EP0503038A1 - Ensemble de cuisson pour cuisiniere ou table de cuisson, comportant au moins un generateur de chaleur integre. - Google Patents
Ensemble de cuisson pour cuisiniere ou table de cuisson, comportant au moins un generateur de chaleur integre.Info
- Publication number
- EP0503038A1 EP0503038A1 EP91917312A EP91917312A EP0503038A1 EP 0503038 A1 EP0503038 A1 EP 0503038A1 EP 91917312 A EP91917312 A EP 91917312A EP 91917312 A EP91917312 A EP 91917312A EP 0503038 A1 EP0503038 A1 EP 0503038A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- movable
- cooking
- heat generator
- assembly according
- movable cover
- 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
Links
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/08—Arrangement or mounting of burners
- F24C3/085—Arrangement or mounting of burners on ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2203/00—Gaseous fuel burners
- F23D2203/10—Flame diffusing means
- F23D2203/105—Porous plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2212/00—Burner material specifications
- F23D2212/20—Burner material specifications metallic
- F23D2212/201—Fibres
Definitions
- the present invention relates to a cooking assembly for stove or hob, of the type comprising a hob and at least one integrated heat generator for heating a container without being directly in contact with it.
- Cooking sets using gas, natural or LPG burners have been known for a long time with the advantages they provide (flexibility, low inertia, immediate visibility of the settings), but also with their drawbacks (presence of a shaped grill frame, whose frequent cleaning is necessary, and whose aesthetic seems more and more outdated, even with the recent use of a molded glass plate on which are placed the gas burners, as illustrated for example in documents US-A-3,592,180 and US-A-3,597,135).
- Cooking assemblies using electric resistance plates have also been known for a long time, using no frame-shaped grate since the containers to be heated are placed directly on the heating plates, but with their drawbacks (high inertia, and adjustment difficult to view).
- the object of the invention is to design a cooking assembly, the design of which makes it possible to obtain the main advantages of the most recent electric cooking plate systems, while avoiding the drawbacks of known techniques as regards their inertia and their safety. .
- the invention also aims to allow, if desired, the use of gas burners, with the specific advantages of gas, and without limitation as to the type of burner used.
- the object of the invention is also to design a cooking assembly allowing the use of a wtroceramic cooking plate, without having the risk of excessive heating of said plate, and without confinement of atmosphere under it.
- a cooking assembly for stove or hob comprising a cooking plate and at least one heat generator making it possible to heat a container without being directly in contact with it, characterized by the fact that the hob has an opening associated with each heat generator and allowing a direct action of said generator through said opening when the corresponding heat generator is used, said heat generator being integrated in a well disposed under the hob, coaxially to the associated opening, and by the fact that retractable closing means are associated with each opening, said retractable closing means comprising a movable cover closing the associated opening when said heat generator is not used, said cover being detachable thanks to motorized means of displacement between an ob position turation in which the heat generator is hidden, said cover then flush with the upper plane of said cooking plate, and a retracting position in which said heat generator is unmasked for use.
- the cooking plate and the movable cover (s) are made of glass ceramic or molded glass, or else of a solid material consisting of mineral substances coated with a binder of organic polymer.
- the movable cover is in the form of a circular or oval cup, the upper face of which is flush with the upper plane of the cooking plate when said cover is in the closed position.
- the movable cover has a beveled lateral edge, and preferably conical, cooperating with the homologous inner edge of the associated opening when said cover is in the closed position; in particular, the lateral edge of the movable cover has a cylindrical upper part on which a high temperature resistant seal is threaded.
- the motorized displacement means carry out a vertical displacement of the movable cover when the latter is in line with the associated opening, and a horizontal displacement of said movable cover below the plate. cooking when the latter is released from said associated opening.
- the motorized displacement means are common to several movable lids, and comprise a common support assembly to which said movable lids are secured, said common support assembly being movable in rotation in a horizontal plane, around a vertical axis, and movable in translation along said vertical axis.
- the motorized displacement means comprises an electromagnet ensuring the vertical translation of the common support assembly, and a motor ensuring the rotation of said support assembly in a horizontal plane by means of an associated transmission, such as a gear or belt transmission; it is also possible to provide that the common support assembly is equipped with a clutch system making it possible to set in motion a single movable cover in the group of covers concerned.
- the motorized displacement means are associated individually with each movable cover, and comprise an individual support assembly on which the associated movable cover is mounted, said individual support assembly being movable in translation along a vertical axis, and movable in translation or in rotation in a horizontal plane.
- each movable cover is mounted on an articulated arm disposed on a sliding carriage actuated by an associated motor, so that said movable cover is displaceable in vertical translation by tilting of said arm, and displaceable in horizontal translation by sliding said carriage; in particular, the pivoting of the articulated arm is ensured by a fixed stop for the raising of the movable cover, and by a return spring connected to the sliding carriage for the descent of said movable cover.
- each movable cover is mounted on a horizontal oscillating arm mounted by a nut on a vertical threaded rod, eccentric with respect to the associated opening, and whose rotation is ensured by an associated motor, the screw-nut system thus formed being capable of frictionally driving said horizontal oscillating arm for pivoting thereof when said movable cover is released from said associated opening.
- the well in which the heat generator is integrated coaxially supports a movable chimney vertically while remaining under the hob, said chimney being movable between a low position in which it allows the passage of the mobile cover during the horizontal displacement of cellular-cl, and a high position in which it closes the space surrounding said heat generator.
- the well in which the heat generator is integrated coaxially supports a retractable support grid capable of passing through the associated opening, said grid being movable vertically between a low position in which it allows the passage of the movable cover during the horizontal displacement of cellular-cl. and a high position in which it projects from the upper plane of the hob so as to provide support for the container to be heated.
- the movable chimney and / or the retractable support grid is connected to the well by a system of inclined ramps allowing their vertical displacement by a relative rotation with said well; in particular, the retractable support grid is placed freely on the movable chimney, and the movable chimney is placed freely on the well which is fixed, the vertical movement of the movable assembly constituted by said grid and said chimney being provided by a motor causing the chimney to rotate about the axis of said fixed well.
- the well in which the heat generator is integrated has, in the vicinity of its periphery, an annular channel constituting a retention volume for overflows.
- the mobile chimney has an inner flange of support on which the retractable support grid is placed, said flange ending in a free converging lower edge to channel the overflows in the annular channel.
- the heat generator is detachably fixed in the associated well to facilitate access to said well for cleaning; in particular, the heat generator is screwed or clipped onto the base of the well, at the level of an interior collar of said well which delimits the air-gas mixture supply chamber.
- the heat generator is a natural gas or LPG burner; in particular, the heat generator is a radiant burner or a fibrous or porous burner, ceramic or metallic, each burner preferably being supplied with air by an associated fan, this air inducing the gas necessary for making the mixture via a venturi at the neck from which the gas is injected.
- the heat generator can be an electric generator, of the Joule effect type, or with halogen lamps.
- FIG. 1 thus illustrating the retracting position of the cover and FIG. 2 the closing position of the latter;
- FIGS. 3a and 3b illustrate specific examples of lids in the form of cups with beveled lateral edge, with, for Figure 3b, a seal assembly;
- FIGS. 6 and 7 illustrate in section, respectively in the closed position and in the retracted position, a movable cover with its individual support assembly with articulated arm and sliding carriage, making it possible to subject said cover to a vertical translation and horizontal translation;
- FIG. 8 and 9 illustrate, respectively in the closed position and in the retracted position, a movable cover with another alternative individual support assembly, consisting of a horizontal oscillating arm and a screw-nut system;
- FIG. 10a illustrates a variant with a sliding shutter chimney (here in the high position) supported by the well in which the heat generator is integrated (the movable cover and the associated motorized means of movement not being shown);
- FIG. 10b illustrates another variant with retractable support grid (here in the high position), the movement of which is ensured by a system of inclined ramps;
- FIG. 1 1 illustrates a particular heat generator which can be integrated in the fixed well, said generator here being a radiant burner i metal fibers;
- FIG. 12 is a diagram illustrating a preferred mode of supply of the preceding radiant burner, with an air supply by fan;
- FIG. 13 illustrates in section a complete embodiment with a heat generator (of the type illustrated in FIG. 11) integrated in a fixed well and with movable cover, with sliding chimney and support grid placed freely on said chimney, the half-cut on the left corresponding to a position for closing the cover and the half-cut on the right to a position for retracting the latter, in which the support grid protrudes from the upper plane of the hob ;
- a heat generator of the type illustrated in FIG. 11
- Figures 14 and 15 illustrate, respectively in section and in top view (Figure 14 being the section along XIV-XIV of Figure 15), the well of the cooking assembly illustrated in Figure 1 3;
- FIG. 16 and 17 illustrate, respectively in section and in top view (Figure 16 being the section along XVI-XVI of Figure 17), the sliding chimney of this same assembly, whose grid support flange is better visible on the enlarged detail section of Figure 18:
- - Figure 19 is a top view of the support grid of the same assembly, the structure of which is also detailed by the associated section of Figure 20, which is a section along XX-XX of Figure 19, and by view of Figure 21 which illustrates two radial sectors of said support grid;
- FIG. 22 illustrates in top view another possible form of support grid, in the form of petals, the curved profile constituting the contour line may be of any section, in particular circular or polygonal.
- the cooking assembly for stove or hob which will be described is of the type comprising a cooking plate and at least one heat generator making it possible to heat a container without being directly in contact with it.
- the cooking assembly comprises a cooking plate having an opening associated with each heat generator and allowing direct action of said generator by said opening when the corresponding heat generator is used, and retractable closure means comprising a movable cover are associated with each opening, closing said opening when the corresponding heat generator is not used, then flush with the upper plane of said cooking plate, and unmasking said opening when said generator heat should be used.
- FIG. 1 and 2 Such an arrangement is illustrated in Figures 1 and 2, where there is a cooking plate 1 having an opening 4 associated with a heat generator 200 which is integrated in a fixed well 201, for example being fixed by means of a support 204 connecting to the bottom 206 of the well 201; the closure means comprise a movable cover 203 closing the associated opening 4 when the heat generator 200 is not used: the movable cover is movable, by means of motorized displacement means which will be described later, between a position shutter ( Figure 2) in which the heat generator is hidden, and a retracting position (Figure 1) in which said heat generator is unmasked for use.
- the well 201 must allow the passage of the movable cover 203, and has for this purpose a lateral opening 202, which relates to part or all of the peripnery at well 201.
- the arrows indicated in phantom in Figure 1 aim to make it clear that the movable cover 203 must be able to be moved on the one hand in a vertical translation parallel to the axis 10 of the associated opening 4, this in order to release the cover to release the opening 4 or, on the contrary, to close said opening to mask the heat generator 200, and on the other hand in a lateral movement, essentially in a horizontal plane, when the movable cover is in the low position, this in order to completely unmask the burner 200, or on the contrary to bring the cover back to the right of its housing for closing the opening 4.
- the cooking plate 1 can serve as a direct support for the container to be heated, which nonetheless requires in this case to provide an opening 4 whose dimensioning is compatible with the most small container and a flue gas outlet.
- Such a solution is elegant insofar as it makes it possible to avoid providing a support grid for the container to be heated: on the other hand, for the most powerful burners, it risks posing a problem of pfd.
- the cover (s) 203 can be in the most diverse forms but, for obvious reasons of efficiency, contact between the combustion products and the receptacles must be encouraged, so that a circular or oval shape will be required in the practice. A more elongated shape, substantially oval, may prove to be particularly advantageous for particular applications (fish dishes, grills, etc.).
- These covers will advantageously be made with the same material as that constituting the hob, that is to say for example in molded glass or glass ceramic, or in a solid material formed by mineral substances coated with a binder of organic polymer, provided naturally that this material is sufficiently resistant mechanically and thermally.
- FIGS. 3a and 3b illustrate particular examples of cups with bevelled lateral edge, with, for FIG. 3b, a seal assembly. It is indeed advantageous to provide a good seal against water when the movable cover is in the closed position.
- the movable cover 203 has a beveled lateral edge 207, preferably conical, cooperating with the homologous inner edge 5 of the associated opening 4 of the cooking plate 1 when said cover is in position shutter.
- Such a solution is particularly advantageous in the case of a ceramic glass hob, molded glass, or made of agglomerated mineral substances, and it will then be advantageous to also provide for running in of said facing faces, for more intimate contact. of these.
- Figure 3b illustrates for running in of said facing faces, for more intimate contact.
- the lateral edge of the movable cover 203 has a cylindrical upper part 208, on which is threaded a seal 209 made of a material, such as an elas ⁇ omer, resistant to high temperatures.
- the homologous inner edge of the opening 4 of the cooking plate 1 will then have, in the extension of the aforementioned conical edge 5, a cylindrical part 6 so as to provide just sufficient crushing of the seal 209 when the seal 203 is in the closed position.
- the cooking plate 1 and the cover (s) 203 are made of the same material, in particular glass ceramic, molded glass, or made of agglomerated mineral substances, as indicated above.
- FIGS. 4 to 9 give by way of example an illustration of three types of motorized means of displacement.
- the motorized displacement means are common to several movable lids 203 (here common to four movable lids), and comprise a common support assembly 210 to which are movable lids 203, said common support assembly being mobile in rotation in a horizontal plane, around a vertical axis, and mobile in translation along said vertical axis.
- the common support assembly 210 thus has a branch 21 1 associated with each of the lids concerned 203, these branches meeting at a vertical portion 212 constituting the aforementioned vertical axis of the common support assembly.
- An electromagnet 213 can ensure vertical translation, and a motorized device 214 realizes the rotation of the support assembly 210: this device can be a motor which makes it possible to ensure the rotation of said support assembly in a horizontal plane by l 'via an associated transmission, such as a gear or belt transmission. In this case, all the movable lids 203 are released at the same time.
- This solution has the advantage of simplicity, but it is true that it does not perfectly protect the cooking assembly in the event of an overflow on one of the burners in operation reaching up to burners at a standstill which can thus be wet and / or soiled.
- the cooking assembly will be equipped with electronic control and synchronization means, so as to produce, according to a predetermined sequence, the movement of the movable cover (s) 203 during the operating control of one or more several heat generators 200, the ignition of which can only occur after complete erasure of the mobile cover (s) concerned.
- the embodiments illustrated in FIGS. 6 and 7 on the one hand, and in FIGS. 8 and 9 on the other hand, relate to the case of motorized means of displacement associated individually with each movable cover 203.
- the means then comprise an individual assembly support on which is mounted the associated movable cover, said individual support assembly being movable in translation along a vertical axis, and movable in translation or in rotation in a horizontal plane.
- each movable cover 203 is mounted on an articulated arm 215 arranged on a sliding carriage 217 actuated by an associated motor, so that the movable cover 203 is displaceable in vertical translation by tilting the arm articulated 215, and is movable in horizontal translation by displacement of the carriage 217.
- the arm 21 5 is articulated by a pivot 216 on the carriage 217, and a return spring 220 tends to return the articulated arm 215 in a tilted position corresponding to a low position of the movable cover 203 ( Figure 7).
- the carriage 217 moves on a horizontal or inclined ramp, and laterally comprises a rack 217 'meshing with a pinion 218 secured to the output shaft of a control motor (not shown here).
- a control motor not shown here.
- the movable cover 203 When the movable cover 203 is in closed position ( Figure 6), the articulated arm 215 is in contact with the associated cam 219, and it is thus maintained in an essentially vertical position against the action of return spring 220, and the carriage 217 is in turn resting against the end of travel stop 221.
- the motor controls the retraction of the sliding carriage 217, which automatically causes the articulated arm 215 to tilt, and thereby realizes the retraction of the movable cover 203, thanks to the action of the return spring 220, and the sliding carriage can then move back to its position of support against the end of travel stop 222 which guarantees the complete retraction of the movable cover 2 03, as illustrated in FIG. 7.
- the limit stop 222 can serve as a control contact for the electronic control of the heat generator 200, and the two stops 221 and 222 preferably also serve as a contact for stopping the motor supply associated with the movement of the sliding carriage 217.
- each movable cover 203 is arranged on a horizontal oscillating arm 223 mounted by a nut 224 on a vertical threaded rod 225, which is eccentric with respect to the associated opening 204, and whose rotation is ensured by an associated motor 226 placed on a bottom F of the cooking assembly.
- the screw-nut system thus formed must be capable of frictionally driving the horizontal oscillating arm 223 for the pivoting thereof, when the movable cover 203 has just been or is released from the associated opening 4.
- the motor 226 is actuated to turn in the direction reverse, and bring the cover 203 to the right of the associated opening 4, by means of an end-of-travel stop (not shown here), then in said opening, the stopping of the motor 226 then being controlled by an axial stop of limit switch, for example associated with the nut 224 coming into contact with the underside of the cooking plate 1.
- the threaded rod ensures both the vertical movement and the rotation of the associated cover; it is however possible, according to a variant not illustrated here, to ensure vertical displacement by a cam system and inclined ramp, rotation being in turn ensured by a vertical rod similar to the preceding threaded rod.
- FIG. 10a illustrates a variant in which the fixed well 201, in which the heat generator 200 is integrated, coaxially supports a chimney 230 movable vertically while remaining under the cooking plate 1, said chimney being movable between a position low on which it allows the passage of the movable cover 203 during the horizontal movement thereof, and a high position in which eue closes the space 'surrounding said heat generator.
- the movable chimney 230 can close, in the high position, the opening 205 associated with the passage of the movable cover 203, which prevents, in the event of a large overflow, that the liquid reaches this opening, and then invades the lower zone. reserved for the drive mechanism.
- the movement of the movable chimney 230 can be controlled by any means, and a system by inclined ramp (not shown here) associated with the fixed well 201 which supports it will be preferred.
- FIG. 10b illustrates another variant in which the well 201, in which the heat generator 200 is integrated, coaxially supports a retractable support grid 240 capable of passing through the associated opening 4: the support grid 240 is movable vertically- ment between a low position in which it allows the passage of the movable cover 203 during the horizontal displacement thereof, and a high position in which it protrudes from the upper plane P of the cooking plate 1, so as to ensure the support of the container to be heated.
- This solution makes it possible to easily cope with the case of a container to be heated of small diameter, that is to say of a diameter smaller than that of the associated opening 4 of the cooking plate 1, while making it possible to maintain the container above the heat generator 200.
- the retractable support grid 240 is also advantageous even when the container to be heated has a diameter greater than that of the associated opening 4, insofar as it makes it possible to facilitate considerably the evacuation of combustion products, and thus optimally benefit from the energy supply by convection.
- the retractable support grid 240 is mounted on the movable chimney 230, which is connected to the well 201 by a system of inclined ramp allowing an overall vertical movement by a relative rotation with said well.
- a protruding stud 232 carried by the movable chimney 230, said stud penetrating into a lumen 231 comprising an inclined portion, which is formed in the lateral surface of the fixed well 201.
- the rotation of the chimney 230 around its axis 10 makes it easy to move from one position to another, both for the shutter cneminee 230 and for the support grid 240.
- heat generators are compatible with very diverse types of heat generators.
- all types of heat generators are suitable provided that they offer the qualities of performance, combustion hygiene, and size required. Mention may be made of "daisy" burners (natural gas or LPG), ceramic radiant burners (natural gas or LPG), blue radiant combination burners (natural gas or LPG), ceramic fiber burners (natural gas or LPG), and metal fiber burners (natural gas or LPG). It goes without saying that one can also use electric generators with Joule effect, or with halogen lamps.
- metal fiber radiant burners are a preferred solution since a significant part of the energy (20 to 30 ° o ) is directly transmitted in radiant form, which considerably improves the cooking efficiency such burners.
- the metal fiber material also has very low thermal inertia due to the conductivity of the fibers and the high porosity. The amount of heat accumulated is weak, and it is very easily restored.
- the entire surface in contact with the combustion products should offer the same quality: an insulating coating resistant to high temperature can then constitute an acceptable solution when the fibrous material does not cover all the burner surface.
- Such metallic fibrous burners can operate either in radiant mode (surface combustion incandescent carrying the most superficial fibers), or in blue flame mode when the speed of circulation of the air-gas mixture in the porous medium becomes greater than the speed of flame propagation of the same mixture. To obtain this operating mode, it is possible either to increase the surface power admitted to the burners, or to decrease the propagation speed by modifying the air / gas ratio.
- FIG. 1 1 illustrates a radiant burner of this type, which burner 200 comprises a burner body 250 supporting a thickness of fibrous material 252 closing the air-gas mixing chamber 251.
- the fibrous metal layer 252 is fixed to the body 250 by all medium, for example, as shown here, by a crimping ring 253, here in a T-shaped section, one wing of which covers the edge of the opening 4 of the cooking plate 1, with the interposition of a flat seal 253 ', for example in silicone, guaranteeing the flexibility required for mounting and a perfect seal against overflows.
- compression can be used by screwing on the cover, bonding with ceramic glue, riveting, stapling, or screwing.
- It can also be advantageous to provide a homogenization and distribution device a device shown here schematically in the form of a grid 254, ⁇ ui allows a uniform supply over the entire rear face of the fibrous material 252, avoiding the formation of preferential paths.
- FIG. 12 schematically illustrates an advantageous mode of supplying a radiant burner of the aforementioned type.
- a gas supply line 300 is thus distinguished, equipped with a regulator 301, and opening into a venturi 302; the air is supplied by a pipe 304 by means of a fan 303.
- each radiant burner 200 is supplied with air by an associated fan 303, and the air (produced by the associated venturi 302) induced via the venturi at level of the neck thereof the gas necessary for the preparation of the mixture.
- the gas pressure is regulated by the associated regulator 301, which is preferably controlled, by means of a loop 305, by the pressure of the air-gas mixture which is finally brought by the line 306 to the radiant burner 200.
- the fan control 303 which makes it possible to vary the air flow and therefore the power of the burner, can be done by an associated electric variator: this makes it possible to eliminate the presence of electric or electro-mechanical actuators, and to equip all of cooking sensitive touches.
- FIGS. 13 to 21 which will now be described illustrate a complete embodiment with a heat generator integrated in a fixed well and with a movable cover, with a sliding cneminée and a support grid placed freely on said chimney.
- the well 201 has, in the vicinity of its periphery, an annular channel 248 constituting a retention volume for overflows.
- This annular channel 248 is defined by an outer ring 235 ex an inner ring 247, the outer ring 235 serving to directly support the sliding chimney 230, and the inner ring 247 serving as for eile to ensure the maintenance of the heat generator 200.
- the well 201 hasdisposedférieurement an opening 255 serving for the admission of the air-gas mixture, said opening, arranged in a radial direction towards the axis 1 0, opening into a central chamber 249 which communicates with the interior chamber 257 of the heat generator 200.
- the heat generator 200 is held by its base flange 256, while being supported on a shoulder 258 of the well 201, inside the flange interior 247 of said well.
- the heat generator 200 is detachably fixed in the associated well 201 to facilitate access to said well for cleaning.
- the heat generator 200 will for example be screwed or clipped onto the base of the well, at the level of the internal flange 247 of said well which delimits the supply chamber of the air-gas mixture.
- the heat generator 200 which is of the radiant burner type with a fibrous metallic structure, comprises a fibrous metallic layer 252, here maintained by crimping thanks to a flap of the upper flange of the body 250 which locally crushes the periphery of ia fibrous layer 252, said layer resting on a rigid ring 259 forming a spacer. preferably made of metal, housed in the burner body 250.
- the outer ring 235 has an upper edge with a system of inclined ramps: we thus find successively, and distributed anguously. high horizontal portions 260, inclined ramps 262, and low horizontal portions 261.
- the angular distribution of these different portions will be defined by the angles e 0 , e 1 , e 2 , respectively associated with portions 260, 261 and 262: on preferably choose angles e 0 and e 1 equal to 30o, and an angle e 2 equal to 60 °.
- the geometry of the upper edge of this outer ring is naturally adapted to the homologous geometry of the chimney it supports, as will be explained below with reference to FIGS. 16 to 18.
- the chimney 230 has an outer ring 233 and an inner ring 234, the outer ring having a surface 236 capable of being driven by a roller or a gear 237 mounted on the output shaft 238 of a drive motor 239 (FIG. 13 ).
- the crown interior 234 of the chimney 230 has as for an en inclined bor 246 (f igure 1 6) allowing to support the grid 240. said grid being posed freely on the mobile chimney 230.
- the inner surf ace or support flange 246 on which is placed the retractable support grid 240 ends with a free converging lower edge 280 in order to channel the overflows in the annular channel 248 of the well 20 1.
- the chimney 230 also has, between its crowns 233 and 246. a bearing edge associated with the fixed well, having high horizontal portions 270, low horizontal portions 27 1, and inclined portions 272. these portions being naturally homologous with the corresponding portions provided on the well 20 1, We find this f has the same angular distribution, with the angles e 0 , e 1 and e 2 associated.
- the actuation of the motor 239 controls the rotation of the channel 230 around the axis 1 0. in one direction or the other, and consequently the raising or lowering of said chimney and the retractable support grid that she supports.
- the retractable support grid 240 is here produced in the form of two coaxial rings 242, for example produced from a metallic wire of round section approximately 2 mm, which are held by radial sectors 24 1, 24 1 ', said sectors having notches 243 and 244 associated with the passage of these two rings.
- the radial sectors 24 1 and 24 1 ′ here of different length, present externally an internal facet 245 whose inclination (angle e) is for example of the order of 1 2 °, this inclination being naturally chosen in relation to the shape of the support flange 246 provided on the chimney 230.
- the contour here includes an inner circle 265, from which project a plurality of petals (here three petals) each of the petals being defined by two radial branches 266 and a circular branch 267 connecting said radial branches.
- the curved profile constituting the contour line must be of any section, in particular circular or polygonal. When using a retractable support grid, this makes it possible to adapt the diameter of the openings 4 of the cooking plate 1 to the power of the heat generator 200 used. This solution thus allows a better distribution of heat, and the respective powers of the heat generators are directly accessible to the user. This allows in particular to widen the heating surface to avoid attack points on the containers to be heated, and to obtain a perfect match of the power to the heating surface.
- Joule effect electric generators with halogen lamps integrated in the fixed well 201.
- the direct heating of the container by halogen lamps undoubtedly improves the efficiency, and eliminates the thermal inertia when the lamps are no longer supplied.
- the halogen lamps will in this case preferably be placed on the periphery of the well, to escape thermal shocks due to projections.
- a gas air induction device may be used, provided however, in the case of a burner integrated in the fixed well, to ensure a sufficient supply of secondary air. It is also possible to use blown air, with a centralized air supply and a decentralized preparation of the air-gas mixture, as described above with regard to the f igure 12. In this case, a fan will individually supply each of the burners, and each burner will be equipped with its own valve to avoid pressure variations depending on the number of burners in operation.
- Air and gas can be dispensed by two valves controlled in parallel, in order to provide the desired mixture over the entire operating range; alternatively, the air will induce by a v enturi associates the gas necessary for the preparation of the mixture, the gas pressure then being regulated by a regulator piiotée by the air pressure downstream of the venturi, and the gas being injected at the level the neck of said venturi. as described above with reference to Figure 1 2.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Baking, Grill, Roasting (AREA)
- Gas Burners (AREA)
- Cookers (AREA)
- Electric Stoves And Ranges (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT91917312T ATE100563T1 (de) | 1990-10-01 | 1991-09-26 | Anlage zum kochen fuer kochherd oder kochplatte, mit wenigstens einem integrierten waermeerzeuger. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9012060A FR2667384A1 (fr) | 1990-10-01 | 1990-10-01 | Ensemble de cuisson pour cuisiniere. |
| FR9012060 | 1990-10-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0503038A1 true EP0503038A1 (fr) | 1992-09-16 |
| EP0503038B1 EP0503038B1 (fr) | 1994-01-19 |
Family
ID=9400799
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91917545A Expired - Lifetime EP0504355B1 (fr) | 1990-10-01 | 1991-09-26 | Ensemble de cuisson pour cuisiniere ou table de cuisson, comportant au moins un bruleur a gaz |
| EP91917312A Expired - Lifetime EP0503038B1 (fr) | 1990-10-01 | 1991-09-26 | Ensemble de cuisson pour cuisiniere ou table de cuisson, comportant au moins un generateur de chaleur integre |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91917545A Expired - Lifetime EP0504355B1 (fr) | 1990-10-01 | 1991-09-26 | Ensemble de cuisson pour cuisiniere ou table de cuisson, comportant au moins un bruleur a gaz |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US5313049A (fr) |
| EP (2) | EP0504355B1 (fr) |
| JP (2) | JPH05503767A (fr) |
| AT (1) | ATE115268T1 (fr) |
| AU (2) | AU8619691A (fr) |
| DE (2) | DE69101054D1 (fr) |
| ES (2) | ES2048598T3 (fr) |
| FR (1) | FR2667384A1 (fr) |
| WO (2) | WO1992006334A1 (fr) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4233470A1 (de) * | 1992-10-05 | 1994-04-07 | Bosch Siemens Hausgeraete | Kochmulde |
| FR2710726B1 (fr) * | 1993-09-30 | 1999-08-27 | Butagaz | Brûleur radiant à gaz pour cuisinière ou table de cuisson. |
| DE59400190D1 (de) * | 1994-05-24 | 1996-05-15 | Kolja Kuse | Arbeitsplattenkochfeld |
| FR2735562B1 (fr) * | 1995-06-19 | 1997-08-14 | Eurokera | Plaque de cuisson au gaz en vitroceramique et procede pour sa fabrication |
| AU1030897A (en) * | 1995-12-04 | 1997-06-27 | Aktiebolaget Electrolux | A resistive heating element for a cooker |
| DE29721603U1 (de) * | 1997-07-01 | 1998-01-29 | FCT Systeme der Strukturkeramik GmbH, 96528 Rauenstein | Kochfeld |
| IL138237A (en) | 2000-09-04 | 2008-12-29 | Stryker Gi Ltd | Double sleeve endoscope |
| US6807962B2 (en) * | 2002-01-28 | 2004-10-26 | Schott Glas | Kitchen gas cooking stove with a glass-ceramic, glass, or ceramic top, a gas cooktop with a glass-ceramic, glass, or ceramic top, and a glass-ceramic, glass, or ceramic top of a cooking stove or cooktop with a venting structure thereon |
| US7011300B2 (en) * | 2003-10-02 | 2006-03-14 | National Environmental Products, Ltd. | Steam humidifier and method |
| ITTO20050685A1 (it) * | 2005-09-30 | 2007-04-01 | Indesit Co Spa | Piano di cottura con bruciatore a gas comprendente un elemento semipermeabile |
| US7766005B2 (en) * | 2006-01-20 | 2010-08-03 | Lg Electronics Inc. | Gas radiation burner and controlling method thereof |
| DE102007043259A1 (de) * | 2007-09-11 | 2009-03-12 | BSH Bosch und Siemens Hausgeräte GmbH | Gaskochfeld |
| DE102008059789A1 (de) * | 2008-12-01 | 2010-06-02 | Wamsler Haus- und Küchentechnik GmbH | Kochfeld zum Anordnen über einem Wärmeerzeuger |
| NL2003212C2 (nl) * | 2009-07-16 | 2011-01-18 | Rvs Werken B V | Brandermodule voor een fornuis, een fornuis en werkwijze voor het vervaardigen daarvan. |
| JP5770554B2 (ja) * | 2011-07-26 | 2015-08-26 | 大阪瓦斯株式会社 | ガスコンロ |
| JP5770555B2 (ja) * | 2011-07-26 | 2015-08-26 | 大阪瓦斯株式会社 | コンロ |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7099A (en) * | 1850-02-19 | Lid for boiler-holes of cooking-stoves | ||
| DE84393C (fr) * | ||||
| FR961869A (fr) * | 1950-05-24 | |||
| US882040A (en) * | 1906-12-20 | 1908-03-17 | James R Windsor | Chocolate-warming table. |
| US874295A (en) * | 1907-02-02 | 1907-12-17 | Achill Walter Brand | Top for ranges. |
| FR469842A (fr) * | 1914-03-17 | 1914-08-12 | Richard Hadammoeck | Dispositif de fermeture et d'ouverture des orifices de cuisson pratiqués dans les plaques des fourneaux de cuisine |
| DE545522C (de) * | 1929-05-01 | 1932-03-03 | Erwin Weischet | Vorrichtung zur Bewegung und Unterbringung der Herdringe unterhalb der Herdplatte |
| US2045061A (en) * | 1931-10-30 | 1936-06-23 | Cleveland Co Operative Stove C | Stove or range |
| US2105596A (en) * | 1936-09-17 | 1938-01-18 | Tappan Stove Co | Gas range |
| US2439133A (en) * | 1943-11-11 | 1948-04-06 | Jenkins Francis John | Combined table and electrically heated hot plates |
| US2548032A (en) * | 1948-10-25 | 1951-04-10 | Phillips Petroleum Co | Process for increased olefin recovery in a petroleum refinery |
| US2761054A (en) * | 1953-01-08 | 1956-08-28 | Locher Oskar | Electric cooker for large kitchens |
| US3027936A (en) * | 1958-03-12 | 1962-04-03 | Whirlpool Co | Gas burner |
| US3468298A (en) * | 1967-01-23 | 1969-09-23 | Columbia Gas Syst | Gas stove |
| GB1262334A (en) * | 1969-04-02 | 1972-02-02 | Hikaru Naganuma | Gas burner with flashback prevention arrangement |
| US3597135A (en) * | 1969-04-30 | 1971-08-03 | Inst Gas Technology | Gas burner structure |
| US3592180A (en) * | 1969-05-05 | 1971-07-13 | Inst Gas Technology | Gas burner device |
| FR2159689A5 (fr) * | 1971-11-09 | 1973-06-22 | Equip Menager Cie Gle | |
| ITMI1973U22864U1 (it) * | 1973-11-30 | 1975-05-30 | Candy Spa | Cucina economica con coperchio ribaltabile, utilizzabile singolarmente o in disposizione ad incasso con piano di lavoro continuo. |
| US4349713A (en) * | 1980-02-19 | 1982-09-14 | Herman Marsen | Combined cooking and serving microwave apparatus |
| JPS57187512A (en) * | 1981-05-13 | 1982-11-18 | Masao Yoshizawa | Combustion plate for infrared ray radiant heater |
| GB8405681D0 (en) * | 1984-03-05 | 1984-04-11 | Shell Int Research | Surface-combustion radiant burner |
| US4569328A (en) * | 1984-05-02 | 1986-02-11 | Gas Research Institute | Efficient, low emissions gas range cooktop |
| GB2185564A (en) * | 1986-01-16 | 1987-07-22 | Thorn Emi Appliances | Pan support for cooking |
| US4689962A (en) * | 1986-01-17 | 1987-09-01 | The Boc Group, Inc. | Process and apparatus for handling a vaporized gaseous stream of a cryogenic liquid |
| EP0407393A1 (fr) * | 1989-01-31 | 1991-01-16 | Eku-Metallbau, Gastro-Grosskuchencenter | Bruleur a gaz a montage etanche solidaire d'une table de cuisson |
| JPH03194321A (ja) * | 1989-12-25 | 1991-08-26 | Toshiba Corp | 加熱調理器の安全装置 |
-
1919
- 1919-09-26 US US07/852,243 patent/US5313049A/en not_active Expired - Fee Related
-
1990
- 1990-10-01 FR FR9012060A patent/FR2667384A1/fr active Granted
-
1991
- 1991-09-26 JP JP3516226A patent/JPH05503767A/ja active Pending
- 1991-09-26 ES ES91917312T patent/ES2048598T3/es not_active Expired - Lifetime
- 1991-09-26 EP EP91917545A patent/EP0504355B1/fr not_active Expired - Lifetime
- 1991-09-26 AU AU86196/91A patent/AU8619691A/en not_active Abandoned
- 1991-09-26 EP EP91917312A patent/EP0503038B1/fr not_active Expired - Lifetime
- 1991-09-26 WO PCT/FR1991/000752 patent/WO1992006334A1/fr not_active Ceased
- 1991-09-26 JP JP3515779A patent/JPH05503766A/ja active Pending
- 1991-09-26 WO PCT/FR1991/000753 patent/WO1992006335A1/fr not_active Ceased
- 1991-09-26 US US07/852,220 patent/US5259361A/en not_active Expired - Fee Related
- 1991-09-26 AT AT91917545T patent/ATE115268T1/de not_active IP Right Cessation
- 1991-09-26 DE DE91917312T patent/DE69101054D1/de not_active Expired - Lifetime
- 1991-09-26 ES ES91917545T patent/ES2066478T3/es not_active Expired - Lifetime
- 1991-09-26 AU AU86589/91A patent/AU8658991A/en not_active Abandoned
- 1991-09-26 DE DE69105714T patent/DE69105714D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9206335A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE115268T1 (de) | 1994-12-15 |
| DE69105714D1 (de) | 1995-01-19 |
| FR2667384B1 (fr) | 1995-05-05 |
| WO1992006334A1 (fr) | 1992-04-16 |
| AU8619691A (en) | 1992-04-28 |
| JPH05503766A (ja) | 1993-06-17 |
| US5313049A (en) | 1994-05-17 |
| JPH05503767A (ja) | 1993-06-17 |
| EP0503038B1 (fr) | 1994-01-19 |
| ES2048598T3 (es) | 1994-03-16 |
| EP0504355B1 (fr) | 1994-12-07 |
| AU8658991A (en) | 1992-04-28 |
| FR2667384A1 (fr) | 1992-04-03 |
| ES2066478T3 (es) | 1995-03-01 |
| WO1992006335A1 (fr) | 1992-04-16 |
| EP0504355A1 (fr) | 1992-09-23 |
| DE69101054D1 (de) | 1994-03-03 |
| US5259361A (en) | 1993-11-09 |
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