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    • 2. 发明申请
    • SAMPLER
    • 取样器
    • US20140130615A1
    • 2014-05-15
    • US14129131
    • 2012-06-28
    • Pasi Kärki
    • Pasi Kärki
    • G01N1/22
    • G01N1/2202F23N5/003F23N2900/05004F23N2900/05005G01N1/2211G01N1/2247G01N2001/242
    • A sampler including an ejector and a sample channel extending to the ejector, which are placeable in a mixture of particles of a solid and a medium, the medium being a gas and/or a liquid. The ejector includes at least one inlet and an outlet. The ejector takes a mixture sample by using vacuum via the inlet and discharges it via the outlet so as to make the mixture sample flow from the inlet towards the outlet. The sample channel takes a desired measuring sample from the mixture sample flowing in the ejector, the solid particles and the medium being at least partly separable from one another in the ejector on the basis of the flow and inertia in the mixture sample.
    • 采样器包括喷射器和延伸到喷射器的样品通道,其可以放置在固体和介质的颗粒的混合物中,所述介质是气体和/或液体。 喷射器包括至少一个入口和出口。 喷射器通过使用真空通过入口取出混合物样品,并通过出口将其排出,以使混合物样品从入口流向出口。 样品通道从喷射器中流动的混合物样品中取出期望的测量样品,固体颗粒和介质在喷射器中基于混合物样品中的流动和惯性至少部分地彼此分离。
    • 4. 发明授权
    • Venturi-based gas sampling manifold
    • 文丘里气采样歧管
    • US06427543B1
    • 2002-08-06
    • US09816595
    • 2001-03-23
    • Eric Torrison
    • Eric Torrison
    • G01N100
    • G01N1/2273G01N1/2226G01N1/24G01N1/26G01N2001/2276G01N2001/242
    • The present invention comprises a system and method for extracting and conveying sampling gases from a remote location for component and quality testing by a gas-sampling device by use of a venturi-based manifold that moves a volume of motivating gases to create a venturi effect. The venturi-based gas sampling manifold includes an air extractor assembly having an inlet port with an associated inlet valve for selectively interrupting the flow of gas through the inlet port, a venturi connected on one end to a venturi jet and on the other end to a venting horn, and a plenum extending from the inlet port to the available end of the venturi. The present system further includes a sampling manifold assembly having a manifold in which the plenum of the air extractor assembly is carried, one or more manifold ports with associated manifold port valves for selectively adjusting the flow rate through the manifold port, and one or more sampling ports. In operation, the venturi air extractor generates a vacuum according to Bernoulli's equations. Selective opening of the manifold ports on the manifold along with the application of vacuum draws sampling gases from remote locations through probes and the associated connecting hoses to the manifold. Once the suspect sampling gases, drawn through the appropriate probe, fill the manifold, the operator eliminates the vacuum and the drawn sample gases are available for testing at the sampling port. After testing, the operator reapplies the vacuum and flushes the sampling gases.
    • 本发明包括一种系统和方法,用于从远程位置提取和输送采样气体,用于通过气体采样装置进行部件和质量测试,所述气体采样装置通过使用基于文丘里管的歧管来移动一定量的激励气体以产生文丘里效应。 基于文丘里的气体取样歧管包括具有入口端口的空气抽取器组件,该入口具有相关联的入口阀,用于选择性地中断通过入口端口的气体流,文丘里管在一端连接到文氏管喷嘴,另一端连接到 通风喇叭和从进气口延伸到文丘里管的可用端的增压室。 本系统还包括采样歧管组件,其具有歧管,空气抽出器组件的气室被承载在该歧管中,一个或多个具有相关联的歧管端口阀的歧管端口用于选择性地调节通过歧管端口的流量,以及一个或多个取样 港口。 在操作中,文丘里空气提取器根据伯努利方程产生真空。 歧管上的歧管端口的选择性打开与真空应用一起通过探头和相关联的连接软管将采样气体抽吸到歧管。 一旦可疑采样气体通过适当的探头吸入歧管,操作人员就可以消除真空,抽取样品气体可用于在采样口进行测试。 测试后,操作员重新施加真空并冲洗取样气体。
    • 5. 发明授权
    • Temperature actuated air flow control and gas sampler
    • 温度启动气流控制和气体采样器
    • US4441356A
    • 1984-04-10
    • US362926
    • 1982-03-29
    • Thomas L. Bohl
    • Thomas L. Bohl
    • G01N1/00F04F5/48G01N1/22G01N1/24G01N27/14
    • G01N1/24G01N2001/2261G01N2001/242Y10T137/7737
    • A temperature actuated air flow control comprises a fluid inlet for the gas sample which is connected to an exhaust line through an intermediate venturi chamber into which a gas such as air is vented in order to aspirate the flow of the gas through the inlet to the exhaust. The amount of flow of the aspirating gas controls the quantity of flow of the sample gas through the inlet to the exhaust. A valve chamber in the aspirating gas passage comprises a bimetallic plate which is flexed between a position in which it closes a flow passage for the aspirating gas to one in which it opens the passage. The bimetallic plate is flexed by temperature change. The device advantageously functions to provide for the inflow of a sample or test quantity of a gas and flows through a chamber having a gas sensor to determine the characteristics of the gas and is directed through a venturi section and out through an exhaust. An aspirating gas such as air is directed into the venturi section and its quantity is controlled by the bimetallic element. In a correct operating temperature the bimetallic element will be flexed to open the passage and permit the continuous sampling of the gas but if the temperature falls for example to a temperature which is below the dew point of the sample gas the bimetallic element may be chosen so as to close off the aspirating air and stop the testing at that time.
    • 温度致动的空气流量控制器包括用于气体样品的流体入口,其通过中间文丘里室连接到排气管,气体例如空气排放到中间文丘里室中,以便将气体通过入口流到排气口 。 抽吸气体的流量控制样品气体通过入口到排气口的流量。 抽吸气体通道中的阀室包括双金属板,该双金属板在其将吸入气体的流动通道关闭到打开通道的流动通道的位置之间弯曲。 双金属板由于温度变化而弯曲。 该装置有利地用于提供样品的流入或气体的测试量,并且流过具有气体传感器的室以确定气体的特性并且被引导通过文丘里管部分并通过排气排出。 吸入气体如空气被引导到文丘里管部分,其量由双金属元件控制。 在正确的操作温度下,双金属元件将弯曲以打开通道并允许气体的连续取样,但是如果温度例如下降到低于样品气体露点的温度,则可以选择双金属元素 关闭吸气,停止测试。
    • 6. 发明授权
    • Method and apparatus for pneumatically sampling powders
    • 用于气动取样粉末的方法和装置
    • US4286466A
    • 1981-09-01
    • US83067
    • 1979-10-09
    • Ralph J. Stewart
    • Ralph J. Stewart
    • G01N1/10G01N1/14G01N1/20G01N1/24
    • G01N1/20G01N1/14G01N1/2035G01N2001/1006G01N2001/1018G01N2001/1463G01N2001/242
    • A pneumatic sampler for use in collecting a sample of xerographic toner from a mass of such toner. A positive-pressure air source is connected to atmosphere through a venturi so as to produce a negative-pressure source. The positive-pressure source is also adapted to be connected through a first conduit to the toner mass. Positive-pressure airflow through this first conduit both purges the first conduit of residual toner and fluidizes at least a portion of the toner mass. A toner sample container is adapted to be simultaneously connected through a second conduit to the venturi. The resulting negative-pressure airflow through the second conduit evacuates the container. Negative-pressure induced airflow also purges the second conduit of residual toner. The container is connected to the toner mass through the series-connected and now-purged first and second conduits, and the negative-pressure within the container produces flow of toner from the toner mass to the container.
    • 一种用于从大量这种调色剂收集静电印刷调色剂样品的气动取样器。 正压空气源通过文丘里管连接到大气,以产生负压源。 正压源还适于通过第一导管连接到调色剂块。 通过该第一导管的正压气流清洗残留调色剂的第一导管并使调色剂块的至少一部分流体化。 调色剂样品容器适于通过第二导管同时连接到文丘里管。 所产生的通过第二导管的负压气流排出容器。 负压引起的气流也清除残留调色剂的第二导管。 容器通过串联连接和现在清洗的第一和第二导管连接到调色剂块,并且容器内的负压产生调色剂从调色剂块到容器的流动。
    • 8. 发明授权
    • Sampler
    • 取样器
    • US09534988B2
    • 2017-01-03
    • US14129131
    • 2012-06-28
    • Pasi Kärki
    • Pasi Kärki
    • G01N1/22F23N5/00G01N1/24
    • G01N1/2202F23N5/003F23N2900/05004F23N2900/05005G01N1/2211G01N1/2247G01N2001/242
    • A sampler including an ejector and a sample channel extending to the ejector, which are placeable in a mixture of particles of a solid and a medium, the medium being a gas and/or a liquid. The ejector includes at least one inlet and an outlet. The ejector takes a mixture sample by using vacuum via the inlet and discharges it via the outlet so as to make the mixture sample flow from the inlet towards the outlet. The sample channel takes a desired measuring sample from the mixture sample flowing in the ejector, the solid particles and the medium being at least partly separable from one another in the ejector on the basis of the flow and inertia in the mixture sample.
    • 采样器包括喷射器和延伸到喷射器的样品通道,其可以放置在固体和介质的颗粒的混合物中,所述介质是气体和/或液体。 喷射器包括至少一个入口和出口。 喷射器通过使用真空通过入口取出混合物样品,并通过出口将其排出,以使混合物样品从入口流向出口。 样品通道从喷射器中流动的混合物样品中取出期望的测量样品,固体颗粒和介质在喷射器中基于混合物样品中的流动和惯性至少部分地彼此分离。
    • 9. 发明申请
    • SYNTHETIC JET DELIVERING CONTROLLED FLOW TO SENSOR SYSTEM
    • 合成喷嘴将控制流量传输到传感器系统
    • US20160171869A1
    • 2016-06-16
    • US14567625
    • 2014-12-11
    • INTEL CORPORATION
    • Jessica GullbrandMelissa A. CowanChytra PawasheFeras Eid
    • G08B21/18F15D1/00
    • G08B21/182F15D1/0095G01N1/2273G01N1/24G01N2001/242G08B21/12G08B25/08H01L23/4735H01L2924/0002H01L2924/00
    • Techniques are disclosed for using synthetic jet technology as an air delivery device for sensing applications. In particular, a synthetic jet device is used to deliver a controlled airflow or other fluidic flow to a sensor measurement area. Such a sensing system can be used to detect accurate concentration of target features present in the ambient surroundings, such as gases, particles, solutions, mixtures, and any other environmental features that can be sensed from a controlled airflow. An example application is air quality monitoring by using one or more synthetic jet devices to deliver a known or otherwise controlled airflow to a sensing area, thereby allowing for detection of harmful or otherwise unacceptable concentrations of particulate matter, gases, or air pollutants. In some embodiments, a synthetic jet device is operatively coupled with a sensor via a flow channel in a common housing, so as to provide a controlled flow sensing system.
    • 公开了使用合成射流技术作为感测应用的空气输送装置的技术。 特别地,合成喷射装置用于将可控气流或其它流体流传送到传感器测量区域。 这种感测系统可用于检测周围环境中存在的目标特征的精确浓度,例如气体,颗粒,溶液,混合物以及可从可控气流中感测到的任何其它环境特征。 示例性应用是通过使用一个或多个合成喷射装置将已知或以其它方式控制的气流传送到感测区域进行空气质量监测,从而允许检测有害或其他不可接受的颗粒物质,气体或空气污染物的浓度。 在一些实施例中,合成喷射装置通过公共壳体中的流动通道与传感器可操作地耦合,以便提供受控的流量感测系统。