EP1106930A1 - Table de cuisson à gaz - Google Patents
Table de cuisson à gaz Download PDFInfo
- Publication number
- EP1106930A1 EP1106930A1 EP00403376A EP00403376A EP1106930A1 EP 1106930 A1 EP1106930 A1 EP 1106930A1 EP 00403376 A EP00403376 A EP 00403376A EP 00403376 A EP00403376 A EP 00403376A EP 1106930 A1 EP1106930 A1 EP 1106930A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fins
- manifold
- space
- section
- gas hob
- 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
Definitions
- the invention relates to the field of gas cooktops, and including domestic gas cooktops.
- tables cooking gas contain one or more collectors bringing a first gaseous fluid, for example a mixture of gas and primary air, at one or several corresponding burners.
- gas hobs use also, for feeding the flame of the burner (s), a second gaseous fluid, for example secondary air.
- the invention provides a solution to reduce or eliminate this disturbance of the burner flame.
- the flow of the second fluid gas is carried out through an annular space. Using distributed fins around the collector (s), the rotational component of the flow of the second gaseous fluid is reduced or eliminated. So the flame of little or no disturbance to the burner.
- a gas hob comprising: a lower plate and an upper plate separated by a interplate space; at least one collector in which a first gaseous fluid and at least one section of which is located in space interplate; characterized in that the hob also includes: a annular space located between the upper plate and the manifold section, a second gaseous fluid capable of flowing from the interplate space to the outside of the hob, flowing through the annular space; several substantially flat fins distributed around the section of collector and directed substantially parallel to the axis of the section of manifold so that the second gaseous fluid can flow at the annular space with a rotational component substantially zero.
- FIG. 1 schematically shows an example of a table gas cooking according to the invention.
- the hob is shown in section.
- the arrows in dotted lines represent the flow of a first fluid gaseous which is for example a mixture of gas and primary air.
- the arrows in solid lines represent the flow of a second gaseous fluid which is for example secondary air.
- the hob is delimited by an upper plate 1 and a lower plate 2. Between the plates lower 2 and upper 1 is an interplate space 3.
- Let zc be central zone of the hob, i.e. the central zone as well plates 1 and 2 as interplate space 3 and let zp be the area peripheral of the hob, i.e.
- the hob has at least one collector 4.
- the hob is preferably rectangular or square and advantageously has four collectors located at the peripheral zone zp of the hob, for example one at each corner of the hob.
- the collector 4 comprises a section 41 of collector located in the interplate space 3.
- Between the plate upper 1 and the manifold 4 is an annular space 5.
- a ventilation device 6 generates the flow of the second gaseous fluid towards the interplate space 3.
- This ventilation device 6 is advantageously constituted by a fan 6 located under the central area zc of the bottom plate 2.
- the fins 7 will be described in more detail in the figure. 3.
- connection 8 between the bottom plate 2 and the manifold 4 is preferably waterproof.
- Interplate space 3 is preferably delimited, radially, towards the outside of the hob, by a seal 9 which tightly connects the upper 1 and lower 2 plates.
- H is the height of the interplate space 3.
- the first gaseous fluid for example a mixture of gas and air primary, flows into the collector 4. This flow is represented by arrows in dotted lines.
- a burner not shown here at the level of which is located the flame fed at the same time by the first and second gaseous fluids.
- the second gaseous fluid by example of secondary air, flows through the interplate space 3. This flow is represented by the arrows in solid lines.
- the second gaseous fluid passes through the fan 6, arrives in the central zone zc of the interplate space 3, and flows along the section or sections 41 of collector by the annular space or spaces 5 outside the interplate space 3. After passing through the annular space 5, the second gaseous fluid is directed to the burner not shown here to supply with the first fluid gaseous the flame of this burner.
- Figure 2 shows a detail of Figure 1, in which the fins 7 have been removed.
- the section 41 of the manifold 4 is located in the interplate space 3 located between the upper plate 1 and the plate lower 2.
- An annular space 5 for outward flow of the table cooking is located between the upper part of the section 41 of the collector 4 and the upper plate 1.
- the annular space 5 as the section of the collector 4 are advantageously circular; other forms, however less advantageous, are also possible.
- a fitting 8 tightly joins the lower part of the section 41 of manifold 4 to the bottom plate 2.
- the manifold 4 has an exterior surface 42 on the exterior from which the second gaseous fluid progresses.
- the flow of the second gaseous fluid is represented by arrows in solid lines. This flow has, in the absence of the fins 7, a rotational component important. Indeed, the second gaseous fluid rotates so important around section 41 of collector 4 in its progression towards the annular space 5.
- Figure 3 shows the same detail as in Figure 2, the fins 7 having been added.
- the arrows represent the flow of the second gaseous fluid outside the manifold 4, along the outer surface 42 of the manifold 4.
- the axis A of the section 41 of the manifold 4 is shown in lines mixed.
- the collector 4 does not necessarily have any particular symmetry, in which case the axis A is the mean direction of the manifold 4.
- This axis A is preferably perpendicular to the mean plane of the upper plates 1 and lower 2, that is to say that the axis A is vertical in FIG. 3 by example.
- the presence of the fins 7 makes it possible to reduce or eliminate the rotational component which appeared on figure 2.
- fins 7 makes it possible to obtain a flow substantially parallel to the axis A of the section 41 of manifold 4, that is to say having a component substantially zero rotational.
- the optimum is reached when the rotational component is zero, that is to say when the flow of the second gaseous fluid is parallel to the axis A of the section 41 of manifold 4.
- the fins 7 are directed substantially parallel to the axis A of the section 41 of the manifold 4, the optimum being when the fins 7 are parallel to the axis A of the section 41 collector 4.
- the fins 7 distributed around the section 41 of manifold 4 are substantially planar, planar fins constituting an optimum.
- the character substantially plane of the fins 7 and their direction substantially parallel to axis A of section 41 of manifold 4, contribute to channeling the flow of second gaseous fluid substantially parallel to the axis A of the section 41 of manifold 4, thereby reducing or eliminating the rotational component of the flow of the second gaseous fluid.
- the fins 7 are preferably substantially perpendicular to the outer surface 42 of the manifold 4, the optimum being reached when the fins are perpendicular to the outer surface 42 of the collector 4.
- the fins 7 are preferably rectangular, but they can also be beveled.
- the height h of the fins is substantially equal to the height H of the interplate space 3.
- the fins 7 are preferably closer to the upper plate 1 than to the lower plate 2.
- the length I of the fins 7 is for example greater than the width r of the annular space 5.
- the fins 7 extend radially from the space ring 5 as in Figure 3.
- the fins 7 are preferably at least at least five distributed around the collector 4. Furthermore, for the same purpose, the fins 7 are advantageously regularly distributed around the manifold 4, that is to say that the distribution of the fins 7 around the manifold 4 is advantageously as periodically as possible.
- the fins 7 preferably constitute a part independent in the form of a ring which can be mounted on the manifold 4. For this, the fins 7 are interconnected so united.
- the fins 7 are for example connected to each other from below, at using parts 70 as in FIG. 3.
- the independent ring made up by the fins 7 and the connecting parts 70 is for example a part molded in one piece.
- the fins 7 form an integral part of the manifold 4 so that the fins 7 and the manifold 4 form only one single piece.
- the fins 7 do not form preferably with the section 41 of the collector 4 only one piece monobloc.
- the assembly constituted by the section 41 of the collector 4 and the fins 7 then advantageously constitutes an independent part of the part of the manifold 4 located under the bottom plate 2.
- the fins 7 are interconnected integrally.
- the fins 7 are advantageously connected to each other from above, using a ring circular covering from the outside surface of section 41 of the manifold 4 part of the annular space 5, preferably less than the half of the surface of the annular space 5.
- the height h of the fins is greater than the height H of the interplate space, and exceeds even slightly the upper plate 1 which is advantageously a ceramic hob.
- the length I of the fins 7 is preferably less than the width r of the annular space 5, thus allowing mounting easy of the assembly constituted by the section 41 of manifold 4 and by the fins 7, assembly which can then be carried out from above, that is to say by the circular opening 5 that the plate has in this embodiment upper 1.
- said assembly constituted both by said ring and by said collector section consists of a single molded part easily achievable industrially.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Baking, Grill, Roasting (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
- la figure 1 représente schématiquement un mode de réalisation d'une table de cuisson gaz selon l'invention ;
- la figure 2 représente schématiquement un détail de la figure 1 sur lequel les ailettes ont été enlevées ;
- la figure 3 représente schématiquement un détail de la figure 1 avec une réalisation particulière et préférentielle des ailettes.
Claims (12)
- Table de cuisson gaz comportant :caractérisé en ce que la table de cuisson comporte aussi :une plaque inférieure (2) et une plaque supérieure (1) séparées par un espace interplaque (3) ;au moins un collecteur (4) dans lequel peut circuler un premier fluide gazeux et dont au moins un tronçon (41) est situé dans l'espace interplaque (3) ;un espace annulaire (5) situé entre la plaque supérieure (1) et le tronçon (41) de collecteur (4), un deuxième fluide gazeux pouvant circuler de l'espace interplaque (3) vers l'extérieur de la table de cuisson en s'écoulant par l'espace annulaire (5);plusieurs ailettes (7) sensiblement planes réparties autour du tronçon (41) de collecteur (4) et dirigées sensiblement parallèlement à l'axe (A) du tronçon (41) de collecteur (4) de manière à ce que le deuxième fluide gazeux puisse s'écouler au niveau de l'espace annulaire (5) avec une composante rotationnelle sensiblement nulle.
- Table de cuisson gaz selon la revendication 1, caractérisé en ce que la table de cuisson comporte aussi un dispositif (6) de ventilation générant l'écoulement du deuxième fluide gazeux vers l'espace interplaque (3).
- Table de cuisson gaz selon la revendication 2, caractérisé en ce que le dispositif (6) de ventilation est un ventilateur (6) situé sous la zone centrale (zc) de la plaque inférieure (2) et en ce que la table de cuisson comporte plusieurs collecteurs (4) répartis dans la zone périphérique (zp) de l'espace interplaque (3).
- Table de cuisson gaz selon l'une quelconque des revendications précédentes, caractérisé en ce que les ailettes (7) sont sensiblement perpendiculaires à la surface extérieure (42) du collecteur (4).
- Table de cuisson gaz selon l'une quelconque des revendications précédentes, caractérisé en ce que les ailettes (7) présentent une hauteur (h) supérieure à la hauteur (H) de l'espace interplaque (3).
- Table de cuisson gaz selon l'une quelconque des revendications précédentes, caractérisé en ce que les ailettes (7) sont régulièrement espacées autour du collecteur (4).
- Table de cuisson gaz selon l'une quelconque des revendications précédentes, caractérisé en ce que au moins cinq ailettes (7) sont réparties autour du collecteur (4).
- Table de cuisson gaz selon l'une quelconque des revendications précédentes, caractérisé en ce que les ailettes (7) ont une longueur (I) qui est de préférence inférieure à la largeur (r) de l'espace annulaire (5).
- Table de cuisson gaz selon l'une quelconque des revendications précédentes, caractérisé en ce que les ailettes (7) sont reliées entre elles de manière à former une bague indépendante pouvant être montée autour du collecteur (4).
- Table de cuisson gaz selon la revendication 9, caractérisé en ce que les ailettes (7) sont reliées entre elles par le haut par l'intermédiaire d'un anneau couvrant seulement une partie de l'espace annulaire (5) .
- Table de cuisson gaz selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les ailettes (7) font partie intégrante du collecteur (4) de manière à former une seule pièce monobloc.
- Table de cuisson gaz selon l'une quelconque des revendications précédentes, caractérisé en ce que le raccord (8) entre la plaque inférieure (2) et chacun des collecteurs (4) est étanche et en ce que la zone périphérique (zp) de l'espace interplaque (3) est délimitée vers l'extérieur de la table de cuisson par un joint étanche (9) reliant les deux plaques (1, 2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9915622A FR2802289B1 (fr) | 1999-12-10 | 1999-12-10 | Table de cuisson gaz |
| FR9915622 | 1999-12-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1106930A1 true EP1106930A1 (fr) | 2001-06-13 |
| EP1106930B1 EP1106930B1 (fr) | 2003-09-10 |
Family
ID=9553128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20000403376 Expired - Lifetime EP1106930B1 (fr) | 1999-12-10 | 2000-12-01 | Table de cuisson à gaz |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1106930B1 (fr) |
| DE (1) | DE60005116D1 (fr) |
| FR (1) | FR2802289B1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2592356B1 (fr) * | 2011-11-10 | 2018-02-14 | Electrolux Home Products Corporation N.V. | Grille de brûleur, plaque de cuisson au gaz, plaque de cuisinière au gaz et cuisinière au gaz |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2232482A (en) * | 1938-04-30 | 1941-02-18 | G & J Teller | Cooking range |
| FR1024416A (fr) * | 1950-09-08 | 1953-04-01 | Fonderies De La Seine Et De La | Brûleur à combustion interne pour appareil de chauffage ou autres applications, etappareils pour sa mise en oeuvre |
| EP0581655A1 (fr) * | 1992-07-28 | 1994-02-02 | Compagnie Europeenne Pour L'equipement Menager "Cepem" | Appareil de cuisson à gaz muni de brûleurs à gaz atmosphérique |
-
1999
- 1999-12-10 FR FR9915622A patent/FR2802289B1/fr not_active Expired - Fee Related
-
2000
- 2000-12-01 DE DE60005116T patent/DE60005116D1/de not_active Expired - Lifetime
- 2000-12-01 EP EP20000403376 patent/EP1106930B1/fr not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2232482A (en) * | 1938-04-30 | 1941-02-18 | G & J Teller | Cooking range |
| FR1024416A (fr) * | 1950-09-08 | 1953-04-01 | Fonderies De La Seine Et De La | Brûleur à combustion interne pour appareil de chauffage ou autres applications, etappareils pour sa mise en oeuvre |
| EP0581655A1 (fr) * | 1992-07-28 | 1994-02-02 | Compagnie Europeenne Pour L'equipement Menager "Cepem" | Appareil de cuisson à gaz muni de brûleurs à gaz atmosphérique |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2802289B1 (fr) | 2002-02-22 |
| DE60005116D1 (de) | 2003-10-16 |
| EP1106930B1 (fr) | 2003-09-10 |
| FR2802289A1 (fr) | 2001-06-15 |
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