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公开(公告)号：US20160341430A1
公开(公告)日：2016-11-24
申请号：US15110615
申请日：2015-01-12
Applicant: DEFENDI ITALY S.R.L.
Inventor： Girolamo Emiliani
CPC classification number: F24C3/08 , F23D14/06 , F23D14/26 , F23D2203/00 , F23D2900/14062
Abstract: A gas burner includes an injector holder fixable to the sheet metal of a cooking hob and provided on its base with an injector, a burner body associated with the injector holder and defining with the sheet metal a circumferential passage for the entry of primary air intended to form the combustion mixture with the gas leaving the injector, at least one cover, formed from a single piece of drawn sheet metal, positioned on the burner body and defining therewith at least one radial venturi effect chamber, wherein the cover includes a circumferential flange provided with a plurality of elongated apertures of essentially vertical extension, for passage of the combustion mixture which generates a ring of main flames.
Abstract translation: 气体燃烧器包括可固定到烹饪灶台的金属板并且在其底座上设置有喷射器的喷射器保持器，与喷射器保持器相关联的燃烧器主体，并且与金属板一起限定用于进入主空气的圆周通道 与离开喷射器的气体形成燃烧混合物，至少一个由单个拉制金属板形成的盖，其定位在燃烧器主体上并限定至少一个径向文丘里效应室，其中所述盖包括提供的圆周凸缘 具有基本上垂直延伸的多个细长孔，用于通过燃烧混合物，其产生主火焰环。
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Patent Agency Ranking
公开(公告)号：US20150292748A1
公开(公告)日：2015-10-15
申请号：US14435169
申请日：2013-10-22
Applicant: Luca Pedretti , DEFENDI ITALY S.R.L.
Inventor： Davide Besati , Massimo Dugnani , Luca Pedretti , Mauro Tappa , Giuseppe Valzi
CPC classification number: F24C3/128 , F23K2900/05002 , F23N1/007 , F23N5/027 , F23N2035/24 , G05D23/02
Abstract: 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.
Abstract translation: 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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公开(公告)号：US10401024B2
公开(公告)日：2019-09-03
申请号：US15571839
申请日：2016-04-21
Applicant: Defendi Italy S.r.l.
Inventor： Cristian Biagioli , Luca Breccia , Werner Noeth , Marco Sbaffi
Abstract: 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
Applicant: Defendi Italy S.r.l.
Inventor： Cristian Biagioli , Luca Breccia , Marco Sbaffi , Werner Noeth
CPC classification number: F23D14/065 , F23D14/58 , F23D2900/14062
Abstract: 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
Applicant: Defendi Italy S.r.l.
Inventor： Luca BRECCIA , Girolamo EMILIANI , Marco SBAFFI
CPC classification number: F23D14/065 , F23D2900/14062 , F24C3/082 , F24C3/085
Abstract: 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
Applicant: DEFENDI ITALY S.R.L. , Luca Pedretti
Inventor： Davide Besati , Massimo Dugnani , Luca Pedretti , Mauro Tappa , Giuseppe Valzi
CPC classification number: F24C3/128 , F23K2900/05002 , F23N1/007 , F23N5/027 , F23N2035/24 , G05D23/02
Abstract: 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.
Abstract translation: 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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