- 专利标题: Rotary injection valve with internal sample load channel
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申请号: US16084456申请日: 2017-03-17
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公开(公告)号: US10466211B2公开(公告)日: 2019-11-05
- 发明人: Sylvain G. Cormier
- 申请人: WATERS TECHNOLOGIES CORPORATION
- 申请人地址: US MA Milford
- 专利权人: WATERS TECHNOLOGIES CORPORATION
- 当前专利权人: WATERS TECHNOLOGIES CORPORATION
- 当前专利权人地址: US MA Milford
- 代理机构: Schmeiser, Olsen & Watts LLP
- 代理商 William G. Guerin
- 国际申请: PCT/US2017/022858 WO 20170317
- 国际公布: WO2017/161216 WO 20170921
- 主分类号: G01N30/20
- IPC分类号: G01N30/20 ; F16K11/085 ; G01N30/06 ; G01N30/22
摘要:
A rotary injection valve used in chromatography includes a stator having a stator sealing surface and a sample load channel disposed inside the stator body below the stator sealing surface. The valve can have a reduced number of ports thereby allowing faster integration of the valve into a chromatographic system. Flow restriction is reduced compared to valves that use an external sample loop for a similar volume of sample. The lack of stator ports for the sample load channel eliminates the potential for carryover created by external valve couplings. Another advantage is the reduction of surface wear achieved by locating the sample load channel below the stator sealing surface.
公开/授权文献
- US20190120799A1 ROTARY INJECTION VALVE WITH INTERNAL SAMPLE LOAD CHANNEL 公开/授权日:2019-04-25
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