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    • 1. 发明授权
    • Apparatus and method for maintaining multi-component sample gas constituents in vapor phase during sample extraction and cooling
    • 在样品提取和冷却期间维持气相中多组分样品气体成分的装置和方法
    • US07712384B2
    • 2010-05-11
    • US11712042
    • 2007-02-28
    • Larry Gordon FelixWilliam Earl FarthingJames Hodges IrvinTodd Robert Snyder
    • Larry Gordon FelixWilliam Earl FarthingJames Hodges IrvinTodd Robert Snyder
    • G01N1/00
    • G01N1/38G01N1/2247G01N2001/2264
    • A dilution apparatus for diluting a gas sample. The apparatus includes a sample gas conduit having a sample gas inlet end and a diluted sample gas outlet end, and a sample gas flow restricting orifice disposed proximate the sample gas inlet end connected with the sample gas conduit and providing fluid communication between the exterior and the interior of the sample gas conduit. A diluted sample gas conduit is provided within the sample gas conduit having a mixing end with a mixing space inlet opening disposed proximate the sample gas inlet end, thereby forming an annular space between the sample gas conduit and the diluted sample gas conduit. The mixing end of the diluted sample gas conduit is disposed at a distance from the sample gas flow restricting orifice. A dilution gas source connected with the sample gas inlet end of the sample gas conduit is provided for introducing a dilution gas into the annular space, and a filter is provided for filtering the sample gas. The apparatus is particularly suited for diluting heated sample gases containing one or more condensable components.
    • 用于稀释气体样品的稀释装置。 该装置包括具有样品气体入口端和稀释样品气体出口端的样品气体导管,以及设置在与样品气体导管连接的样品气体入口端附近设置的样品气体流量限制孔,并提供外部和 样品气体导管的内部。 在样品气体导管内设置有稀释的样品气体导管,其具有混合端,该混合端具有靠近样品气体入口端设置的混合空间入口,从而在样品气体导管和稀释样品气体导管之间形成环形空间。 稀释的样品气体导管的混合端设置在离样气流限制孔一定距离处。 提供了与样品气体导管的样品气体入口端连接的稀释气体源,用于将稀释气体引入到环形空间中,并且提供用于过滤样品气体的过滤器。 该装置特别适于稀释含有一种或多种可冷凝组分的加热样品气体。
    • 8. 发明申请
    • Apparatus and method for maintaining multi-component sample gas constituents in vapor phase during sample extraction and cooling
    • 在样品提取和冷却期间维持气相中多组分样品气体成分的装置和方法
    • US20080202261A1
    • 2008-08-28
    • US11712042
    • 2007-02-28
    • Larry Gordon FelixWilliam Earl FarthingJames Hodges IrvinTodd Robert Snyder
    • Larry Gordon FelixWilliam Earl FarthingJames Hodges IrvinTodd Robert Snyder
    • G01N1/38G01N1/34
    • G01N1/38G01N1/2247G01N2001/2264
    • A dilution apparatus for diluting a gas sample. The apparatus includes a sample gas conduit having a sample gas inlet end and a diluted sample gas outlet end, and a sample gas flow restricting orifice disposed proximate the sample gas inlet end connected with the sample gas conduit and providing fluid communication between the exterior and the interior of the sample gas conduit. A diluted sample gas conduit is provided within the sample gas conduit having a mixing end with a mixing space inlet opening disposed proximate the sample gas inlet end, thereby forming an annular space between the sample gas conduit and the diluted sample gas conduit. The mixing end of the diluted sample gas conduit is disposed at a distance from the sample gas flow restricting orifice. A dilution gas source connected with the sample gas inlet end of the sample gas conduit is provided for introducing a dilution gas into the annular space, and a filter is provided for filtering the sample gas. The apparatus is particularly suited for diluting heated sample gases containing one or more condensable components.
    • 用于稀释气体样品的稀释装置。 该装置包括具有样品气体入口端和稀释样品气体出口端的样品气体导管,以及设置在与样品气体导管连接的样品气体入口端附近设置的样品气体流量限制孔,并提供外部和 样品气体导管的内部。 在样品气体导管内设置有稀释的样品气体导管,其具有混合端,该混合端具有靠近样品气体入口端设置的混合空间入口,从而在样品气体导管和稀释样品气体导管之间形成环形空间。 稀释的样品气体导管的混合端设置在离样气流限制孔一定距离处。 提供了与样品气体导管的样品气体入口端连接的稀释气体源,用于将稀释气体引入到环形空间中,并且提供用于过滤样品气体的过滤器。 该装置特别适于稀释含有一种或多种可冷凝组分的加热样品气体。