Gas analyzing apparatus
    1.
    发明授权
    Gas analyzing apparatus 失效
    气体分析仪

    公开(公告)号:US06397660B1

    公开(公告)日:2002-06-04

    申请号:US09774730

    申请日:2001-01-31

    IPC分类号: G01N3004

    摘要: There is provided a gas analyzing apparatus capable of minimizing gas remaining by integrating gas switching apparatuses into one and capable of analyzing impurities of ppb level to sub-ppb level contained in various kinds of high-purity gases efficiently and accurately. The gas analyzing apparatus comprises an analyzer introduction passage 22 for introducing a sample gas supplied from a sample gas source 11 into an analyzer 12 via an analyzer introduction valve 22V; a separator introduction passage 23 diverging from a first side passage of the analyzer introduction valve 22V for introducing a sample gas into a separator 13 via a separator introduction valve 23V; a separator flowing out passage 24 for introducing the sample gas flowing out from the separator 13 into a second side passage of the analyzer introduction valve 22V via a separator flowing-out valve 24V; and a gas switching apparatus to be such formed that when the analyzer introduction valve 22V is opened, the separator introduction valve 23V and the separator flowing-out valve 24V are connectively operated to be closed, and when the analyzer introduction valve 22V is closed, the separator introduction valve 23V and the separator flowing-out valve 24V are connectively operated to be opened.

    摘要翻译: 提供一种气体分析装置,其能够通过将气体切换装置集成为一体而使气体残留最小化,并且能够高效且准确地分析各种高纯度气体中所含的ppb等级和亚ppb等级的杂质。 气体分析装置包括分析器引入通道22,用于经由分析器引入阀22V将从样品气体源11供给的样品气体引入分析器12; 从分析器引入阀22V的第一侧通道分离出的分离器引入通道23,用于经由分离器引入阀23V将样品气体引入隔板13; 分离器流出通道24,用于将从分离器13流出的样品气体经由分离器流出阀24V引入分析器导入阀22V的第二侧通道; 以及气体切换装置,其形成为当分析器导入阀22V打开时,分离器导入阀23V和分离器流出阀24V连接动作关闭,当分析器导入阀22V关闭时, 分离器引入阀23V和分离器流出阀24V被连接操作以打开。

    Multi-gas analysis system for analyzing high-purity gases
    2.
    发明授权
    Multi-gas analysis system for analyzing high-purity gases 失效
    用于分析高纯度气体的多气体分析系统

    公开(公告)号:US06324892B1

    公开(公告)日:2001-12-04

    申请号:US09445398

    申请日:1999-12-07

    IPC分类号: G01N304

    CPC分类号: H01J49/0422 G01N1/26

    摘要: There are provided an apparatus for analyzing gases and a gas analyzing method which can securely detect presence and absence of leakage in a short time and which can carry out analyses successively, safely and accurately in a stable state. The apparatus for analyzing gases is provided with sample gas introducing systems (1 to 5) for introducing a plurality of sample gases selectively, and analyzers (6, 10 and 14), and also has means (9) for monitoring, when a sample gas under determination is changed over to another sample gas, change in the concentration of the sample gas component introduced before the change over.

    摘要翻译: 提供了一种用于分析气体的装置和气体分析方法,其可以在短时间内可靠地检测泄漏的存在和不存在,并且可以在稳定状态下连续,安全和准确地进行分析。 用于分析气体的装置设置有用于选择性地引入多个样品气体的样品气体导入系统(1至5)和分析仪(6,10和14),并且还具有用于监测样品气体的装置(9) 在确定之前将其转换为另一个样品气体,改变之前引入的样品气体组分的浓度变化。

    Gas analyzing apparatus
    3.
    发明授权

    公开(公告)号:US06550308B2

    公开(公告)日:2003-04-22

    申请号:US10117599

    申请日:2002-04-04

    IPC分类号: G01N3004

    摘要: There is provided a gas analyzing apparatus capable of minimizing gas remaining by integrating gas switching apparatuses into one and capable of analyzing impurities of ppb level to sub-ppb level contained in various kinds of high-purity gases efficiently and accurately. The gas analyzing apparatus comprises an analyzer introduction passage 22 for introducing a sample gas supplied from a sample gas source 11 into an analyzer 12 via an analyzer introduction valve 22V; a separator introduction passage 23 diverging from a first side passage of the analyzer introduction valve 22V for introducing a sample gas into a separator 13 via a separator introduction valve 23V; a separator flowing-out passage 24 for introducing the sample gas flowing out from the separator 13 into a second side passage of the analyzer introduction valve 22V via a separator flowing-out valve 24V; and a gas switching apparatus to be such formed that when the analyzer introduction valve 22V is opened, the separator introduction valve 23V and the separator flowing-out valve 24V are connectively operated to be closed, and when the analyzer introduction valve 22V is closed, the separator introduction valve 23V and the separator flowing-out valve 24V are connectively operated to be opened.

    System for analyzing trace amounts of impurities in gases
    4.
    发明授权
    System for analyzing trace amounts of impurities in gases 失效
    用于分析气体中微量杂质的系统

    公开(公告)号:US06418781B1

    公开(公告)日:2002-07-16

    申请号:US09445413

    申请日:1999-12-08

    IPC分类号: B01D1508

    摘要: An analyzing apparatus for assaying various kinds of trace impurity contents in various kinds of high-purity gases, having an atmospheric pressure ionization mass spectrometer useful for determination of trace impurity contents in such high-purity gases on the ppb to sub ppb levels and a gas chromatograph integrated therewith, enabling high efficiency determination of trace impurity contents in high-purity gases. The analyzing apparatus having a gas chromatograph (8) and an atmospheric pressure ionization mass spectrometer (6), is provided with a system (10) for introducing a sample gas introduced from a sample gas introduction source directly to the atmospheric pressure ionization mass spectrometer (6); a system (14a, 14b) for introducing the sample gas via the gas chromatograph (8) to the atmospheric pressure ionization mass spectrometer (6); and a channel selector (11, 13, 15) for changing over the channel of the sample gas to either of these two systems.

    摘要翻译: 一种用于测定各种高纯度气体中各种痕量杂质含量的分析装置,具有可用于测定这些高纯气体中ppb至亚ppb水平的微量杂质含量的气压电离质谱仪和气体 与其集成的色谱仪,可以高效率地测定高纯度气体中的痕量杂质含量。 具有气相色谱仪(8)和大气压电离质谱仪(6)的分析装置设置有用于将从样品气体导入源引入的样品气体直接引入大气压电离质谱仪(10)的系统(10) 6); 用于将样品气体经由气相色谱仪(8)导入大气压电离质谱仪(6)的系统(14a,14b); 以及用于将样品气体的通道切换到这两个系统中的任一个的通道选择器(11,13,15)。

    Gas supplying apparatus and gas substitution method
    5.
    发明授权
    Gas supplying apparatus and gas substitution method 失效
    供气装置和气体替代方法

    公开(公告)号:US06478040B1

    公开(公告)日:2002-11-12

    申请号:US09611348

    申请日:2000-07-06

    IPC分类号: G05D706

    摘要: Gas supplying apparatus and gas substitution method where machinery and parts constituting the gas system are not damaged, and where gas substitution in the gas system is carried out in a short time with good efficiency. The gas substitution, method for substituting a gas after switching into a gas supplying passage by switching the kind of gases to be supplied includes carrying out an operation for fluctuating a pressure in the gas supplying passage within a range of pressure limitation of component parts thereof until a concentration of a gas before switching remaining in the gas supplying passage becomes parts per billion (ppb) level while the gas after switching is made to flow in the gas supplying passage; setting the pressure to a predetermined pressure; and carrying out an operation for increasing a flow rate of the gas after switching in the gas supplying passage under a flow rate limitation of the component parts thereof until the concentration of the gas is before switching remaining in the gas supplying passage becomes sub-ppb level.

    摘要翻译: 气体供给装置和气体替代方法,其中构成气体系统的机械部件不被损坏,并且气体系统中的气体替换在短时间内以良好的效率进行。 气体置换,通过切换供给气体的种类而切换为气体供给路径后的气体的取代方法包括在其组成部分的压力限制的范围内进行使气体供给通路的压力波动的动作,直到 在切换之前的气体的浓度在气体供给通道中保持在十亿分之一(ppb)水平,而在气体供给通道中流动气体; 将压力设定为预定压力; 并进行在气体供给路径切换后的气体的流量在其成分的流量限制下直到气体浓度在剩余在气体供给通道中的切换之前的气体的流量成为sub-ppb水平的操作 。

    Start-up control of direct injection engine
    9.
    发明授权
    Start-up control of direct injection engine 失效
    直喷发动机起动控制

    公开(公告)号:US06892694B2

    公开(公告)日:2005-05-17

    申请号:US10885030

    申请日:2004-07-07

    摘要: A start-up control device of a direct injection engine has a fuel injector (76) for injecting fuel into the engine; and a controller. The controller is programmed to determine the presence of a learned value for calculating on the basis thereof a fuel injection amount during start-up of the engine (10) by means of a stratified charge combustion operation; calculate the fuel injection amount on the basis of the learned value when the learned value is present, and control the fuel injector (76) to inject fuel in the compression stroke to start up the engine (10) by means of a stratified charge combustion operation; and control the fuel injector (76) to inject fuel in the intake stroke of the engine to start up the engine by means of a homogeneous combustion operation when the learned value is absent, and obtain and store the learned value during the homogeneous combustion operation of the engine.

    摘要翻译: 直喷式发动机的启动控制装置具有用于将燃料喷射到发动机中的燃料喷射器(76) 和控制器。 控制器被编程以确定学习值的存在,以基于其计算通过分层充气燃烧操作在发动机(10)启动期间的燃料喷射量; 在学习值存在时基于学习值计算燃料喷射量,并且控制燃料喷射器(76)在压缩冲程中喷射燃料,以通过分层充气燃烧操作启动发动机(10) ; 并且在所述学习值不存在的情况下,控制所述燃料喷射器(76)在所述发动机的进气冲程中喷射燃料,以通过均匀燃烧运转来起动所述发动机,并且在所述均质燃烧运行期间获得和存储所述学习值 引擎。