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31. 发明公开

EP3562612A1 DYNAMIC DUTY CYCLE FOR A WELDING AND CUTTING APPARATUS 有权转让
公开(公告)号：EP3562612A1
公开(公告)日：2019-11-06
申请号：EP17832718.5
申请日：2017-12-29
申请人： The Esab Group, Inc.
发明人： GHARIB, Awad , MANTELL, Lee
IPC分类号： B23K9/095 , B23K9/10

32. 发明公开

EP3460617A3 HYBRID FLOW AND PRESSURE REGULATION 有权
公开(公告)号：EP3460617A3
公开(公告)日：2019-07-10
申请号：EP18184406.9
申请日：2018-07-19
申请人： The Esab Group, Inc.
发明人： Boyer, Robert , Henderson, John
IPC分类号： G05D7/01 , G05D16/10 , F16K31/122 , F16K37/00 , G01F1/05 , G01L7/08 , G01L7/16 , G01D7/08 , G01L7/02 , G01L19/16
摘要： A hybrid pressure and flowgauge regulator apparatus includes a regulator body, an inlet, and an outlet assembly.
The outlet assembly includes a first orifice of a first size, a second orifice of a second size that is larger than the first size, and a mechanism that automatically moves the first orifice between a first position and a second position.
When the first orifice is in the first position, the flow of gas passes through both the first orifice and second orifice.
When the first orifice is in the second position, the flow of gas bypasses the first orifice and flows through the second orifice with a specific flow rate or a second pressure that is less than the first pressure.

33. 发明公开

EP3470734A1 FLOW INDICATOR FOR GAS FLOW SAFETY DEVICE 审中-公开
公开(公告)号：EP3470734A1
公开(公告)日：2019-04-17
申请号：EP18195141.9
申请日：2018-09-18
申请人： The Esab Group, Inc.
发明人： Nguyen, Nhyanh , Henderson, John
IPC分类号： F23D14/54 , B01D35/143 , F16K37/00 , F23D14/82
摘要： A gas flow safety device, such as a flashback arrestor, with flow indication includes a main body (100) and a safety element (220). The main body (100) has a flow capacity and is configured to direct a flow of gas from an inlet (240) to an outlet (250). The safety element (220) is disposed within the main body (100) and prevents at least one of flashbacks and reverse flows of gas. The flashback arrestor may also include at least one of: an indicator assembly (180) that automatically provides an indication when the flow capacity of the main body (100) diminishes by a predetermined amount; and a movable internal mechanism (150) that causes the apparatus to provide an indication when the flow capacity of the main body (100) diminishes by the predetermined amount.

34. 发明公开

EP3375559A1 MULTIFUNCTION WIRE FEEDER FOR A PORTABLE WELDING SYSTEM 审中-公开
公开(公告)号：EP3375559A1
公开(公告)日：2018-09-19
申请号：EP18168185.9
申请日：2015-10-16
申请人： THE ESAB GROUP, INC.
发明人： EVANS, Daryll Scott , FLICKINGER, Sean William
IPC分类号： B23K9/133
CPC分类号： B23K9/1336 , B23K9/12 , B23K9/133
摘要： A wire feeder (1) for a portable welding system comprises a tensioning assembly (4) comprising a pivotable tension arm (14) and a pivotable tension knob assembly (32). The pivotable tension arm (14) has a first pivot axis oriented substantially perpendicular to a direction of a wire (W) fed through the wire feeder (1), and the pivotable tension knob assembly (32) has a second pivot axis oriented substantially parallel to the direction of the wire (W) fed through the wire feeder (1). The pivotable tension arm (14) is free to rotate about the first pivot axis when the pivotable tension knob assembly (32) is rotated from a closed position to an open position by rotating about the second pivot axis, away from a support surface on which the wire feeder (1) is mounted. The wire (W) is a first wire, and a feed roller (30) is also positionable opposite the drive roller (18) to receive a second wire of a different diameter from the first wire. The pivotable tension knob assembly (32) is adjustable to apply a downward force to the drive roller (18) via the pivotable tension arm (14). The gear assembly (66) allows multiple different gearing arrangements to achieve a desired wire feed speed when feeding the first wire or the second wire.

35. 发明公开

EP3350912A1 POWER SUPPLY FOR WELDING AND CUTTING APPARATUS 审中-公开
公开(公告)号：EP3350912A1
公开(公告)日：2018-07-25
申请号：EP16770650.6
申请日：2016-09-16
申请人： The Esab Group, Inc.
发明人： MACHADO, Rodrigo Cesar Salum , SANGHAVI, Pranav P. , THOVARAYI, Suneesh , YADAV, Binod , SHAH, Hardik S. , GHARIB, Awad , ANJANAPPA, Muniswamappa , SANGHAVI, Pranav
IPC分类号： H02M1/42 , B23K9/10 , H02M7/48
CPC分类号： H02M1/4225 , B23K9/1006 , H02M1/42 , H02M1/44 , H02M7/06 , H02M7/48 , H02M7/53871 , Y02P70/181 , Y02P80/112
摘要： A power supply to provide welding or cutting power. The power supply may include an input rectifier to receive an AC input voltage from an input mains and output a rectified DC signal; a PFC/boost block to receive the rectified DC signal and output a boost DC signal having a predetermined voltage independent of the AC input voltage; an inverter to receive the boost DC signal, and output AC power to an output transformer; a PFC controller to control operation of the PFC/boost block; a control block to control operation of the inverter; an internal power supply to receive the rectified DC signal and output a first DC power signal to power the PFC controller, and output a second DC power signal to power the control block.

36. 发明授权

EP3068572B1 PLASMA ARC TORCH AND METHOD FOR ASSEMBLING AND DISASSEMBLING A PLASMA ARC TORCH 有权
标题翻译：等离子弧火炬及组装和拆卸等离子弧火炬的方法
公开(公告)号：EP3068572B1
公开(公告)日：2018-03-21
申请号：EP14862600.5
申请日：2014-10-30
申请人： THE ESAB GROUP, INC.
发明人： SEVERANCE, Wayne Stanley
IPC分类号： B23K10/00 , B23K9/00 , B23K9/26 , H05H1/34
CPC分类号： H05H1/34 , H05H2001/3436 , H05H2001/3442 , H05H2001/3457 , Y10T29/49963
摘要： A front end assembly for a plasma torch and methods for assembling and disassembling a torch wherein a plurality of front end parts form a unit that is removable from, and installable in, the torch in a single operation without a special fixture. The front end assembly includes a nozzle retaining cup body connectable to a body of the torch, and a forward end connectable to a shield retainer. A nozzle retaining cup insert fits into the nozzle retaining cup body. The shield retainer has an inner surface for retaining the shield. A nozzle is received within the nozzle retaining cup insert. A stop on the nozzle engages the nozzle retaining cup insert when the front end assembly is removed from the torch so the nozzle does not remain in the torch. The shield engages an insulator, which engages the nozzle, to limit forward axial movement of the nozzle.

37. 发明公开

EP2969381A1 AN ALLOYING COMPOSITION FOR SELF-SHIELDED FCAW WIRES WITH LOW DIFFUSIBLE HYDROGEN AND HIGH CHARPY "V"-NOTCH IMPACT TOUGHNESS 有权
标题翻译：合金组成FOR SELBSTABGESCHIRMTE FCAW WIRES AND LOW扩散氢HIGH夏比V型缺口冲击强度
公开(公告)号：EP2969381A1
公开(公告)日：2016-01-20
申请号：EP14779456.4
申请日：2014-03-05
申请人： THE ESAB GROUP, INC.
发明人： WANG, Wesley W.
IPC分类号： B23K35/30 , B23K35/365 , B23K35/368
摘要： A self-shielded flux cored arc welding electrode is disclosed including a ferrous metal sheath and a core within the sheath enclosing core ingredients comprise a composition window of aluminum, manganese and rare earth metals in wires of about 2.0-3.0 wt. % [Al], 1.0-2.0 wt. % [Mn] and 0.001-0.11 wt. % rare earth metals or 0.001-0.5% rare earth metal oxides, such as, but not limited to, La, Ce, etc. Resulting welds include 0.7-1.0 wt. % [Al] and 1.1-1.5 wt. % [Mn]. Resulting welds have a maximum diffusible hydrogen content of 5 mL/100 g or less, Resulting welds also have a Charpy V-notch toughness at −40° F. of at least 100 ft-lbs.

38. 发明授权

EP1655095B1 Metering system and method for supplying gas to a torch 有权
标题翻译：测量系统和方法，用于燃烧器的气体供给
公开(公告)号：EP1655095B1
公开(公告)日：2014-07-16
申请号：EP05023749.4
申请日：2005-10-31
申请人： THE ESAB GROUP, INC.
发明人： Higgins, Philip K. , Severance, Wayne Stanley, Jr.
IPC分类号： B23K9/16
CPC分类号： B23K10/00 , B23K9/16

39. 发明公开

EP2574417A1 Electrode for a plasma torch ; Method of preventing initiation of a pilot arc with an excessive worn electrode 审中-公开
标题翻译：电极对的等离子炬; 一种用于防止电弧的起点与太多侵蚀电极法
公开(公告)号：EP2574417A1
公开(公告)日：2013-04-03
申请号：EP12195724.5
申请日：2010-07-24
申请人： THE ESAB GROUP, INC.
发明人： Griffin, David C.
IPC分类号： B23K10/00 , H05H1/34
CPC分类号： B23K10/006 , H05H1/34 , H05H2001/3489 , H05H2001/3494
摘要： There is provided an electrode (30) for use in a blow-back type plasma arc torch (10) comprising a nozzle, the electrode (30) being configured to be axially movable with respect to a nozzle of the plasma arc torch (10) and to initiate a pilot arc within the plasma arc torch (10). The electrode (30) defines an end face (42), an axial length L, and an outer surface (31). The electrode (30) further defines a projection (70) extending radially outwardly from the outer surface (31), wherein the projection (70) is configured to engage a non-conductive wear stop (65) disposed within the plasma arc torch (10) when the length L is shorter than a predefined length due to wear of the end face (42) during use of the plasma arc torch (10), such that engagement of the projection (70) with the wear stop (65) prevents the electrode (30) from moving axially towards the nozzle and continued wear of the end face precludes initiation of the pilot arc.
摘要翻译：本发明提供电极到电极（30），用于在回吹型等离子弧炬中使用（10），其包括喷嘴，所述（30）被配置为能够相对于所述等离子弧炬的喷嘴轴向地移动（10）并启动等离子弧炬（10）内的引导电弧。所述电极（30）在轴向上的长度L定义到端面（42），和上外表面（31）。所述电极（30）还限定从所述外表面（31）worin突起径向向外延伸的突出部分（70）（70）被配置为接合所述等离子弧焊炬内设置在非导电的磨损挡块（65）（10 ）当长度L比由于使用等离子弧焊炬（10）的过程中磨损的端面（42）的预定长度短，求做了凸起（70）与所述止耗部（65的接合）防止从朝向端面的喷嘴和续磨损轴向移动电极（30）阻止了引导电弧的引发。

40. 发明授权

EP1802179B1 Plasma arc torch, and methods of assembling and disassembling a plasma arc torch 有权
标题翻译：等离子弧焊炬的等离子弧炬和装配和拆卸过程
公开(公告)号：EP1802179B1
公开(公告)日：2012-12-12
申请号：EP06256379.6
申请日：2006-12-14
申请人： THE ESAB GROUP, INC.
发明人： Severance, Wayne Stanley Jr.
IPC分类号： H05H1/34
CPC分类号： H05H1/34

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