发明授权
- 专利标题: Gas sampling valve
- 专利标题(中): 气体取样阀
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申请号: US628065申请日: 1984-07-05
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公开(公告)号: US4562724A公开(公告)日: 1986-01-07
- 发明人: Richard L. Scott
- 申请人: Richard L. Scott
- 申请人地址: OK Bartlesville
- 专利权人: Phillips Petroleum Company
- 当前专利权人: Phillips Petroleum Company
- 当前专利权人地址: OK Bartlesville
- 主分类号: G01N30/20
- IPC分类号: G01N30/20 ; G01N30/24 ; G01N30/38
摘要:
A multi-port, fluid-activated valve mechanism in which positive pressures of control fluids are used to sequentially actuate fluids which seal respective valve ports sequentially. Fritted glass and liquid metals impervious to fritted glass are used as valving means.
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