FR3087331A1 - DEVICE FOR COOKING FOOD BY ELECTRICAL / GAS CONTACT WITH PLANCHA OR TEPPANYAKI TYPE - Google Patents

Description

TECHNICAL AREA

The present invention relates to the field of food cooking devices.

It relates more particularly to a device of the hob type with high thermal inertia, in particular of the type usually known by the name of "plancha" or "teppaniaky". The invention relates to a dual-energy heating system of this type of device making it possible to use gas, electricity or both combined.

STATE OF THE ART

Cooking food on a surface with high thermal inertia has been known for many years. It makes it possible to cook food, for example meat, with great constancy of heat applied, as well as a uniform temperature over the entire cooking surface, and therefore, over all the food being cooked, it is what is called contact cooking or healing cooking. Such contact cooking tools are, for example, known as plancha or teppaniaky in the case of individual use, but they are also used in industrial cooking or catering. To heat these devices use either gas (Butane, propane or natural gas) or electricity (heating resistance, induction or halogen)

Currently, there are already several types of contact cooking tools.

A first type of contact cooking tool is powered by a source of electrical energy. The hob is generally heated by one or more electrical resistances but can also be heated by radiant heaters, by electric induction or halogen. These electrical systems require no maintenance and are advantageous for their simplicity of use. On the other hand, they cannot be used for nomadic use and the management of the temperature due to the electrical regulation system is less precise.

A second type of contact cooking tool is supplied with gas, generally Butane or Propane. Heating the hob with gas has great precision in temperature management and allows it to be used on the go (camping, picnics, etc.). However, it is forbidden to use on city balconies due to the presence of a large gas container and has the constraints linked to the management of a gas container with limited capacity.

-2 STATEMENT OF THE INVENTION

The object of the present invention is to propose a new contact cooking tool device, making it possible to solve part of the problems mentioned above, and in particular to be usable in all circumstances.

It aims for this purpose in a first aspect a food cooking device, of the type comprising a cooking board and a tool for heating said board by its lower surface, said heating tool comprising at least two energy systems the first being electric the second being gas.

It will be understood that, in this way, according to a judicious choice of heating equipment, the exposed device makes it possible to provide a contact cooking tool adapted to all situations of use.

Similarly, in the case of a choice of heating equipment such that electrical energy is transformed into heat by an electrical resistance, the gas is transformed into heat by a burner, the electrical resistance is integrated in the hob while the burner 15 supplied by a gas source heats the underside of the plate. The electrical resistance is never in contact with the flame which guarantees the protection of the resistance and therefore its longevity.

In one embodiment, the plate is machined to receive the electrical resistance or any other means of electrical heating. More particularly, it is neither in contact with the cooking surface nor in contact with the heating surface.

In an advantageous embodiment, the electrical resistance is embedded directly in the cooking plate during the manufacture of the plate in the foundry.

PRESENTATION OF THE FIGURES

The characteristics and advantages of the invention will be better appreciated from the following description, which describes the characteristics of the invention through a non-limiting example of application.

The description is based on the appended figures which represent: Figure 1: a side view in section of the cooking appliance in one embodiment of the invention, Figure 2: a top view of one of the board cooking representing the path 30 of the electrical resistance, in a particular embodiment

-3 DETAILED DESCRIPTION OF AN EMBODIMENT OF THE INVENTION

The invention finds its place in the context of a cooking device using a hob allowing the use of two heating energies. We are only concerned here with the way in which the two energies intended for heating are combined. The burners, resistors 5 and other elements of the heating device are assumed to be known per se. As such they are outside the scope of the present invention, and are therefore not detailed further here. As seen in Figure 1, which illustrates such a cooking device in side view, the cooking appliance (10) comprises a plate (12) in which is integrated a heating means (13) of the electrical resistance type , below this plate (12) a gas heating means (14) also makes it possible to heat the plate (12).

The upper part of the plate (12) is the actual cooking surface. It is intended to receive the food to be cooked, it can either be left as it is or coated by a surface treatment such as but not limited to enamel or a non-stick coating, or covered by another plate; Food is in contact with this area.

The upper plate is here of rectangular shape, but any other shape related to the conditions of use can be achievable. It is here made of cast iron of a type known per se. We call cast iron an alloy of iron rich in carbon (from 1.7 to 6.67% carbon), with proportions of these materials adapted to maintain its shape and transmit heat. Other alloys with equivalent characteristics (in particular resistance to temperature variations) can however be envisaged. Alternatively, it can be made of steel, for example Martin steel, aluminum alloy or any other material having good thermal conduction qualities. The plate 12 can also be made of aluminum alloy or iron.

In the present example, which is in no way limitative of embodiment, its thickness is 10 millimeters. This thickness is dictated by the qualities of thermal inertia desired for the hob as well as by the diameter of the resistance to be integrated therein.

BENEFITS

To have contact cooking of the plancha or teppanyaki type in all circumstances (nomadic use or fixed use), the main problem is that of the energy source. The device as described above addresses these problems.

It combines, on the one hand, a heating system using electric energy allowing fixed and daily use, and on the other hand a heating system using gas.

Claims (1)

Claims [Claim 1] Device for cooking food by contact, of the type comprising a board and two means for heating said board, the board (12) incorporating an electric heating means (13), a second gas type heating means (14) being located under the board allows the individual or simultaneous use of the two heating means. [Claim 2] Device according to claim 1, characterized in that the cooking plate (12) receives in its upper part a surface coating guaranteeing a healthy food contact. [Claim 3] Device according to claim 1, characterized in that the cooking plate (12) receives in its upper part a stainless steel or titanium plate guaranteeing healthy food contact. [Claim 4] Device according to claims 1 to 3, characterized in that the electric heating means (13) consists of a resistor or another electric heating system of the radiant hearth, electric induction or halogen type. [Claim 5] Device according to claims 1 to 5, characterized in that the electric heating means (13) is integrated into the board (12) directly in the foundry. [Claim 6] Device according to claims 1 to 5, characterized in that the plate (12) is hollowed out in order to receive the electrical resistance (13). [Claim 7] Device according to claims 1 to 5, characterized in that the board (12) is made of aluminum alloy. [Claim 8] Device according to claims 1 to 5, characterized in that the board (12) is made of Steel. -Ί-