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发明名称
密封总成之改良
摘要
一种密封总成,用以保护一供用于一真空泵浦中的静止密封装置。该密封总成包括:至少两个成密封性连接在一起的构件;一o形环密封,被结合在该两构件之间,用以阻止流体在该两构件之间,往复该泵浦传输;及一流体通道。该流体通道是在该o形环的平面上,并系设置在该o形环密封及一制程气体流径之间。当该装置系在使用中时,该流体通道供给障阻气体(barriergas)一可经由流过的途径。该通道系连接至障阻气体一外在源头,并具有一与该泵浦的扫掠容积(swept volume)相流体连通的出口。
申请公布号
TW200506218
申请公布日期
2005.02.16
申请号
TW093112921
申请日期
2004.05.07
申请人
BOC集团公司
发明人
彼德 休 伯奇;大卫 艾伦 图瑞尔;茂可伦 威廉 葛雷;尼尔 透那
分类号
F04C27/00
主分类号
F04C27/00
代理机构
代理人
陈长文
主权项
地址
英国
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