WO1999063872A1 - Appareil electrique de cuisson, notamment friteuse - Google Patents
Appareil electrique de cuisson, notamment friteuse Download PDFInfo
- Publication number
- WO1999063872A1 WO1999063872A1 PCT/FR1999/001304 FR9901304W WO9963872A1 WO 1999063872 A1 WO1999063872 A1 WO 1999063872A1 FR 9901304 W FR9901304 W FR 9901304W WO 9963872 A1 WO9963872 A1 WO 9963872A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heating element
- bimetallic strip
- tank
- switch
- supply circuit
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1266—Control devices, e.g. to control temperature, level or quality of the frying liquid
Definitions
- the present invention relates to electric cooking appliances, in particular but not exclusively to electric fryers intended for cooking, in a particular oil bath, of foods such as fries, fish or meat, and comprising, in a housing, a metal tank and a heating element attached externally to the bottom of the tank.
- the object of the invention is in particular to alleviate these drawbacks and to produce in an simple and inexpensive manner an electric cooking appliance, of the type described above, which has great operational safety with regard to any risk. linked to the absence of oil or to the insufficient quantity of oil in the tank.
- the apparatus further comprises a bimetallic strip arranged in direct thermal contact with the heating element, and displaceable in response to an excess of heat produced by the heating element during operation of the apparatus and corresponding to a substantially empty tank, to come and occupy an active position in which it controls the opening of the electrical supply circuit of the heating element.
- excess heat is meant heating of the heating element occurring for a temperature of this element which exceeds a predefined maximum temperature representative of a tank empty of oil or insufficiently filled with oil.
- the bimetallic strip being arranged in perfect heat exchange condition with the heating element, it is understood that any excessive heating of this element causes a displacement of the bimetallic strip in order to quickly cut the heating when the tank is empty of oil or is insufficiently filled with oil, thus providing an optimal guarantee of safety for the user.
- the bimetallic strip constitutes a body sensitive to temperature which is in itself simple, inexpensive and reliable.
- FIG. 1 is a partial schematic view in vertical section of a cooking appliance, such as a fryer, in normal operation;
- Figure 2 is a view similar to Figure 1, for an empty oil tank.
- the electric fryer comprises an external box 1 shown here schematically in phantom, which delimits an enclosure closed by a cover (not shown), and inside which is arranged a metal tank 2, for example of rectangular shape, provided externally on its bottom 4 of an electric heating element 5, suitable for heating the tank and constituted for example by an armored resistance which is attached to the external face 4a of the bottom 4 of the tank by any suitable fixing means, for example by welding.
- a metal tank 2 for example of rectangular shape, provided externally on its bottom 4 of an electric heating element 5, suitable for heating the tank and constituted for example by an armored resistance which is attached to the external face 4a of the bottom 4 of the tank by any suitable fixing means, for example by welding.
- the tank 2 provided with the heating resistor 5 is mounted fixed, in a manner known per se, in the housing 1.
- the tank 2 provided with the heating resistor 5 can also be removably mounted in the housing 1, without thereby departing from the scope of the invention.
- the tank 2, present in the housing 1, is intended to contain an oil bath 7 for cooking by immersion of food, such as for example fries 8, contained in a frying basket 9, as illustrated in the figure 1.
- the tank 2 is produced by stamping a sheet metal plate, for example of steel, and is then covered internally and externally with a heat-resistant coating, for example enamel, which makes cleaning easier. of the vessel and to avoid adhesion of food on the Internal Surface ⁇ higher of the vessel.,
- a heat-resistant coating for example enamel
- the armored heating resistor 5 has for example a triangular cross section, as visible in FIGS. 1 and 2, and is advantageously shaped as a coil making it possible to promote its thermal contact over the entire length and the entire width of the bottom 4 of the tank 2 rectangular in this example.
- the electric fryer further comprises a bimetallic strip 11 disposed in direct thermal contact with the heating resistor 5 and displaceable in response to an excessive heating of the resistor 5 occurring during the operation of the fryer and corresponding to a tank 2 substantially empty of oil (Figure 2), so as to come to occupy an active position, as illustrated in Figure 2, in which it controls the opening of the electrical supply circuit of the heating resistor 5.
- the bimetallic strip 11 has a generally elongated, approximately rectangular shape extending flat below the heating resistor 5, in a direction substantially parallel to the width of the tank 2
- the bimetallic strip 11 has a first free end 13, slightly curved upwards, which is in point contact, denoted P in FIG. 1, against a section of the heating resistor 5, and a second end 15 which is pivotally mounted on the body 17 of a safety switch 19 arranged in the electrical supply circuit of the heating resistor 5.
- the safety switch 19 is of the normally open type and comprises a movable control button 20, associated with a return spring 22, the actuation of which is subject to the pivoting of the bimetallic strip 11 and the pressing closes the contacts; this switch 19 has electrical connections 23, 24 intended to be connected to the electrical supply circuit of the heating resistor 5.
- This direct mounting of the bimetallic strip 11 on the body of the safety switch 19 advantageously makes it possible to obtain a safety device which is particularly compact and space-saving within the fryer.
- the bimetallic strip 11 also acts, advantageously, as a control member for the opening and closing of the switch 19.
- the bimetallic strip 11 occupies a rest position in which it bears by its free end 13 on the heating resistor 5 and holds down the button 20 of the switch 19, against the return spring 22, which switch 19 is in the closed state and authorizes the passage of current in the electrical supply circuit of the heating resistor 5.
- the temperature of the resistor 5 remaining below a maximum admissible temperature, the bimetallic strip 11 does not heat up not enough to be able to deform.
- the tem perature ⁇ the resistor 5 rapidly increases to exceed the maximum allowable temperature, thus causing heat exchange by a suitable deformation of the free end 13 of bimetallic strip 11; as a result of this deformation, the bimetallic strip 11 swings counterclockwise to come to occupy its active position (FIG. 2) in which it releases the button 20 from the switch 19, which button 20 goes back up under the action of its return spring 22 and causes the switch 19 to open, thus allowing rapid cut-off by heating cycle of the resistor 5.
- the free end 13 of the bimetallic strip 11 remains in point contact, noted Q in this FIG. 2, when the bimetallic strip occupies its active position.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Frying-Pans Or Fryers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99923658A EP1083813A1 (fr) | 1998-06-08 | 1999-06-03 | Appareil electrique de cuisson, notamment friteuse |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR98/07673 | 1998-06-08 | ||
FR9807673A FR2779336B1 (fr) | 1998-06-08 | 1998-06-08 | Appareil electrique de cuisson, notamment friteuse, comportant un dispositif de securite |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999063872A1 true WO1999063872A1 (fr) | 1999-12-16 |
Family
ID=9527529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1999/001304 WO1999063872A1 (fr) | 1998-06-08 | 1999-06-03 | Appareil electrique de cuisson, notamment friteuse |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1083813A1 (fr) |
CN (1) | CN1311642A (fr) |
FR (1) | FR2779336B1 (fr) |
WO (1) | WO1999063872A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11234559B2 (en) | 2015-01-09 | 2022-02-01 | Strix Limited | Apparatus for heating food |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996005761A1 (fr) * | 1994-08-22 | 1996-02-29 | Seb S.A. | Securite electrique pour appareil de chauffe pour aliments |
FR2724835A1 (fr) * | 1994-09-27 | 1996-03-29 | Moulinex Sa | Friteuse electrique |
EP0783861A1 (fr) * | 1996-01-12 | 1997-07-16 | Kenwood Marks Limited | Appareil à chauffage éléctrique |
WO1998001064A1 (fr) * | 1996-07-03 | 1998-01-15 | Seb S.A. | Friteuse a cuve amovible |
-
1998
- 1998-06-08 FR FR9807673A patent/FR2779336B1/fr not_active Expired - Fee Related
-
1999
- 1999-06-03 EP EP99923658A patent/EP1083813A1/fr not_active Withdrawn
- 1999-06-03 WO PCT/FR1999/001304 patent/WO1999063872A1/fr not_active Application Discontinuation
- 1999-06-03 CN CN 99809075 patent/CN1311642A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996005761A1 (fr) * | 1994-08-22 | 1996-02-29 | Seb S.A. | Securite electrique pour appareil de chauffe pour aliments |
FR2724835A1 (fr) * | 1994-09-27 | 1996-03-29 | Moulinex Sa | Friteuse electrique |
EP0783861A1 (fr) * | 1996-01-12 | 1997-07-16 | Kenwood Marks Limited | Appareil à chauffage éléctrique |
WO1998001064A1 (fr) * | 1996-07-03 | 1998-01-15 | Seb S.A. | Friteuse a cuve amovible |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11234559B2 (en) | 2015-01-09 | 2022-02-01 | Strix Limited | Apparatus for heating food |
Also Published As
Publication number | Publication date |
---|---|
FR2779336B1 (fr) | 2002-05-31 |
FR2779336A1 (fr) | 1999-12-10 |
EP1083813A1 (fr) | 2001-03-21 |
CN1311642A (zh) | 2001-09-05 |
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