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    • 1. 发明授权
    • Electrochemical measuring cell for determining ammonia or hydrazine in a
measuring sample
    • 用于测定样品中氨基酸或水合物的电化学测量单元
    • US5076904A
    • 1991-12-31
    • US507755
    • 1990-04-12
    • Herbert KieseleUwe KuhnStephan Haupt
    • Herbert KieseleUwe KuhnStephan Haupt
    • G01N27/404C25B11/08G01N27/416G01N27/49
    • G01N27/4045
    • The invention is directed to an electrochemical measuring cell for determining ammonia or hydrazine in a gaseous or liquid measuring sample. The measuring cell has at least one measuring electrode and at least one counter electrode which are disposed in an electrolyte chamber filled with a soluble electrolyte. The electrolyte chamber is closed off in the direction facing toward the measuring sample by a permeable membrane. The measuring cell provides a selective ammonia measurement having the following advantages: a short response time, a linear response and a low tendency to drift. The electrodes of the measuring cell are so configured that the oxidation of the ammonia as a measurement reaction has no influence on the sensitivity of the measuring cell. For this purpose, at least the measuring electrode is provided with a coating containing cobalt oxide which is in direct contact with the electrolyte.
    • 本发明涉及用于测定气态或液体测量样品中的氨或肼的电化学测量池。 测量单元具有至少一个测量电极和至少一个对电极,它们设置在填充有可溶性电解质的电解质室中。 电解质室通过渗透膜在朝向测量样品的方向上封闭。 测量池提供选择性氨测量,其具有以下优点:响应时间短,线性响应和低漂移倾向。 测量单元的电极被配置为使得作为测量反应的氨的氧化对测量单元的灵敏度没有影响。 为此,至少测量电极设置有与电解质直接接触的含有氧化钴的涂层。
    • 2. 发明授权
    • Electrochemical measuring cell for amperometrically determining ammonia
and derivatives thereof
    • 用于电化学测定氨及其衍生物的电化学测量电池
    • US4961834A
    • 1990-10-09
    • US448269
    • 1989-12-11
    • Uwe KuhnChristiane RoocksHerbert Kiesele
    • Uwe KuhnChristiane RoocksHerbert Kiesele
    • G01N27/404G01N27/416G01N27/49G01N33/00
    • G01N27/4045G01N33/0054
    • The invention is directed to an electrochemical measuring cell for determining ammonia and its derivatives in a gaseous or liquid measuring sample. The measuring cell has at least one anode and at least one cathode which are disposed in an electrolyte chamber filled with a soluble electrolyte. The electrolyte chamber is closed off in the direction facing toward the measuring sample by a permeable membrane. The measuring cell provides a more selective ammonia sensor having the following advantages: a short response time, a linear response and exhibits the lowest possible tendency toward drift. The electrolyte of the measuring cell is so configured that the reaction products of the measuring reaction do not affect subsequent measurements. For this purpose the measuring cell, which operates in an amperometric measuring mode, contains a soluble non-oxidizable reagent in the electrolyte which reacts completely with ammonia to form an oxidizable product which is convertible by its oxidation into non-oxidizable soluble secondary products which are chemically and electrochemically inert.
    • 本发明涉及一种用于在气体或液体测量样品中测定氨及其衍生物的电化学测量池。 测量池具有至少一个阳极和至少一个阴极,它们设置在填充有可溶性电解质的电解质室中。 电解质室通过渗透膜在朝向测量样品的方向上封闭。 测量池提供了更具选择性的氨传感器,其具有以下优点:响应时间短,线性响应,并且具有尽可能低的漂移倾向。 测量池的电解质配置使得测量反应的反应产物不影响随后的测量。 为此目的,以电流计测量模式运行的测量池在电解液中含有可与氨反应的可溶性不可氧化试剂,以形成可氧化产物,该产物可通过其氧化转化为不可氧化的可溶性次级产物, 化学和电化学惰性。
    • 3. 发明授权
    • Electrical measuring cell for determinging ammonia, amines, hydrazine
amines, hydrazine and hydrazine derivatives
    • 用于测定氨,胺,肼和肼衍生物的电化学测量池
    • US5344546A
    • 1994-09-06
    • US19764
    • 1993-02-19
    • Herbert KieseleStephan HauptUwe Kuhn
    • Herbert KieseleStephan HauptUwe Kuhn
    • G01N27/49G01N33/00G01N27/404
    • G01N27/4045G01N33/0054
    • The invention is directed to an electrochemical cell for measuring ammonia, amines, hydrazine and hydrazine derivatives and includes a measuring electrode in an electrolyte. The measuring electrode is provided with a coating made of a transition metal oxide and is improved in that its measuring sensitivity during long-term loading is increased. The cross sensitivity of the measuring cell is reduced especially with respect to NO.sub.2 and SO.sub.2. For this purpose, the oxide constituents of the coating are made of a metal conducting oxide of one element or an oxide mixture of several elements of the platinum metal group. Oxides of ruthenium and iridium have proven especially useful. The invention is also directed to an electrochemical measuring cell for measuring ammonia or hydrazine and includes at least a measuring electrode and a counter electrode in an electrolyte. The measuring cell provides a signal increase having a shorter response time and an improved signal stability. For this purpose, the electrolyte is an aqueous solution of a hygroscopic salt of an alkali metal or alkaline earth metal such as calcium nitrate or lithium nitrate or a mixture of both salts.
    • 本发明涉及用于测量氨,胺,肼和肼衍生物的电化学电池,并且在电解质中包括测量电极。 测量电极设置有由过渡金属氧化物制成的涂层,并且改进了其在长期负载期间的测量灵敏度增加。 测量池的交叉灵敏度特别是相对于NO2和SO2而降低。 为此,涂层的氧化物组分由一种元素的金属导电氧化物或铂金属基团的若干元素的氧化物混合物制成。 钌和铱的氧化物被证明是特别有用的。 本发明还涉及一种用于测量氨或肼的电化学测量池,并且在电解质中至少包括测量电极和对电极。 测量单元提供具有较短响应时间和改进的信号稳定性的信号增加。 为此,电解质是碱金属或碱土金属的吸湿盐如硝酸钙或硝酸锂或这两种盐的混合物的水溶液。
    • 4. 发明授权
    • Electrochemical measuring cell for determining ammonia or hydrazine in a
measuring sample
    • 用于测定样品中氨或肼的电化学测量池
    • US5198092A
    • 1993-03-30
    • US696089
    • 1991-05-06
    • Herbert KieseleUwe KuhnStephan Haupt
    • Herbert KieseleUwe KuhnStephan Haupt
    • G01N27/49
    • G01N27/4045
    • The invention is directed to an electrochemical measuring cell for determining ammonia or hydrazine in a gaseous or liquid measuring sample. The measuring cell has at least one measuring electrode and at least one counter electrode which are disposed in an electrolyte chamber filled with a soluble electrolyte containing a cobalt salt dissolved therein. The electrolyte chamber is closed off in the direction facing toward the measuring sample by a permeable membrane. The measuring cell provides a selective ammonia measurement having the following advantages: a short response time, a linear response and a low tendency to drift. The electrodes of the measuring cell are so configured that the oxidation of the ammonia as a measurement reaction has no influence on the sensitivity of the measuring cell. For this purpose, at least the measuring electrode is provided with a coating containing cobalt oxide which is in direct contact with the electrolyte.
    • 本发明涉及用于测定气态或液体测量样品中的氨或肼的电化学测量池。 测量单元具有至少一个测量电极和至少一个对电极,其设置在填充有溶解有钴盐的可溶性电解质的电解质室中。 电解质室通过渗透膜在朝向测量样品的方向上封闭。 测量池提供选择性氨测量,其具有以下优点:响应时间短,线性响应和低漂移倾向。 测量单元的电极被配置为使得作为测量反应的氨的氧化对测量单元的灵敏度没有影响。 为此,至少测量电极设置有与电解质直接接触的含有氧化钴的涂层。
    • 6. 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)。
    • 10. 发明授权
    • Pump device for high pressure fuel delivery in fuel injection system of
internal combustion engines
    • 用于内燃机燃油喷射系统中高压燃料输送的泵装置
    • US6126407A
    • 2000-10-03
    • US284773
    • 1999-05-28
    • Josef GuentertBernd StreicherUwe KuhnJuergen HammerThomas Lettner
    • Josef GuentertBernd StreicherUwe KuhnJuergen HammerThomas Lettner
    • F02M37/06F02M39/00F02M59/06F02M59/44F04B23/10H05B1/00H05B3/02
    • F04B23/103F02M39/005
    • The invention relates to a pump device for high-pressure fuel delivery in fuel injection systems of internal combustion engines, in particular in a common rail injection system, including a radial piston pump (2, 68, 80) with a drive shaft (38, 74, 114) that is supported in a pump housing (14) and is embodied eccentrically or has cam-like projections in the circumference direction, preferably with a number of pistons that are each disposed in a cylinder chamber radially in relation to the drive shaft and can be driven to reciprocate in the cylinder chamber when the drive shaft rotates, and with a check valve on the intake side and the high pressure side, and a low pressure pump (4, 71, 82) connected before the radial piston pump; in order to improve the pump device in such a way that it is more compact and can be produced more cheaply and the danger of the occurrence of leaks is reduced, the low pressure pump (4, 71, 82) is provided on or in the pump housing (14) of the radial piston pump (2, 68, 80), on the end remote from the drive end (10), and can be driven by the drive shaft (38, 74, 114) of the radial piston pump. (FIG. 1b)
    • PCT No.PCT / DE98 / 01919 Sec。 371日期1999年5月28日 102(e)日期1999年5月28日PCT提交1998年7月9日PCT公布。 公开号WO99 /​​ 09316 日期1999年2月25日本发明涉及一种用于内燃机的燃料喷射系统中的高压燃料输送的泵装置,特别是在共轨喷射系统中,包括径向活塞泵(2,88,80),其具有 驱动轴(38,74,114),其被支撑在泵壳体(14)中,并且在圆周方向上偏心地设置或具有凸轮状突起,优选地,多个活塞各自以径向位于气缸室中 与驱动轴相关联,并且可以在驱动轴旋转时被驱动以在气缸室中往复运动,并且在进气侧和高压侧具有止回阀,并且在低压泵(4,71,82)之前连接的低压泵 径向活塞泵; 为了改善泵装置,使得其更紧凑并且可以更便宜地生产并且泄漏发生的危险降低,低压泵(4,71,82)设置在或 径向柱塞泵(2,68,80)的泵壳体(14)在远离驱动端(10)的一端上,并且可以由径向柱塞泵(38,64)的驱动轴(38,74,114)驱动 。 (图1b)