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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
Applicant: Defendi Italy S.r.l.
Inventor： Cristian Biagioli , Luca Breccia , Marco Sbaffi , Werner Noeth
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：US20180135851A1
公开(公告)日：2018-05-17
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
CPC classification number: F23D14/06 , F23D14/04 , F23D14/065 , F23D14/58 , F23D2900/14062 , F23D2900/14063 , F24C3/085
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：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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