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    • 1. 发明授权
    • Calibration systems and methods for tracer gas leak detection
    • 用于示踪气体泄漏检测的校准系统和方法
    • US08555704B2
    • 2013-10-15
    • US12254279
    • 2008-10-20
    • Kevin FlynnCharles DodaiJ. Daniel Geist
    • Kevin FlynnCharles DodaiJ. Daniel Geist
    • G01M3/04
    • G01M3/202G01M3/207
    • Tracer gas leak detection is provided by a calibration system with a gas leak detector having a test port for receiving a sample containing a tracer gas and coupled to a vacuum pump; a calibrated leak for a calibration sample containing the tracer gas; a mass filter coupled to the test port for receiving the test sample in an operating mode, coupled to the calibrated leak through a calibrated leak valve for receiving the calibration sample in a calibration mode, having controllable transmission of the tracer gas and providing a filtered sample; detector detecting the tracer gas in the filtered sample; a programmable gain element providing a measured value of leak rate in response to the detector signal; and a controller configured, in response to a mode control signal, to operate the leak detector in the calibration mode over two or more working ranges using the calibrated leak.
    • 示踪气体泄漏检测由具有气体泄漏检测器的校准系统提供,气体检测器具有用于接收含有示踪气体并耦合到真空泵的样品的测试端口; 用于含有示踪气体的校准样品的校准泄漏; 耦合到所述测试端口的质量过滤器,用于以操作模式接收所述测试样品,其通过校准泄漏阀耦合到所述校准的泄漏阀,以在校准模式下接收所述校准样品,所述校准样品具有所述示踪气体的可控传播并提供过滤样品 ; 检测器检测过滤样品中的示踪气体; 可编程增益元件,响应于检测器信号提供泄漏率的测量值; 以及控制器,其配置为响应于模式控制信号,使用校准的泄漏在两个或更多个工作范围内以校准模式操作泄漏检测器。
    • 2. 发明申请
    • CALIBRATION SYSTEMS AND METHODS FOR TRACER GAS LEAK DETECTION
    • 用于跟踪气体泄漏检测的校准系统和方法
    • US20100095745A1
    • 2010-04-22
    • US12254279
    • 2008-10-20
    • Kevin FlynnCharles DodaiJ. Daniel Geist
    • Kevin FlynnCharles DodaiJ. Daniel Geist
    • G01M3/04G01N37/00
    • G01M3/202G01M3/207
    • Tracer gas leak detection is provided by a calibration system with a gas leak detector having a test port for receiving a sample containing a tracer gas and coupled to a vacuum pump; a calibrated leak for a calibration sample containing the tracer gas; a mass filter coupled to the test port for receiving the test sample in an operating mode, coupled to the calibrated leak through a calibrated leak valve for receiving the calibration sample in a calibration mode, having controllable transmission of the tracer gas and providing a filtered sample; detector detecting the tracer gas in the filtered sample; a programmable gain element providing a measured value of leak rate in response to the detector signal; and a controller configured, in response to a mode control signal, to operate the leak detector in the calibration mode over two or more working ranges using the calibrated leak.
    • 示踪气体泄漏检测由具有气体泄漏检测器的校准系统提供,气体检测器具有用于接收含有示踪气体并耦合到真空泵的样品的测试端口; 用于含有示踪气体的校准样品的校准泄漏; 耦合到所述测试端口的质量过滤器,用于以操作模式接收所述测试样品,所述质量过滤器通过校准的泄漏阀连接到所述校准的泄漏阀,用于以校准模式接收所述校准样品,所述校准样品具有所述示踪气体的可控传输并提供过滤样品 ; 检测器检测过滤样品中的示踪气体; 可编程增益元件,响应于检测器信号提供泄漏率的测量值; 以及控制器,其配置为响应于模式控制信号,使用校准的泄漏在两个或更多个工作范围内以校准模式操作泄漏检测器。