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1. 发明授权

US10168256B2 Sample probe inlet flow system 有权
公开(公告)号：US10168256B2
公开(公告)日：2019-01-01
申请号：US14430184
申请日：2013-09-20
申请人： SMITHS DETECTION-WATFORD LIMITED , Matt Easton , Stephen Taylor
发明人： Matt Easton , Stephen Taylor
IPC分类号： G01N1/22 , G01N27/62 , G01N1/24
摘要： An apparatus includes a sample receiving port and an inlet assembly configured to be positioned adjacent to the sample receiving port. The inlet assembly defines a volume for receiving a sample and includes a gap that defines an extraction port. The extraction port is configured to extract one fluid flow to facilitate another fluid flow toward the sample receiving port. The extraction port can be configured as an annular flow port around the sample receiving port. In some instances, the apparatus also includes a curtain port positioned apart from the sample receiving port and the extraction port. The curtain port can be used to guide fluid away from interior surfaces of the inlet assembly and toward the sample receiving port, and/or to provide an environment of controlled air, and/or to isolate the sample receiving port from external sources of contamination.

2. 发明申请

US20150226704A1 CLEANING OF CORONA DISCHARGE ION SOURCE 有权
标题翻译： CORONA放电源的清洁
公开(公告)号：US20150226704A1
公开(公告)日：2015-08-13
申请号：US14430181
申请日：2013-09-20
申请人： Matt EASTON , Stephen TAYLOR , Bruce GRANT , Henry McIntyre , Alastair CLARK
发明人： Matt Easton , Stephen Taylor , Bruce Grant , Henry McIntyre , Alastair Clark
IPC分类号： G01N27/62 , H01J49/16
CPC分类号： G01N27/622 , H01J27/022 , H01J49/16 , H01J49/168
摘要： Systems and techniques for cleaning a corona discharge point are described. A controller (150) can be operatively coupled to a corona discharge point (108) to control the operation of the corona discharge point (1089. The controller (150) and the corona discharge point (108) can be included with, for example, an ion mobility spectrometry (IMS) system (100). The controller (150) can be used to operate the corona discharge point (108) at an operating voltage for a first time interval, with or without an additional higher pulse voltage, to produce a corona discharge, and to operate the corona discharge point (108) at a cleaning voltage greater than the operating voltage for a second time interval subsequent to the first time interval to produce a corona discharge. The effectiveness of the corona discharge point (108) can be monitored by, for instance, measuring a voltage necessary to produce a corona discharge at the corona discharge point (108), measuring a current produced at the corona discharge point (108) from a corona discharge, and so forth.
摘要翻译：描述了用于清洁电晕放电点的系统和技术。控制器（150）可以可操作地耦合到电晕放电点（108）以控制电晕放电点（1089）的操作。控制器（150）和电晕放电点（108）可以包括在例如离子迁移谱（IMS）系统（100），控制器（150）可用于在第一时间间隔的操作电压下操作电晕放电点（108），具有或不具有额外的较高脉冲电压，以产生电晕放电，并且在第一时间间隔之后的第二时间间隔以大于工作电压的清洁电压操作电晕放电点（108）以产生电晕放电，电晕放电点（108）的有效性可以通过例如测量在电晕放电点（108）处产生电晕放电所需的电压来测量电晕放电点（108）产生的电流，从而进行电晕放电等。

3. 发明授权

US09448203B2 Cleaning of corona discharge ion source 有权
标题翻译：清洁电晕放电离子源
公开(公告)号：US09448203B2
公开(公告)日：2016-09-20
申请号：US14430181
申请日：2013-09-20
申请人： Matt Easton , Stephen Taylor , Bruce Grant , Henry McIntyre , Alastair Clark
发明人： Matt Easton , Stephen Taylor , Bruce Grant , Henry McIntyre , Alastair Clark
IPC分类号： H01J49/16 , G01N27/62 , H01J27/02
CPC分类号： G01N27/622 , H01J27/022 , H01J49/16 , H01J49/168
摘要： Systems and techniques for cleaning a corona discharge point are described. A controller (150) can be operatively coupled to a corona discharge point (108) to control the operation of the corona discharge point (1089. The controller (150) and the corona discharge point (108) can be included with, for example, an ion mobility spectrometry (IMS) system (100). The controller (150) can be used to operate the corona discharge point (108) at an operating voltage for a first time interval, with or without an additional higher pulse voltage, to produce a corona discharge, and to operate the corona discharge point (108) at a cleaning voltage greater than the operating voltage for a second time interval subsequent to the first time interval to produce a corona discharge. The effectiveness of the corona discharge point (108) can be monitored by, for instance, measuring a voltage necessary to produce a corona discharge at the corona discharge point (108), measuring a current produced at the corona discharge point (108) from a corona discharge, and so forth.
摘要翻译：描述了用于清洁电晕放电点的系统和技术。控制器（150）可以可操作地耦合到电晕放电点（108）以控制电晕放电点（1089）的操作。控制器（150）和电晕放电点（108）可以包括在例如离子迁移谱（IMS）系统（100），控制器（150）可用于在第一时间间隔的操作电压下操作电晕放电点（108），具有或不具有额外的较高脉冲电压，以产生电晕放电，并且在第一时间间隔之后的第二时间间隔以大于工作电压的清洁电压操作电晕放电点（108）以产生电晕放电，电晕放电点（108）的有效性可以通过例如测量在电晕放电点（108）处产生电晕放电所需的电压来测量电晕放电点（108）产生的电流，从而进行电晕放电等。

4. 发明申请

US20150300927A1 SAMPLE PROBE INLET FLOW SYSTEM 审中-公开
标题翻译：样品探头入口流量系统
公开(公告)号：US20150300927A1
公开(公告)日：2015-10-22
申请号：US14430184
申请日：2013-09-20
申请人： Matt EASTON , Stephen TAYLOR , SMITHS DETECTION-WATTORD LIMITED
发明人： Matt Easton , Stephen Taylor
IPC分类号： G01N1/22 , G01N27/62 , G01N1/24
CPC分类号： G01N1/2273 , G01N1/24 , G01N27/622 , G01N2001/2285 , G01N2001/245
摘要： An apparatus includes a sample receiving port and an inlet assembly configured to be positioned adjacent to the sample receiving port. The inlet assembly defines a volume for receiving a sample and includes a gap that defines an extraction port. The extraction port is configured to extract one fluid flow to facilitate another fluid flow toward the sample receiving port. The extraction port can be configured as an annular flow port around the sample receiving port. In some instances, the apparatus also includes a curtain port positioned apart from the sample receiving port and the extraction port. The curtain port can be used to guide fluid away from interior surfaces of the inlet assembly and toward the sample receiving port, and/or to provide an environment of controlled air, and/or to isolate the sample receiving port from external sources of contamination.
摘要翻译：一种装置包括样品接收端口和入口组件，该入口组件被配置为邻近样品接收端口定位。入口组件限定用于接收样品的体积并且包括限定提取端口的间隙。提取端口被配置为提取一个流体流以便于朝向样品接收端口的另一流体流动。提取口可以被配置为围绕样品接收端口的环形流动端口。在一些情况下，该装置还包括一个与样品接收口和提取口分开定位的窗口。帘式端口可以用于将流体引导离开入口组件的内表面并朝向样品接收端口，和/或提供受控空气的环境和/或将样品接收端口与外部污染源隔离。

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