发明授权
- 专利标题: Apparatus and method for a liquid cooled shield for improved piercing performance
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申请号: US14496872申请日: 2014-09-25
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公开(公告)号: US09789561B2公开(公告)日: 2017-10-17
- 发明人: Stephen M. Liebold , Jon W. Lindsay
- 申请人: Hypertherm, Inc.
- 申请人地址: US NH Hanover
- 专利权人: Hypertherm, Inc.
- 当前专利权人: Hypertherm, Inc.
- 当前专利权人地址: US NH Hanover
- 代理机构: Proskauer Rose LLP
- 主分类号: H05H1/34
- IPC分类号: H05H1/34 ; B23K10/00 ; B23K9/29 ; F28F3/12
摘要:
A shield for a plasma arc torch is configured to protect consumable components of the plasma arc torch from splattering molten metal. The shield includes a generally conical unitary body defining (i) an interior surface to form a gas flow path with an outer surface of an adjacent nozzle of the plasma arc torch, and (ii) an exterior surface. The body includes (i) a distal first portion defining an exit orifice; and (ii) a proximal second portion formed of a flange sharing a common surface with the distal first portion. The shield also includes a seal assembly disposed on the common surface to retain the liquid coolant flow along the proximal second portion.
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