, comprising an open housing adapted to be closed by a cover during the cooking phase and which is provided at its bottom with a base, a cooking vat disposed in the housing, and an open basin in its rear region, retractably mounted in the base of the housing and which contains at least one device for condensing cooking steam according to the invention.
BRIEF DESCRIPTION OF DRAWINGS
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REFERENCES:
patent: 5552578 (1996-09-01), Violi
patent: 5657686 (1997-08-01), Gunawardena et al.
Bouffay Alain
Collas Guy
Alexander Reginald L.
Moulinex (S.A.)
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