FR2794959A1 - Electric deep fryer for domestic cooking has recesses in base of fryer to collect condensed water to avoid risk of injury to user from spattering fat - Google Patents

Electric deep fryer for domestic cooking has recesses in base of fryer to collect condensed water to avoid risk of injury to user from spattering fat Download PDF

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Publication number
FR2794959A1
FR2794959A1 FR9907985A FR9907985A FR2794959A1 FR 2794959 A1 FR2794959 A1 FR 2794959A1 FR 9907985 A FR9907985 A FR 9907985A FR 9907985 A FR9907985 A FR 9907985A FR 2794959 A1 FR2794959 A1 FR 2794959A1
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FR
France
Prior art keywords
tank
heating
cells
fryer
depressions
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR9907985A
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French (fr)
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FR2794959B1 (en
Inventor
Jean Marie Thevenin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEB SA
Original Assignee
SEB SA
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Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Priority to FR9907985A priority Critical patent/FR2794959B1/en
Publication of FR2794959A1 publication Critical patent/FR2794959A1/en
Application granted granted Critical
Publication of FR2794959B1 publication Critical patent/FR2794959B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00Baking; Roasting; Grilling; Frying
    • A47J37/12Deep fat fryers, including apparatus specially adapted for frying fish
    • A47J37/1276Constructional details
    • A47J37/129Frying vessels

Abstract

<P> - The invention relates to a domestic cooking appliance, comprising in a housing (1) a vessel (2) for receiving a frying bath, and heating means (4) disposed near the surface interior (9) of the bottom (10) of the tank. - In accordance with the invention, a network of cells (5) and / or depressions is distributed on the inner surface (9) of the bottom (10) of the tank (2). </ P>

Description

The present invention relates to the general technical field of domestic cooking appliances and relates more particularly to the domestic cooking appliances. electric appliances intended for frying food in an oil or fat bath, such as fryers or multi-cookers.

When frying, high temperatures cause some of the water in the food to evaporate. When the cooking appliance has a lid, the water vapor can condense and fall back into the cooking bath during cooking, or when opening the lid. Part of the water contained in the food can also be deposited directly at the bottom of the tank, the water being denser than the oil. It has been observed, in fryers comprising a heating element arranged under the tank, and in particular in fryers comprising a tank lined with an anti-adherent coating, that the condensation water could collect on the bottom of the tank, and form a large drop that when spraying can cause splashes of fat. These projections may burn the user when cooking without a lid, and dirty the lid when cooking with the lid.

It has been proposed, as described in document FR 1 101 042, to produce a deep-fat fryer in which the heating element is placed inside the tank and away from the bottom of the tank, which makes it possible to dispose of a cold zone in the bottom of the tank. The cooking residues can thus be deposited at the bottom of the tank, without being burned. Water can also be deposited at the bottom of the tank in the cold zone without being sprayed. A disadvantage of this type of device however lies in the presence of the heating element inside the tank and in the additional volume of the cold zone.

It has been proposed, as described in document FR 1 561 396, to make a domestic fryer in which the tank comprises a lower receptacle filled with water forming a cold zone, the heating element being disposed above this receptacle. Such a device is bulky and complicated construction and expensive. .

The object of the present invention is to provide an electric household cooking appliance for frying oil bath which has a high safety of use.

Another object of the present invention is to provide an electric household cooking appliance for frying in an oil bath which is easy to clean. Another object of the present invention is to provide a domestic cooking appliance for frying oil bath which has a small footprint.

Another object of the present invention is to provide an electric household cooking appliance for frying in an oil bath which is of economical construction.

The objects assigned to the invention are achieved with a domestic electric cooking appliance, comprising in a housing a tank, intended to receive a frying bath, and heating means arranged near the inner surface of the bottom of the tank, wherein a network of cells and / or depressions is distributed on the inner surface of the bottom of the tank. The heating means arranged under the bottom of the tank, in the thickness of the wall of the bottom of the tank, or above and in the vicinity of the inner surface of the bottom of the tank do not spare a cold zone in the bottom of the tank. tank. Because of its higher density, the water present in the oil bath tends to settle at the bottom of the tank, and can thus be vaporized by the heating means. In this respect, the proposed arrangement makes it possible to fractionate the volume of water thus collected and to limit the amount of oil projections that may occur during the vaporization of this water. According to an advantageous characteristic, the inner surface of the bottom of the tank is coated with an anti-adherent coating. Such a feature is appreciated for the ease of tank cleaning. However, some anti-adherent coatings tend to facilitate the collection of water at the bottom of the tank and thus amplify the phenomenon of oil splashes. The presence of cells and / or depressions on the bottom of the tank limits these phenomena. More particularly, the anti-adherent coating is a fluorinated polymer compound, for example PTFE. It has been observed that PTFE-based coatings, particularly those rich in fluorine, favor the pooling of water at the bottom of the tank and particularly amplify the phenomenon of oil splashes.

According to another advantageous characteristic, the inner surface of the bottom of the tank has an elevated area in which are arranged the heating means. This arrangement makes it possible to promote the heat exchange between the heating means and the bottom of the tank.

Advantageously then, the elevated zone forms a coil traversing the surface of the bottom of the tank, the cells and / or the depressions being arranged between the branches of the coil and / or between the branches of the coil and the periphery of the bottom of the tank. This arrangement makes it possible to distribute the power of the heating means under the bottom of the tank.

Advantageously then, the heating means are formed by a shielded heating element, such a construction to obtain efficient heating means and an economical construction.

Advantageously, the shielded heating element is mounted in the housing, the vessel being removable.

According to another advantageous characteristic, the inner surface of the bottom of the tank has slopes towards the cells. In fact, this arrangement makes it possible to promote the collection of water in the cells. As an alternative, the depressions are adjacent, this provision making it possible to promote the collection of water in the depressions.

In a preferred embodiment, the apparatus comprises a cover. The invention will be better understood from the study of non-limiting exemplary embodiments which are illustrated in the appended figures in which: FIG. 1 is a partial sectional side view of a first exemplary embodiment of a domestic cooking appliance according to the invention; FIG. 2 is a perspective view of the cooking vessel of the appliance shown in FIG. 1; FIG. 3 is a partial sectional side view of the vessel shown. FIG. 4 is an enlarged view of part of FIG. 3; FIG. 5 is a sectional view of the cooking vessel of a second embodiment of a domestic electrical appliance of FIG. FIG. 6 is a partial view from above of the vessel shown in FIG. 5; FIG. 7 is a sectional view of the cooking vessel of a third embodiment of an electrical apparatus. FIG. domestic cooking according to the invention, FIG. 8 is a partial view from above of the tank shown in FIG. 7. FIG. 1 shows an electric fryer comprising a housing 1 in which is housed a tank 2, comprising a bottom 10 and side walls 11, intended for receive a frying bath. The fryer also comprises heating means 4 arranged under the bottom 10 of the tank 2 and a cover 3 provided for closing the housing 1.

According to the invention, a network of cells 5 is distributed on the inner surface 9 of the bottom 10 of the tank 2. The cells 5 form depressions in which the water, which is denser than the oil, can be collected. and vaporized. As shown in Figure 1, the inner surface 9 of the bottom 10 of the tank 2 has a raised area 6. This raised area 6 rests on the heating means 4 formed by a shielded heating element mounted in the housing 1. As better visible in Figure 2, the raised area 6 forms a coil. The cells 5 are distributed substantially evenly over the bottom 10 outside the raised area 6. As shown in FIG. 2, two series of cells 5 are arranged along lines between each of the branches of the coil, so as to form an equilateral triangular mesh network. Other cells 5 are present between the branches of the coil and the periphery 12 of the bottom 10 of the tank 2. The cells 5 are thus disposed near the heating means arranged under the raised zone 6.

As best seen in Figures 3 and 4, the cells 5 are obtained by deformation of the bottom 10 of the tank 2. The cells 5 can be obtained during the stamping of the tank 2, or during a stamping operation performed before or after the shaping of the vessel 2. The thickness of the walls of the vessel 2 is thus substantially constant. The cells 5 form cavities in the form of a hemispherical cap. Alternatively, other geometries are possible.

The depth of the cells 5 is less than half of their diameter. Preferably the depth of the cells 5 is between 1I3 and 1I10 of their diameter. The distance between two neighboring cells is preferably between 1 and 4 cm. The diameter of the cells 5 is preferably greater than 2 mm.

The cells 5 make it possible to limit the mini-explosions in the oil bath after several firings, due to the presence of water in the oil bath. This water may be from foods including frozen food, or come from the fallout in the oil bath, when closing the lid 3, the condensation droplets deposited on the underside of the lid 3 during cooking. The apparatus shown in FIGS. 5 and 6 differs from the preceding apparatus in that the heating means 4 'are integral with the tank 2', and in that the inner surface of the bottom 10 of the tank 2 'has gradients 7 towards the cells 5.

The heating means 4 'are formed by a shielded heating element embedded in the bottom 10 of the tank 2'. The tank 2 'is for example made of cast aluminum alloy. The tank 2 'can be mounted fixed or removable in the housing of the apparatus.

Alternatively, other constructions are possible, such as shielded heating elements brazed or welded under the bottom 10 of the tank 2 ', the tank 2' can then be formed by a stamped part.

The vertices of the adjacent slopes 7 meet to form ridges 8. The periphery 12 of the bottom 10 of the tank 2 'connecting to the side walls 11 also has a slope towards the cells 5. The water collected on the bottom 10 of the tank 2 'is thus guided towards the cells 5.

As shown in Figure 6, the slopes 7 occupy most of the bottom 10 of the tank 2 '. The slopes 7 and the ridges 8 form a network of depressions 5 'superimposed on that of the cells 5, the cells 5 being disposed substantially in the middle of the depressions 5'. This provision particularly favors the collection of water.

The depressions 5 'which are not adjacent to the periphery 12 of the bottom 10 of the tank 2' are delimited by six edges 8. As a variant, other geometries are possible, for example depressions 5 'delimited by four edges arranged in a square shape. or diamond.

The apparatus shown in FIGS. 7 and 8 differs from the preceding apparatus in that the heating means 4 "are disposed above the bottom 10 of the tank 2", close to the inner surface 9 of the bottom 10, and the inner surface 9 of the bottom 10 forms a network of depressions 5 '. The tank 2 "is for example made of stainless steel sheet by stamping, depressions 5 'being obtained by deformation of the bottom 10. The heating means 4" are formed by a shielded heating element immersed in the cooking bath. The heating means 4 "can be mounted fixed or removable The tank 2" can be mounted fixed or removable in the housing of the apparatus.

As best seen in FIG. 7, the depressions 5 'have rounded shapes and the edges 8' defining two adjacent depressions 5 'are also rounded, the radii of curvature at the apex of the ridges 8' and the radii of curvature at the bottom of the 5 'depressions being neighbors. Alternatively, the radius of curvature of the edges 8 'could be smaller than the radius of curvature of the depressions 5'.

As best seen in FIG. 8, the depressions 5 'are absent from the inclined periphery 12 of the bottom 10 but occupy substantially all the rest of the bottom 10. The depressions 5' are connected together to occupy most of the bottom 10, this provision also promotes the collection of water. The depressions 5 'have a hexagonal geometry. Alternatively, other forms are possible.

The distance between the center of two adjacent depressions 5 'is preferably greater than 0.5 cm and the depth of the depressions 5' is preferably greater than 1 mm.

Many improvements can be made to these devices as part of the claims.

Alternatively, the tank may be internally coated with an anti-adherent coating, formed for example by a fluoropolymeric compound such as PTFE. Zones of savings, in which the coating is absent, can be envisaged, especially in the areas of the tank closest to the heating means.

Claims (10)

<B> CLAIMS </ B>
1. Domestic cooking electric appliance, comprising in a housing (1) a vessel (2; 2 '; 2 ") intended to receive a frying bath, and heating means (4; 4'; 4") arranged near the inner surface (9) of the bottom (10) of the tank, characterized in that an array of cells (5) and / or depressions (5 ') is distributed on the inner surface (9) of the bottom (10) of the tank (2; 2 '; 2 ").
2. Apparatus according to claim 1, characterized in that the inner surface (9) of the bottom (10) of the tank (2; 2 '; 2 ") is coated with an anti-adherent coating.
3. Apparatus according to claim 2, characterized in that the anti-adherent coating is a fluoropolymer compound.
4. Apparatus according to one of claims 1 to 3, characterized in that the inner surface (9) of the bottom (10) of the tank (2) has a raised area (6) in which are arranged the heating means ( 4).
5. Apparatus according to claim 4, characterized in that the raised zone (6) forms a coil traversing the bottom surface (10) of the tank (2), the cells (5) and / or the depressions being arranged between the branches of the coil and / or between the branches of the coil and the periphery (12) of the bottom (10) of the tank (2).
6. Apparatus according to one of claims 4 or 5, characterized in that the heating means (4) are formed by a shielded heating element.
7. Apparatus according to claim 6, characterized in that the shielded heating element is mounted in the housing (1), the vessel (2) being removable.
8. Apparatus according to one of claims 1 to 7, characterized in that the inner surface (9) of the bottom (10) of the vessel (2 ') has declivities (7) towards the cells (5).
9. Apparatus according to one of claims 1 to 7, characterized in that the depressions (5 ') are adjacent.
10.Apparatus according to one of claims 1 to 9, characterized in that it comprises a cover (3).
FR9907985A 1999-06-18 1999-06-18 Domestic electric cooking appliance, provided for frying Expired - Fee Related FR2794959B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9907985A FR2794959B1 (en) 1999-06-18 1999-06-18 Domestic electric cooking appliance, provided for frying

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9907985A FR2794959B1 (en) 1999-06-18 1999-06-18 Domestic electric cooking appliance, provided for frying
PCT/FR2000/001663 WO2000078193A1 (en) 1999-06-18 2000-06-15 Electrical household cooking appliance designed for frying, and cooking vessel for same
AU62870/00A AU6287000A (en) 1999-06-18 2000-06-15 Electrical household cooking appliance designed for frying, and cooking vessel for same

Publications (2)

Publication Number Publication Date
FR2794959A1 true FR2794959A1 (en) 2000-12-22
FR2794959B1 FR2794959B1 (en) 2001-08-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR9907985A Expired - Fee Related FR2794959B1 (en) 1999-06-18 1999-06-18 Domestic electric cooking appliance, provided for frying

Country Status (3)

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AU (1) AU6287000A (en)
FR (1) FR2794959B1 (en)
WO (1) WO2000078193A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE462379C (en) * 1928-07-10 Carl Soppe Device for frying fish or the like.
FR1101042A (en) 1954-04-26 1955-09-27 Aro S A Bienne Frying machine
FR1258317A (en) * 1960-02-27 1961-04-14 Fryer ribbed inner wall avoiding the rapid degradation of the frying bath
FR1561396A (en) 1968-02-05 1969-03-28
CA1050294A (en) * 1976-09-13 1979-03-13 Thermo Electron Corporation Deep fat fryer
GB1558036A (en) * 1977-02-16 1979-12-19 Hice H B Method and apparatus for cooking food
GB2298780A (en) * 1995-03-16 1996-09-18 Nova Electro Int Tank for cooking appliance

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE462379C (en) * 1928-07-10 Carl Soppe Device for frying fish or the like.
FR1101042A (en) 1954-04-26 1955-09-27 Aro S A Bienne Frying machine
FR1258317A (en) * 1960-02-27 1961-04-14 Fryer ribbed inner wall avoiding the rapid degradation of the frying bath
FR1561396A (en) 1968-02-05 1969-03-28
CA1050294A (en) * 1976-09-13 1979-03-13 Thermo Electron Corporation Deep fat fryer
GB1558036A (en) * 1977-02-16 1979-12-19 Hice H B Method and apparatus for cooking food
GB2298780A (en) * 1995-03-16 1996-09-18 Nova Electro Int Tank for cooking appliance

Also Published As

Publication number Publication date
AU6287000A (en) 2001-01-09
FR2794959B1 (en) 2001-08-17
WO2000078193A1 (en) 2000-12-28

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Effective date: 20060228