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    • 2. 发明申请
    • ELECTROCHEMICAL GAS GENERATOR FOR CARBON MONOXIDE
    • 一氧化碳电化学气体发生器
    • US20080041730A1
    • 2008-02-21
    • US11835603
    • 2007-08-08
    • Kerstin CAROPeter TschunckyHerbert Kiesele
    • Kerstin CAROPeter TschunckyHerbert Kiesele
    • C25B9/00C25B1/00
    • G01N33/0006C25B1/00
    • An electrochemical gas generator is provided including an electrolysis cell (1) with a gas-impermeable housing, which is closed by a gas-permeable membrane (2) for the discharge of the test gas or calibrating gas CO. A chemically inert cathode (5) formed of a noble metal, a mixture of noble metals or a material containing carbon, is in direct contact with an electrolyte (7). An anode (4) formed of a noble metal, a mixture of noble metals or a material containing carbon, is in direct contact with a mesoxalic acid salt, the mesoxalic acid salt being in direct contact with the electrolyte (7). A control unit (6) is provided that also acts as a power source and is connected to the electrodes (4, 5).
    • 提供一种电化学气体发生器,其包括具有气体不可渗透壳体的电解池(1),其由用于排出测试气体或校准气体CO的透气膜(2)封闭。化学惰性阴极(5 )由贵金属,贵金属或含碳材料的混合物形成,与电解质(7)直接接触。 由贵金属形成的阳极(4),贵金属或含碳材料的混合物与中草酸盐直接接触,所述中草酸盐与电解质(7)直接接触。 还提供控制单元(6),其也用作电源并且连接到电极(4,5)。
    • 4. 发明授权
    • Electrochemical sensor of modular design
    • 电化学传感器采用模块化设计
    • US5372696A
    • 1994-12-13
    • US93784
    • 1993-07-19
    • Herbert KieseleUwe Kuhn
    • Herbert KieseleUwe Kuhn
    • G01D11/24G01N27/416G01N27/49G01N27/26
    • G01N27/4045G01D11/245G01N27/4162
    • An electrochemical sensor for fluid media with at least two electrodes, which are in contact with one another via an electrolyte and are accommodated in a housing. Many different sensor variants are attainable with a few, standardized components. The housing (1) includes a plurality of modules (4a, 4b; 4c-4m), which are placed next to one another, are designed as hollow bodies, and are connected to one another, wherein at least two lateral surfaces (9) of each module (4a-4m) are suitable for connection to additional modules (4a-4m), and at least two of the modules (4a, 4b; 4c-4m) accommodate one electrode (2, 3) each, and the hollow space (16) enclosed by the modules (4a, 4b; 4c-4m) is delimited from the environment by the two electrodes (2, 3), on the one hand, and by a partial area (17) each of the inner wall (5) of the modules (4a, 4b; 4c-4m), and is provided for accommodating the electrolyte (18).
    • 一种用于具有至少两个电极的流体介质的电化学传感器,其经由电解质彼此接触并容纳在壳体中。 许多不同的传感器变体可以通过几个标准化的部件来实现。 壳体(1)包括彼此相邻放置的多个模块(4a,4b; 4c-4m)被设计为中空体,并且彼此连接,其中至少两个侧表面(9) 每个模块(4a-4m)适于连接到附加模块(4a-4m),并且至少两个模块(4a,4b; 4c-4m)分别容纳一个电极(2,3) 由模块(4a,4b; 4c-4m)包围的空间(16)通过两个电极(2,3)和一部分区域(17)与环境隔开,每个内壁 (4a,4b; 4c-4m)的上表面(5),用于容纳电解质(18)。
    • 6. 发明授权
    • Measuring sensor for detecting gaseous components
    • 用于检测气体组分的测量传感器
    • US5281324A
    • 1994-01-25
    • US42664
    • 1993-04-05
    • Herbert KieseleJurgen Sohege
    • Herbert KieseleJurgen Sohege
    • G01N27/49G01N27/26
    • G01N27/404G01N27/4045
    • The invention is directed to a measuring sensor for detecting gaseous components which operates in the diffusion limit current region. The measuring sensor includes a support body and has an electrolyte chamber partitioned by a diffusion membrane from the ambient containing the gaseous components. The measuring electrode of the measuring sensor is improved so that a simpler manipulation for covering the electrolyte chamber with a membrane is possible without endangering the mechanical stability of the membrane. During operation, the detection operation is intended to take place completely at that electrode surface which is in direct electrochemical exchange communication with the electrolyte supply. For this purpose, the coating is configured as an adherent layer to the support body so that it forms an impermeable adherence region in the lateral direction between coating and support body. A process for producing the measuring electrode is characterized in that the coating is adheringly applied to a front face of the support body which forms a closed surface. Thereafter, a membrane layer is applied to the coating and a break through for communicating with the electrolyte chamber is formed in the support body by removing a portion of the support body starting from a rear face thereof lying opposite the front face. The break through is formed by removing the portion of the support body through to the coating. In the completed measuring sensor, this permits the electrolyte from the electrolyte chamber to penetrate through the break through to the coating.
    • 本发明涉及一种用于检测在扩散极限电流区域中工作的气体组分的测量传感器。 测量传感器包括支撑体,并且具有由包含气体组分的环境的扩散膜分隔开的电解质室。 改进了测量传感器的测量电极,使得用膜覆盖电解质室的更简单的操作是可能的,而不会危及膜的机械稳定性。 在操作期间,检测操作旨在完全发生在与电解质供应的直接电化学交换连通的电极表面处。 为此,涂层被构造成与支撑体的粘合层,使得其在涂层和支撑体之间的横向上形成不可渗透的粘附区域。 用于制造测量电极的方法的特征在于,该涂层被附着地施加到形成封闭表面的支撑体的前表面。 此后,将膜层施加到涂层,并且通过从与前表面相对的后表面开始移除支撑体的一部分,在支撑体中形成用于与电解质室连通的突破。 通过将支撑体的部分移除到涂层而形成断裂。 在完成的测量传感器中,这允许来自电解质室的电解质渗透穿过涂层。
    • 7. 发明授权
    • Electrochemical measuring cell for detecting gas components in a fluid
medium
    • 用于检测流体介质中气体组分的电化学测量单元
    • US5128018A
    • 1992-07-07
    • US628206
    • 1990-12-14
    • Herbert Kiesele
    • Herbert Kiesele
    • G01N27/49
    • G01N27/4045
    • The invention relates to an electrochemical measuring cell for detecting selected gaseous components such as hydride gases, sulfur dioxide and nitrogen dioxide by means of at least one measuring electrode and a counter electrode disposed in an electrolyte. The electrodes and the electrolyte are accommodated in a measuring chamber which is closed off to the ambient by a membrane permeable to the substance to be detected. This measuring cell is improved in that the long-term stability of the measuring signal is increased and the measuring sensitivity as well as the selectivity are increased. For this purpose, the electrolyte includes an additive catalyzing the oxidation of the substance to be detected. The additive contained in the electrolyte can be inorganic heteropoly acids or iron salts.
    • 本发明涉及一种用于通过至少一个测量电极和设置在电解质中的对电极来检测选定气体组分如氢化物气体,二氧化硫和二氧化氮的电化学测量池。 电极和电解质容纳在测量室中,该测量室通过可被待检测物质渗透的膜封闭到环境中。 改进了该测量单元,因为测量信号的长期稳定性增加,并且测量灵敏度以及选择性增加。 为此,电解质包括催化待检测物质氧化的添加剂。 包含在电解质中的添加剂可以是无机杂多酸或铁盐。
    • 10. 发明授权
    • Flow gap gas distribution adapter for an electrochemical gas sensor
    • 用于电化学气体传感器的流隙气体分配适配器
    • US06793786B2
    • 2004-09-21
    • US10109477
    • 2002-03-28
    • Herbert KieseleUwe KühnRainer KunzFrank Mett
    • Herbert KieseleUwe KühnRainer KunzFrank Mett
    • G01N27404
    • G01N27/404G01N33/0009
    • An adapter (1) and electrochemical gas sensor (2) is provided with an electrochemical gas sensor housing (14) accommodating an electrolyte (13), with at least one measuring electrode (12) arranged therein and with a membrane (11), which screens the measuring electrode (12) from a measured gas and is permeable to the measured gas. The measuring sensitivity of an electrochemical gas sensor is increased by the adapter (1) having a gas-impermeable surface (15) extending in parallel to and at a spaced location from the membrane (11). The adapter (1) and the membrane (11) form a flow gap (10) for the measured gas delivered by a pump. The adapter (1) may be plugged onto the electrochemical sensor (2) at its outer edge (1a). The measured gas enters through a central opening (17), expands in the flow gap (10) radially to the outside and leaves same via the ring-shaped gap (16).
    • 适配器(1)和电化学气体传感器(2)设置有容纳电解质(13)的电化学气体传感器壳体(14),其中布置有至少一个测量电极(12)和膜(11),其中 从测量的气体中筛选测量电极(12)并且对测得的气体是可渗透的。电化学气体传感器的测量灵敏度由具有气体不可渗透表面(15)的适配器(1)增加,所述气体不可渗透表面(15)平行延伸并在 与膜(11)的间隔开的位置。 适配器(1)和膜(11)形成用于由泵输送的测量气体的流动间隙(10)。 适配器(1)可以在其外边缘(1a)处被插入到电化学传感器(2)上。 测量的气体通过中心开口(17)进入,在流动间隙(10)中径向扩张到外部并经由环形间隙(16)离开。