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公开(公告)号：US10584871B2
公开(公告)日：2020-03-10
申请号：US15757974
申请日：2016-09-23
申请人： Defendi Italy S.r.l.
发明人： Cristian Biagioli , Luca Breccia , Marco Sbaffi , Werner Noeth
摘要： A multi flame-ring gas burner for cooktops includes a lower burner body configured to receive at least two injectors facing Venturi ducts; a first burner base with a first cap and with openings for a central flame ring; and a second burner base with a second annular cap and openings for an outer annular flame ring. The lower burner body has a seat for a spark plug interacting with the first burner base; two cylindrical seats having substantially horizontal and parallel axes accommodating two tubular elements internally shaped like linear Venturi ducts; and a substantially tubular portion projecting upward, the first burner base being integral with the projecting tubular portion. An injector-holder unit is applicable to the lower burner body and has two portions that are removably insertable into corresponding through holes in the lower burner body and facing the tubular elements internally shaped like linear Venturi ducts.
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公开(公告)号：US20180135851A1
公开(公告)日：2018-05-17
申请号：US15571839
申请日：2016-04-21
申请人： Defendi Italy S.r.l.
发明人： Cristian Biagioli , Luca Breccia , Werner Noeth , Marco Sbaffi
CPC分类号： F23D14/06 , F23D14/04 , F23D14/065 , F23D14/58 , F23D2900/14062 , F23D2900/14063 , F24C3/085
摘要： A gas burner for cooking appliances includes a cup-shaped lower support structure to be applied in a position corresponding with an opening made in the sheet metal of a cooking hob, an injector of substantially horizontal axis, applied to a lateral wall of a first cavity provided in the support structure, a substantially horizontal venturi conduit coaxial with the injector and opening at its downstream end into a second cavity provided in the support structure, open upwards, and communicating fluidly with a distribution chamber for the combustion mixture to generate a flame ring, wherein the venturi conduit includes a tubular element separate from the support structure, housed to undergo free axial movement within a corresponding seat provided in the support structure and lockable in the desired axial position by a locking member accessible from above the support structure through the opening provided in the sheet metal of the cooking hob.
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公开(公告)号：US11499712B2
公开(公告)日：2022-11-15
申请号：US16620857
申请日：2018-06-11
申请人： Defendi Italy S.r.l.
发明人： Werner Noeth , Luca Breccia , Marco Sbaffi
摘要： A gas burner for cooking appliances, having overlapping main flame and simmering flame rings, includes an injector holder assembly associated with a first and a second injector and positioned below a cooktop opening; and a head assembly associated at the top with the injector holder assembly and positioned above the cooktop opening, the head assembly having a first chamber communicating with the first injector and with doors for ejecting the gas and primary air mixture supplied to the main flame ring, and a second chamber communicating with the second injector and with a passageway for ejecting the gas and primary air mixture supplied to the simmering flame ring. The second chamber communicates with a through opening in the outer side walls of the head assembly to receive primary air from above the cooktop, and the head assembly completely seals the cooktop opening where the gas burner is to be installed.
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公开(公告)号：US09909762B2
公开(公告)日：2018-03-06
申请号：US15110395
申请日：2015-01-12
申请人： DEFENDI ITALY S.R.L.
发明人： Girolamo Emiliani
CPC分类号： F24C3/082 , F23D14/06 , F23D14/26 , F23D2900/14062
摘要： A gas burner for cooking equipment, such as a cooking hob, includes a supporting cup-shaped injector holder fixable in a position corresponding to an opening in the cooking hob in which the burner is to be installed, a flame divider resting on the cup-shaped support to define, with its outer circumferential rim and with the surface of the cooking hob in which the burner to be installed, a passage for the entry of a flow of primary air, a sheet metal cover removably resting on the flame divider and defining therewith a distribution chamber for the combustion mixture of gas and primary air, wherein the distribution chamber is bounded by a raised band, in which radial slots are provided for passage of the combustion mixture, the cover having apertures facing the radial slots and cooperating therewith to define the inclination of the flames emerging from the apertures.
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公开(公告)号：US20160327277A1
公开(公告)日：2016-11-10
申请号：US15110395
申请日：2015-01-12
申请人： DEFENDI ITALY S.R.L.
发明人： Girolamo Emiliani
IPC分类号： F24C3/08
CPC分类号： F24C3/082 , F23D14/06 , F23D14/26 , F23D2900/14062
摘要： A gas burner for cooking equipment, such as a cooking hob, includes a supporting cup-shaped injector holder fixable in a position corresponding to an opening in the cooking hob in which the burner is to be installed, a flame divider resting on the cup-shaped support to define, with its outer circumferential rim and with the surface of the cooking hob in which the burner to be installed, a passage for the entry of a flow of primary air, a sheet metal cover removably resting on the flame divider and defining therewith a distribution chamber for the combustion mixture of gas and primary air, wherein the distribution chamber is bounded by a raised band, in which radial slots are provided for passage of the combustion mixture, the cover having apertures facing the radial slots and cooperating therewith to define the inclination of the flames emerging from the apertures.
摘要翻译： 用于诸如烹饪灶台的烹饪设备的气体燃烧器包括可固定在与要安装燃烧器的烹饪灶台中的开口相对应的位置的支撑杯形喷射器保持器， 形状的支撑件以其外圆周边缘和烹饪灶台的待安装燃烧器的表面限定一个用于进入一次空气流的通道，可拆卸地搁置在火焰分隔器上的金属板盖，并且限定 其中分配室用于气体和一次空气的燃烧混合物，其中分配室由凸起的带限定，其中设置有用于燃烧混合物通过的径向槽，盖具有面向径向槽的孔，并与其配合 限定从孔中出现的火焰的倾角。
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公开(公告)号：US20150260410A1
公开(公告)日：2015-09-17
申请号：US14431703
申请日：2013-09-30
申请人： DEFENDI ITALY S.R.L.
发明人： Davide Besati , Massimo Dugnani , Luca Pedretti , Mauro Tappa , Giuseppe Valzi
CPC分类号： F24C3/12 , F23K5/007 , F23K2401/201 , F23K2900/05002 , F23N5/025 , F23N5/14 , F23N5/146 , F23N2035/18 , F23N2035/24 , G05D23/02
摘要： A thermostat for cooking appliances powered by gas includes a body defining an inlet conduit and an outlet conduit that receive a gas flow from a supply source and to supply it to a gas burner, and a chamber having a substantially cylindrical shape that is in fluid communication with the inlet conduit, and also with the outlet conduit either directly, through a main opening formed at one end thereof, or indirectly, through a secondary conduit formed in the body of the thermostat. The gas flows into the outlet conduit bypassing the main opening. A one-piece valve adjusting the gas flow rate is coaxially fitted in the chamber and guided by its peripheral walls. These features make the structural configuration of the thermostat body and its conduits is much more compact, functional and less expensive than in thermostats known in the art.
摘要翻译： 用于由气体供电的烹饪器具的恒温器包括限定入口管道的主体和从供应源接收气体流并将其供应到气体燃烧器的出口管道，以及具有流体连通的大致圆柱形形状的腔室 通过入口导管，以及出口导管直接通过形成在其一端形成的主开口，或间接地通过形成在恒温器主体中的次级导管。 气体流入绕过主开口的出口导管。 调节气体流量的一体式阀同轴地装配在腔室中并由其周边壁引导。 这些特征使得恒温器体及其导管的结构构造比本领域已知的恒温器更紧凑，功能更便宜。
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公开(公告)号：US10401024B2
公开(公告)日：2019-09-03
申请号：US15571839
申请日：2016-04-21
申请人： Defendi Italy S.r.l.
发明人： Cristian Biagioli , Luca Breccia , Werner Noeth , Marco Sbaffi
摘要： A gas burner for cooking appliances includes a cup-shaped lower support structure to be applied in a position corresponding with an opening made in the sheet metal of a cooking hob, an injector of substantially horizontal axis, applied to a lateral wall of a first cavity provided in the support structure, a substantially horizontal venturi conduit coaxial with the injector and opening at its downstream end into a second cavity provided in the support structure, open upwards, and communicating fluidly with a distribution chamber for the combustion mixture to generate a flame ring, wherein the venturi conduit includes a tubular element separate from the support structure, housed to undergo free axial movement within a corresponding seat provided in the support structure and lockable in the desired axial position by a locking member accessible from above the support structure through the opening provided in the sheet metal of the cooking hob.
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公开(公告)号：US20180259180A1
公开(公告)日：2018-09-13
申请号：US15757974
申请日：2016-09-23
申请人： Defendi Italy S.r.l.
发明人： Cristian Biagioli , Luca Breccia , Marco Sbaffi , Werner Noeth
CPC分类号： F23D14/065 , F23D14/58 , F23D2900/14062
摘要： A multi flame-ring gas burner for cooktops includes a lower burner body configured to receive at least two injectors facing Venturi ducts; a first burner base with a first cap and with openings for a central flame ring; and a second burner base with a second annular cap and openings for an outer annular flame ring. The lower burner body has a seat for a spark plug interacting with the first burner base; two cylindrical seats having substantially horizontal and parallel axes accommodating two tubular elements internally shaped like linear Venturi ducts; and a substantially tubular portion projecting upward, the first burner base being integral with the projecting tubular portion. An injector-holder unit is applicable to the lower burner body and has two portions that are removably insertable into corresponding through holes in the lower burner body and facing the tubular elements internally shaped like linear Venturi ducts.
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公开(公告)号：US20180106476A1
公开(公告)日：2018-04-19
申请号：US15557090
申请日：2016-04-21
申请人： Defendi Italy S.r.l.
发明人： Luca BRECCIA , Girolamo EMILIANI , Marco SBAFFI
CPC分类号： F23D14/065 , F23D2900/14062 , F24C3/082 , F24C3/085
摘要： A gas burner with multiple rings of main flames includes an injector holder structure; a central distribution chamber within a central flame divider element that is rigid with the injector holder structure, generates a central ring of flames, and is closed by a circular cover; an annular distribution chamber having an annular flame divider element that is rested on the injector holder structure, generates at least one ring of main flames concentric with the central ring of flames, is separated from the central distribution chamber by an annular space, and is closed by an annular cover; and first and second venturi conduits that are substantially horizontal and parallel, are situated in the injector holder structure outline, and have inlet ends facing injectors associated with a wall of the injector holder structure and outer ends opening into cavities communicating with the central distribution chamber and with the annular distribution chamber.
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公开(公告)号：US09581336B2
公开(公告)日：2017-02-28
申请号：US14435169
申请日：2013-10-22
发明人： Davide Besati , Massimo Dugnani , Luca Pedretti , Mauro Tappa , Giuseppe Valzi
CPC分类号： F24C3/128 , F23K2900/05002 , F23N1/007 , F23N5/027 , F23N2035/24 , G05D23/02
摘要： A thermostat for gas-powered cooking appliances includes a body having an inlet conduit and an outlet conduit that respectively receive and supply a gas flow, and a chamber in fluid communication both with the inlet conduit, and also with the outlet conduit either directly, through a main opening formed at one end thereof, or indirectly, through a secondary conduit formed in the body of the thermostat, which reaches the outlet conduit bypassing the main opening. A valve that adjusts gas flow rate is coaxially fitted in the chamber and has a position that is controlled by an expandable member of a thermostatic bulb of the thermostat. The valve is axially deformable beyond a predefined load threshold and compensates for dilations of the expandable member under a normal operating condition, absorbing axial forces exerted by the thermostat knob when rotated to switch off a burner driven by the thermostat.
摘要翻译： 用于燃气供电烹饪器具的恒温器包括具有分别容纳和供应气流的入口管道和出口管道的主体，以及与入口管道流体连通的腔室，以及直接通过 主开口形成在其一端，或间接地通过形成在恒温器主体中的次级导管，该二级导管到达绕开主开口的出口导管。 调节气体流量的阀同轴地装配在腔室中，并且具有由恒温器恒温灯泡的可膨胀构件控制的位置。 阀可轴向变形超过预定义的负载阈值，并在正常操作条件下补偿可膨胀元件的膨胀，吸收恒温器旋钮当旋转以关闭由恒温器驱动的燃烧器时施加的轴向力。
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