• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a gas burner (2) for a domestic cooking appliance (1), with a burner housing (5), which comprises at least one gas outlet opening (10) that is traversable by a mixing primary air/fuel gas for the generation of flames, and with an adjustment device (11) which is configured to vary the opening cross section (a10) of the at least one exit opening of gas (10). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2645964A1
    申请号:ES201630764
    申请日:2016-06-07
    公开日:2017-12-11
    发明作者:Luis Acosta Herrero；Cesar Aguado Vela；Javier Corral Ricalde；Alberto Lopez Ortiz；Jose Salvador OCHOA TORRES；Emilio Placer Maruri；Cristina RUEDA SANUDO
    申请人:BSH Hausgeraete GmbH；BSH Electrodomesticos Espana SA；
    IPC主号:
    专利说明:

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    GAS BURNER AND DOMESTIC COOKING DEVICE
    DESCRIPTION
    The present invention refers to a gas burner for a domestic cooking appliance and a domestic cooking appliance with a gas burner of this type.
    The gas burners for domestic cooking appliances comprise a lower burner part, which can be fixed to a cooking field plate of the domestic cooking appliance, and a burner lid resting on the lower burner part. Between the lower burner part and the burner lid, multiple gas outlet openings can be provided that are arranged evenly distributed by the perimeter of the lower burner part. Through the gas outlet openings, the primary air / fuel gas mixture is distributed evenly for flame formation. The gas outlet openings have a fixed opening cross section.
    Given this background, the present invention solves the technical problem of providing an improved gas burner.
    Accordingly, a gas burner is proposed for a domestic cooking appliance. The gas burner comprises a burner housing, which comprises at least one gas outlet opening that is traversible by a primary air / combustible gas mixture for flame generation, and an adjustment device that is configured to vary the section. Transverse opening of the at least one gas outlet opening.
    The at least one gas outlet opening can also be called a gas outlet channel, and connects a gas burner mixing chamber, which is provided between a bottom of the burner and a burner cover of the housing of the fluids. burner, with the environment of the gas burner; that is, the primary air / fuel gas mixture flows from the mixing chamber through the gas outlet opening to the surroundings. Preferably, multiple such gas outlet openings are provided. Through the gas outlet openings, the primary air / fuel gas mixture is distributed evenly for flame formation. Instead of the term "vary", the term "modify" can also be used. To burn the combustible gas, air is needed, namely, primary air and air
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    secondary. A gas injector injects the combustible gas into an injector chamber of the open gas burner down. When the fuel gas is injected, a Venturi effect is produced and the primary air is sucked into the injector chamber flowing laterally next to the gas injector, and there! It is mixed with the combustible gas. In contrast to this, the secondary air is the air that is necessary to burn the primary air / combustible gas mixture leaving the gas outlet opening.
    By being able to vary the cross-sectional opening of the gas outlet opening, a greater area of operation of the gas burner can be achieved. Likewise, a better possibility of adjusting the burner flame is possible to guarantee its stability with different operating conditions. A better combustion of the gas is also achieved, thereby minimizing the harmful emissions of the gas burner. Also, the efficiency of the gas burner improves significantly. During the so-called gas burner booster operation, in which the maximum possible amount of combustible gas is supplied to the gas burner, a good combustion is also guaranteed.
    According to one embodiment, the gas burner comprises multiple gas outlet openings, where the adjustment device is configured to simultaneously vary the cross-sectional opening of all gas outlet openings.
    The amount of gas outlet openings may be as desired. Preferably, the gas outlet openings are arranged evenly distributed by the perimeter of the bottom of the burner.
    According to another embodiment, the adjustment device is configured to optionally reduce or increase the transverse opening section of the gas outlet opening.
    In this way, the gas burner can be adapted in a simple and comfortable way to the most diverse operating conditions and to different combustion gases.
    According to another embodiment, the adjustment device is configured to vary, in particular, to optionally reduce or increase the volume of the gas burner mixing chamber.
    In this way, the volume of the primary air / combustible gas mixture in the mixing chamber can be adjusted depending on the operating conditions of the
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    gas burner. Thus, the combustion and efficiency of the gas burner is further improved. The variation of the volume of the mixing chamber occurs simultaneously and in accordance with the variation of the opening cross section; that is, if the cross section of the opening is reduced, the volume of the mixing chamber is also reduced, and vice versa.
    According to another embodiment, the burner housing has a lower burner part and a burner lid resting on the lower burner part, where the gas outlet opening is provided in the lower burner part.
    Alternatively, the gas outlet openings can also be provided in the burner lid. Preferably, the lower burner part and the metal burner cap are made of a steel, aluminum or magnesium material, and preferably are die-cast aluminum components. In this way, the gas burner can be manufactured economically in large quantities.
    According to another embodiment, the adjustment device is linearly movable along the central axis of the burner housing to vary the cross-sectional opening of the gas outlet opening.
    To move the adjustment device, a driving element may be provided that is associated with the gas burner. The driving element can be, for example, an electric motor or an electroiman. Preferably, the adjustment device is arranged in the mixing chamber. The driving element may be in effect connection with a gas burner regulating valve in such a way that the driving element activates the adjustment device depending on the position of the gas regulating valve, in order to vary the section transverse opening and / or volume of mixing chamber.
    According to another embodiment, the adjustment device has an adjustment body that is arranged in the gas outlet opening, and which is linearly movable along the central axis to vary the cross-sectional opening of the outlet opening. Of gas.
    Preferably, the adjustment body is shaped like a plug. The adjustment body is linearly movable along the central axis within the gas outlet opening.
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    According to another embodiment, the adjustment device has multiple adjustment bodies, a fixing element, and a support ring, where the adjustment bodies are arranged uniformly distributed by the perimeter of the support ring and are fixed to the ring of support by means of the fixing element.
    The support ring is shaped like a disk. The fixing element can be a spring element. Alternatively, the adjustment device can also be made in one piece in terms of the material, that is, the adjustment bodies and the support ring are made in one piece. Thus, it is also possible to dispense with the fixing element.
    According to another embodiment, the adjustment device has at least one glutton element that is linearly guided next to the lower burner part of the burner housing.
    In this way, it is prevented that the adjustment device can be rotated with respect to the lower part of the burner. This increases the safety of the gas burner operation.
    According to another form of realization, the gluttony element is in the form of a pin and the gluttony element is linearly guided in a recess provided in the lower part of the burner.
    Preferably, the lower part of the burner comprises a glutton disk housed therein, in which the emptying is provided. Preferably, the adjustment device has multiple glutton elements, for example, three, and the lower part of the burner has a corresponding amount of drainage.
    According to another embodiment, the adjustment device is rotatable about the central axis of the burner housing to vary the opening cross section of the gas outlet opening.
    As the adjustment device does not move axially with respect to the burner housing, it can be constructed in a particularly compact manner.
    According to another form of realization, the adjustment device has an annular base section, next to which edge there are provided multiple adjustment elements distributed uniformly by the perimeter of the base section.
    Preferably, the adjustment elements are provided as a tooth next to the outer edge of the base section. The base section and the elements of
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    Adjustment are made in one piece in terms of material. To vary the cross section of the opening of the gas outlet openings, the adjustment elements cover the gas outlet openings, or unlock them.
    According to another embodiment, the opening cross section of the gas outlet opening is round or rectangular.
    As an alternative, the opening cross section may also have any other geometry.
    Likewise, a domestic cooking appliance is proposed, in particular, a gas cooker, with a gas burner of the exposed type and with a gas regulating valve to adjust the volumetric flow of the combustible gas directed towards the gas burner.
    The domestic cooking appliance can be a floor appliance or a built-in appliance. Preferably, the domestic cooking appliance is a domestic gas cooker. The domestic cooking appliance may have multiple such gas burners. As an example, the domestic cooking appliance can have four gas burners. Each gas burner is associated with its own gas regulating valve. The gas regulating valve is fixed by tightening to a main gas duct of the domestic cooking appliance and connected through a gas supply duct with the gas burner associated with it. Likewise, an ignition device can also be associated with each gas burner, which can be integrated in the gas regulating valve, and an ignition element arranged directly next to the gas burner, for example, an ignition spark plug.
    According to one embodiment, the domestic cooking apparatus comprises a driving element for operating the adjustment device, where the driving element is coupled with the gas regulating valve such that the adjustment device is configured to vary the cross section of opening depending on the volumetric flow of fuel gas.
    The driving element may be associated with the adjustment device. In particular, the driving element can be arranged directly next to the gas burner or integrated therein. The driving element may be, for example, an electric motor, an electroiman, a piezoelement, or the like. Also, the domestic cooking appliance may also have a control device that is configured to activate the driving element. The control device may be in effect connection with the drive element and with the gas regulating valve. As it has been
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    mentioned above, the volume of the mixing chamber can be modified by the driving element.
    Other possible implementations of the gas burner and / or of the domestic cooking apparatus also comprise combinations not explicitly mentioned of features or embodiments described above or below, in relation to the embodiments. Here, the person skilled in the art will also add particular aspects such as improvements or complements to the respective basic form of the gas burner and / or the domestic cooking appliance.
    Other configurations and advantageous aspects of the gas burner and / or the domestic cooking appliance are subject to the secondary claims, as well as the examples of realization of the gas burner and / or the domestic cooking appliance described below. Next, the gas burner and / or the domestic cooking appliance are explained in more detail by means of preferred embodiments, with reference to the attached figures.
    Fig. 1 shows a schematic view of an embodiment of a
    domestic cooking appliance;
    Fig 2
    shows a schematic perspective exploded view of an embodiment of a gas burner for the domestic cooking appliance according to figure 1;
    Fig. 3
    shows a schematic partial sectional perspective view of the gas burner according to figure 2;
    Fig. 4
    shows a schematic partial sectional view of the gas burner according to figure 2;
    Fig. 5
    shows another partial sectional view of the gas burner according to figure 2;
    Fig. 6
    shows a schematic partial view of the gas burner according to figure 2;
    Fig. 7
    shows a schematic perspective exploded view of another embodiment of a gas burner for the domestic cooking appliance according to figure 1;
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    Fig. 8 shows a schematic perspective view of the gas burner
    according to figure 7;
    Fig. 9 shows an exploded schematic view cut of the burner of
    gas according to figure 7;
    Fig. 10 shows a schematic sectional view of the gas burner according to figure 7;
    Fig. 11 shows another schematic section view of the gas burner according to
    figure 7;
    Fig. 12 shows another schematic section view of the gas burner according to
    figure 7;
    Fig. 13 shows a schematic perspective exploded view of another embodiment of a gas burner for the domestic cooking apparatus according to figure 1;
    Fig. 14 shows another schematic exploded perspective view of the gas burner according to figure 13;
    Fig. 15 shows a schematic perspective view of the gas burner according to figure 13;
    Fig. 16 shows an exploded schematic view partially cut of the gas burner according to Fig. 13;
    Fig. 17 shows a schematic sectional view of the gas burner according to figure 13;
    Fig. 18 shows a partial schematic perspective view of the gas burner according to Fig. 13; Y
    Fig. 19 shows another partial schematic perspective view of the gas burner according to Fig. 13.
    In the figures, the same or equal function elements have been provided with the
    same reference symbols, as long as nothing else is indicated.
    Figure 1 shows a schematic view of a form of realization of an apparatus
    of domestic cooking 1. Domestic cooking appliance 1 is a gas cooker, and
    it can be an incorporable device or a floor device. The cooking appliance
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    Domestic 1 comprises several gas burners 2. The amount of gas burners 2 may be as desired. By way of example, four gas burners 2 may be provided. Each gas burner 2 is associated with a gas regulating valve 3, by means of which it is possible to connect, disconnect and regulate the flow of the fuel gas supplied to the burner. of gas 2 respectively. Also, the domestic cooking appliance 1 comprises a driving element 4, the functionality of which is explained below.
    Figure 2 shows an exploded schematic view of an embodiment of a gas burner 2, Figure 3 shows a perspective schematic partial sectional view of the gas burner 2, Figures 4 and 5 show in each case section views partial schematic of the gas burner 2, and figure 6 shows an enlarged detailed view of the gas burner 2. Next, reference is made simultaneously to figures 2 to 6.
    The gas burner 2 comprises a burner housing 5 with a lower burner part 6 and with a burner lid 7 resting on the lower burner part 6. The lower burner part 6 is fixed to the cooking field plate of the domestic cooking appliance 1, or perches on it. The lower burner part 6 and the metal burner cover 7 are made, for example, of a steel, aluminum or magnesium material. In particular, the lower burner part 6 and the burner cover 7 can be die-cast aluminum components. The lower part of the burner 6 comprises an injector chamber 8 provided in its center. The injector chamber 8 is symmetrically rotated to the symmetrical or central axis M5 of the burner housing 5. Also the lower burner part 6 and the burner cover 7 are made symmetrically rotationally to the central axis M5.
    In the injector chamber 8 fuel gas is injected from below by an injector not shown. Through the Venturi effect that is generated, primary air L is sucked from below to the interior of the injector chamber 8. The primary air L and the combustible gas are at least partially intermingled and then supplied to a mixing chamber 9, provided between the burner cover 7 and the lower part of the burner 6, for mixing the primary air L and the combustible gas. The mixing chamber 9 also serves to distribute the primary air / combustible gas mixture. The injector chamber 8 may also be referred to as a premix chamber or mixing chamber.
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    The mixing chamber 9 is connected as regards the fluids with the environment U of the gas burner 2 through multiple gas outlet channels or gas outlet openings 10. The gas outlet openings 10 extend radially outwards. from the mixing chamber 9. The amount of gas outlet openings 10 may be as desired. Preferably, the gas outlet openings 10 are arranged evenly distributed by the perimeter of the lower burner part 6. The gas outlet openings 10 are positioned spaced apart from each other evenly. Each gas outlet opening 10 has a cross-sectional opening A10 which in figure 6 is indicated with a scratch.
    The gas burner 2 further comprises an adjustment device 11, which is configured to vary the opening cross section A10 of each gas outlet opening 10. In particular, the adjustment device 11 is configured to simultaneously vary the cross section. opening A10 of all gas outlet openings 10. The term "vary" includes the concept that the adjusting device 11 is configured to optionally reduce or increase the respective cross-sectional opening A10 of the gas outlet openings. 10.
    The adjusting device 11 has multiple adjusting bodies 12. A fitting body 12 of this type is associated with each gas outlet opening 10. Each adjustment body 12 is positioned at least in sections in the gas outlet opening 10 assigned thereto. All adjustment bodies 12 are fixed to a common support ring 13. The support ring 13 can be an annular disk, to which the adjustment bodies 12 are fixed by means of a fixing element 14, in particular, a tension spring. The support ring 13 is linearly movable along the central axis M5 of the burner housing 5 to vary the cross-sectional opening A10 of the gas outlet openings 10. This possibility of displacement is shown in Figures 4 and 5 by a double arrow 15. To move the adjustment device 11, it is moved by the driving element 4. The driving element 4 is coupled with the respective gas regulating valve 3 in such a way that the adjusting device 11 is configured to vary the opening cross sections A10 of the gas outlet openings 10 depending on the volumetric flow of the combustible gas.
    Figure 4 shows the adjustment device 11 in an initial state, in which the gas outlet openings 10 have the largest possible cross-sectional opening A10, and Figure 5 shows the adjustment device 11 in a final state, in the one who
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    the gas outlet openings 10 have the minimum possible open cross section A10.
    Figure 7 shows a schematic perspective exploded view of another embodiment of a gas burner 2, Figure 8 shows a schematic perspective view of the gas burner 2, Figure 9 shows a schematic sectional view of the gas burner 2 in exploded representation, and figures 10 to 12 show in each case another schematic sectional view of the gas burner 2. Next, reference is made simultaneously to figures 7 to 12.
    The gas burner 2 comprises the burner housing 5 with the lower part of the burner 6 and with the burner cover 7 resting on the upper side of the lower part of the burner 6. Exit openings are provided in the lower part of the burner 6 of gas 10 with a respective variable opening cross section A10. Unlike the adjustment device 11 according to figures 2 to 6, the adjustment device 11 does not have any adjustment body 12, but is made as a disk arranged in the mixing chamber 9. The lower burner part 6 comprises a glula disc 16, which is housed in the lower part of burner 6. The glula disc 16 has a hollow 17, in particular, a bore, whose central axis M17 is arranged parallel to the central axis M5. Any amount of emptying may be provided 17.
    The adjusting device 11 comprises gluttonic elements 18 in the form of a pin, corresponding to the recess 17 or the recesses 17, which are linearly guided in the recesses 17. By way of examples, three of such recesses 17 and three of such can be provided. glutton elements 18. Since the discoidal adjustment device 11 is arranged in the mixing chamber 9, as shown in Figures 10 to 12, in addition to the opening cross-sections A10 of the gas outlet openings 10 , the volume of the mixing chamber 9 can also be varied by means of the adjustment device 11. Specifically, the volume can be optionally increased or reduced.
    By means of the driving element 4, the adjusting device 11, as shown by the double arrow 15, can be moved along the central axis M5 to reduce or increase the opening cross sections A10 of the gas outlet openings 10 and to reduce or increase both the volume of the mixing chamber 9. Specifically, the drive element 4 is coupled with the respective gas regulating valve 3 such that the adjusting device 11 is configured to vary the sections A10 transverse openings of gas outlet openings 10
    and the volume of the mixing chamber 9 depending on the volumetric flow of the adjusted fuel gas.
    Figure 13 shows an exploded schematic view of another embodiment of a gas burner 2, Figure 14 shows another exploded schematic view of the gas burner 2, Figure 15 shows a schematic perspective view of the gas burner 2, Figures 16 and 17 show in each case a schematic sectional view of the gas burner 2, and Figures 18 and 19 show in each case schematic partial views in perspective of the gas burner 2. Next, reference is made simultaneously to the Figures 13 to 19.
    10 The gas burner 2 according to figures 13 to 19 differs from the gas burner 2 according to figures 2 to 6 and the gas burner 2 according to figures 7 to 12 in that the adjustment device 11 is not linearly movable along the central axis M5, but in a rotational manner with respect to this; that is, the adjusting device 11 is rotated relative to the bottom of the burner 6 to vary the opening cross sections 15 A10 of the gas outlet openings 10.
    For this, the adjustment device 11 has a section of discoidal base 19, next to which edge are arranged multiple adjustment elements 20 as a tooth, which cover or unlock the gas outlet openings 10 depending on the relative position of the adjustment device 11 with respect to the bottom of burner 20 6. In relation to the above, Figure 18 shows the adjustment device 11 in an initial state, in which the adjustment elements 20 do not cover the outlet openings of gas 10 and the respective opening cross section A10 of the gas outlet openings 10 is maximum. Figure 19 shows the adjustment device 11 in a final state, in which the respective opening cross section A10 of the 25 gas outlet openings 10 is minimal.
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    M17
    OR
    Reference symbols
    Domestic cooking appliance Gas burner Gas regulating valve Drive element Burner housing Burner bottom Burner cover Injector chamber Mixing chamber Gas outlet opening Adjustment device Adjusting body Support ring Fixing element Double arrow emptying gluttony
    Gluttony element Base section Adjustment element
    Cross section opening
    Primary air
    Central axis
    Central axis
    Environment
    权利要求:
    Claims (15)
    [1]
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    1. Gas burner (2) for a domestic cooking appliance (1), with a burner housing (5), which comprises at least one gas outlet opening (10) that is traversible by a primary air mixture / combustible gas for the generation of flames, and with an adjustment device (11) that is configured to vary the cross-sectional opening (A10) of the at least one gas outlet opening (10).
    [2]
    2. Gas burner (2) according to claim 1, characterized by multiple gas outlet openings (10), wherein the adjustment device (11) is configured to simultaneously vary the cross-sectional openings (A10) of all openings gas outlet (10).
    [3]
    3. Gas burner (2) according to claims 1 or 2, characterized in that the adjustment device (11) is configured to optionally reduce or increase the transverse opening section (A10) of the gas outlet opening (10).
    [4]
    4. Gas burner (2) according to one of claims 1-3, characterized in that the adjusting device (11) is configured to vary, in particular, to optionally reduce or increase the volume of the mixing chamber (9) of the gas burner (2).
    [5]
    5. Gas burner (2) according to one of claims 1-4, characterized in that the burner housing (5) has a lower burner part (6) and a burner cover (7) resting on the lower burner part (6), where the gas outlet opening (10) is provided in the lower part of the burner (6).
    [6]
    6. Gas burner (2) according to one of claims 1-5, characterized in that the adjustment device (11) is linearly movable along the central axis (M5) of the burner housing (5) to vary the section transverse opening (A10) of the gas outlet opening (10).
    [7]
    7. Gas burner (2) according to claim 6, characterized in that the adjustment device (11) has an adjustment body (12) that is arranged in the gas outlet opening (10), and which is linearly movable to what
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    length of the central axis (M5) to vary the cross-sectional opening (A10) of the gas outlet opening (10).
    [8]
    8. Gas burner (2) according to claim 7, characterized in that the adjustment device (11) has multiple adjustment bodies (12), a fixing element (14), and a support ring (13), wherein the Adjustment bodies (12) are arranged evenly distributed by the perimeter of the support ring (13) and are fixed to the support ring (13) by means of the fixing element (14).
    [9]
    9. Gas burner (2) according to one of claims 6-8, characterized in that the adjusting device (11) has at least one glutton element (18) which is linearly guided next to the lower part of the burner (6) of the burner housing (5).
    [10]
    10. Gas burner (2) according to claim 9, characterized in that the glutton element (18) is in the form of a pin and because the glutton element (18) is linearly guided in a recess (17) provided in the lower part of burner (6).
    [11]
    11. Gas burner (2) according to claim 5, characterized in that the adjustment device (11) is rotatable about the central axis (M5) of the burner housing (5) to vary the cross-sectional opening (A10) of the gas outlet opening (10).
    [12]
    12. Gas burner (2) according to claim 11, characterized in that the adjustment device (11) has an annular base section (19), next to which edge are provided multiple adjustment elements (20) distributed uniformly by the perimeter of the base section (19).
    [13]
    13. Gas burner (2) according to one of claims 1-12, characterized in that the opening cross section (A10) of the gas outlet opening (10) is round or rectangular.
    [14]
    14. Domestic cooking appliance (1), in particular, gas cooker, with a gas burner (2) according to one of claims 1-13 and with a valve
    gas regulator (3) to adjust the volumetric flow of the combustible gas directed towards the gas burner (2).
    [15]
    15. Domestic cooking appliance (1) according to claim 14, characterized by a driving element (4) for operating the adjustment device (11), wherein the
    driving element (4) is coupled with the gas regulating valve (3) in such a way that the adjustment device (11) is configured to vary the cross-sectional opening (A10) depending on the volumetric flow of the combustible gas.
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    同族专利:
    公开号 | 公开日
    ES2645964B1|2018-09-20|
    EP3255341A1|2017-12-13|
    EP3255341B1|2019-10-30|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPH09280514A|1996-04-16|1997-10-31|Paloma Ind Ltd|All primary air type burner|
    BRPI1102895A2|2011-06-14|2013-07-16|Whirlpool Sa|cooking equipment burner|
    GB1090426A|1965-10-19|1967-11-08|Parkinson Cowan Appliances Ltd|Gas burners|
    JPH09170722A|1995-12-19|1997-06-30|Osaka Gas Co Ltd|Variable flame port burner|CN109307266B|2018-08-16|2020-02-14|鹰潭艾瑞迪新材料有限公司|High-efficiency vortex gas stove burner|
    法律状态:
    2018-09-20| FG2A| Definitive protection|Ref document number: 2645964 Country of ref document: ES Kind code of ref document: B1 Effective date: 20180920 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201630764A|ES2645964B1|2016-06-07|2016-06-07|GAS BURNER AND DOMESTIC COOKING APPLIANCE|ES201630764A| ES2645964B1|2016-06-07|2016-06-07|GAS BURNER AND DOMESTIC COOKING APPLIANCE|
    EP17173971.7A| EP3255341B1|2016-06-07|2017-06-01|Gas burner and household cooking appliance|
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