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    • 4. 发明申请
    • Chamber Seal for Mass Spectrometer
    • 质谱仪舱密封
    • US20160230889A1
    • 2016-08-11
    • US15023053
    • 2014-09-17
    • MICROMASS UK LIMITED
    • Stephen O'BrienIan Trivett
    • F16J15/02H01J49/24H01J49/26
    • F16J15/025H01J49/24H01J49/26
    • A mass spectrometer is disclosed comprising a first component, an annular vacuum chamber seal and a second component. The first component has a groove. The annular vacuum chamber seal comprises a main body portion and one or more blade or rib portions which protrude from the main body portion. The main body portion is located in the groove and the one or more blade or rib portions protrude above or beyond a surface of the first component. The second component is slid, in use, along the surface of the first component thereby deforming the one or more blade or rib portions so that the one or more blade or rib portions form a radial, diametric or piston seal between the first and second components.
    • 公开了一种质谱仪,其包括第一部件,环形真空室密封件和第二部件。 第一个组件有一个凹槽。 环形真空室密封件包括主体部分和从主体部分突出的一个或多个刀片或肋部分。 主体部分位于槽中,并且一个或多个刀片或肋部突出在第一部件的表面之上或之上。 第二部件在使用中沿着第一部件的表面滑动,从而使一个或多个刀片或肋部分变形,使得一个或多个刀片或肋部分在第一和第二部件之间形成径向,​​直径或活塞密封 。
    • 6. 发明申请
    • MINIATURE ION SOURCE OF FIXED GEOMETRY
    • US20190244800A1
    • 2019-08-08
    • US16256687
    • 2019-01-24
    • Micromass UK Limited
    • Stevan BajicDavid GordonDaniel James KennyRichard Barrington MouldsStephen O'BrienIan TrivettKate Whyatt
    • H01J49/16H01J49/04H01J49/00
    • A mass spectrometer is disclosed comprising an atmospheric pressure interface comprising a gas cone 6 having an inlet aperture, wherein the gas cone 6 has a first longitudinal axis arranged along an x-axis and an Electrospray ion source comprising a first capillary tube 2 having an outlet and having a second longitudinal axis and a second capillary tube 3 which surrounds the first capillary tube 2. The mass spectrometer further comprises a desolvation gas supply tube and a first device arranged and adapted to supply an analyte liquid via the first capillary tube 2 so that the liquid exits the outlet of the first capillary tube 2 at a flow rate >200 μL/min. The mass spectrometer further comprises a second device arranged and adapted to supply a nebuliser gas via the second capillary tube 3 at a flow rate in the range 80-150 L/hr, wherein an outlet of the first capillary tube 2 is arranged at a distance x mm along the x-axis as measured from the centre of the gas cone inlet aperture, a distance y mm along a y-axis as measured from the centre of the gas cone inlet aperture and a distance z mm along a z-axis as measured from the centre of the gas cone inlet aperture. The x-axis, the y-axis and the z-axis are mutually orthogonal. The desolvation gas supply tube surrounds the second capillary tube 3 and the mass spectrometer further comprises a third device arranged and adapted to supply a desolvation gas via the desolvation gas supply tube at a flow rate in the range 400-1200 L/hr, a heater 4 arranged and adapted to heat the desolvation gas to a temperature ≥100° C. and a fourth device arranged and adapted to supply a cone gas to the gas cone 6 at a flow rate in the range 40-80 L/hr and wherein x is in the range 2.0-5.0 mm and wherein the ratio z/x is in the range 1-5:1.