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公开(公告)号：US20240051058A1
公开(公告)日：2024-02-15
申请号：US18257057
申请日：2021-09-16
申请人： Linde GmbH
发明人： Erwan SIEWERT , Michael PFREUNTNER
IPC分类号： B23K9/32
CPC分类号： B23K9/325
摘要： The present invention relates to a trailing gas nozzle (1) for a welding torch, comprising an elongated body (10) comprising an internal space (11) for receiving a trailing gas (G), and an elongated discharge area (12) on a bottom side of the body (10) for discharging the trailing gas (G) onto a weld seam (S). The body (10) comprises a plurality of segments (101, 102, 103) connected to one another contact surfaces so that a curvature of the discharge area (12) is adjustable to a desired curvature.
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2.发明公开公开(公告)号：US20240217022A1
公开(公告)日：2024-07-04
申请号：US18558106
申请日：2022-04-28
申请人： Linde GmbH
IPC分类号： B23K9/235 , B08B7/00 , B23K9/095 , B23K103/10
CPC分类号： B23K9/235 , B08B7/0035 , B23K9/0956 , B23K2103/10
摘要： The present invention relates to a method for cleaning of a surface of at least one workpiece made out of an aluminium alloy, comprising the steps of: generating an electric arc or a plasma jet by means of a torch, applying the electric arc or the plasma jet to the surface, and moving the torch and the at least one workpiece relative to one another to clean the surface by evaporating impurities of the surface using the electric arc or plasma jet, and e.g. detecting light coming from the electric arc or plasma jet by means of an optical sensor, wherein the optical sensor generates an output signal indicative of the presence of impurities of the surface evaporated by the electric arc or by the plasma jet.
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公开(公告)号：US20230381882A1
公开(公告)日：2023-11-30
申请号：US18249188
申请日：2021-08-09
申请人： Linde GmbH
发明人： Erwan SIEWERT , Nakhleh A. HUSSARY
IPC分类号： B23K9/32
CPC分类号： B23K9/32
摘要： An accessory holder for a torch, comprising: a body having an inner surface and an outer surface, and at least one accessory arranged on the body of the accessory holder and/or a fastening region arranged on the outer surface of the body of the accessory holder, which fastening region is configured to releasably fasten an accessory to the accessory holder. The body of the accessory holder is releasably connected to the torch, wherein the inner surface of the body of the accessory holder comprises at least one alignment feature that is configured to be mated with a corresponding feature arranged on an outer surface of the torch in a form fitting manner so that the accessory holder resides in a fixed spatial orientation with respect to the torch when the accessory holder is releasably connected to the torch.
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公开(公告)号：US20220386445A1
公开(公告)日：2022-12-01
申请号：US17755914
申请日：2020-11-05
申请人： LINDE GMBH
IPC分类号： H05H1/34
摘要： A consumables holder assembly for a plasma arc torch having a torch head, the consumables holder assembly comprising a main body, a shielding cup which engages to the main body, a connection means which engages the main body to the torch head and consumable components including an electrode, a nozzle, a plasma gas distributor, a shielding gas distributor which are all positioned inside the shielding cup, wherein that the consumable holder assembly can be detached from the torch head together with the consumable components and the shielding cup as one unit, wherein the connection means comprises a mechanical attachment mechanism which is engageable with the torch head.
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公开(公告)号：US20220387949A1
公开(公告)日：2022-12-08
申请号：US17756237
申请日：2020-11-05
申请人： Linde GmbH
发明人： Erwan SIEWERT , Nakhleh A. HUSSARY
摘要： A gas mixer device for mixing a plurality of gases to generate a gas mixture comprising a desired composition, wherein the gas mixer device comprises: a chassis supporting a mixing chamber for receiving the respective gas and storing said gas mixture, and a plurality of mass flow controllers configured to measure and control a mass flow of the respective gas. According to the present invention, the respective mass flow controller is configured to be releasably connected to the chassis. Furthermore, the present invention relates to a method for generating a gas mixture comprising a desired composition.
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6.发明公开公开(公告)号：US20230381898A1
公开(公告)日：2023-11-30
申请号：US18248171
申请日：2021-10-06
申请人： Linde GmbH
发明人： Erwan SIEWERT
CPC分类号： B23K37/003 , B23K9/23 , B23K9/164
摘要： The invention relates to a welding device for welding at least one workpiece, comprising: a welding torch, which is designed to create an electric arc for welding the at least one workpiece; and a nozzle apparatus, which is arranged on the welding torch and has a cooling nozzle array, which has at least one row of cooling nozzles, wherein for cooling the workpiece, the respective cooling nozzle can be supplied with an adjustable volume flow of a cooling medium.
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公开(公告)号：US20220386444A1
公开(公告)日：2022-12-01
申请号：US17755913
申请日：2020-11-05
申请人： LINDE GMBH
IPC分类号： H05H1/34
摘要： A consumables holder assembly for a plasma arc torch having a torch head, the consumables holder assembly comprising a main body, a shielding cup which engages to the main body, a connection means which engages the main body to the torch head, wherein the consumable components including an electrode, a nozzle, a plasma gas distributor, a shielding gas distributor which are all positioned inside the shielding cup, wherein the consumable holder assembly can be detached from the torch head together with the consumable components and the shielding cup as one unit, wherein the nozzle comprises two focus gas passageways which lead a focus gas out of the nozzle through at least two focus holes, wherein external visual features are provided on both connection means and the torch head which are aligned to each other showing the location of the focus holes.
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公开(公告)号：US20220274200A1
公开(公告)日：2022-09-01
申请号：US17597828
申请日：2020-08-20
申请人： Linde GmbH
摘要： The invention relates to a torch for plasma processing. The sealing and electrically conductive connection between different components of the torch is realized by using at least one elastically deformable and electrically conductive sealing member.
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