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    • 12. 发明授权
    • Voltage divider in thin- or thick-film technology
    • 薄膜或厚膜技术的分压器
    • US4531111A
    • 1985-07-23
    • US513961
    • 1983-07-06
    • Lothar SchmidtUlrich Goebel
    • Lothar SchmidtUlrich Goebel
    • H01C7/00H01C10/00H01C17/22H01C17/24H01C17/242H01C10/16
    • H01C17/24
    • A calibratable voltage divider made by thin-film or thick-film technology formed by a flat film is an ohmic voltage divider resistor connected to have current flow through it. At least one tap is provided to tap off a desired divider voltage. The ohmic voltage divider resistor includes a single, coherent first resistance zone (10), which has one area for supplying current and another for taking current away, each being connected with a respective connection conductor (11, 12). The tap is made in the form of a second resistance zone (13) connected with the first resistance zone (10) between the current supply, and current drainage areas, and a take-off electrode (14) is attached to the second resistance zone (13). As needed, one or two cuts (16, 17), which intersect the equipotential lines are made to partially separate the second resistance (13) from the resistor (10) zone extended far enough that the potential attains the desired value at the take-off electrode (14) of the tap. The cut is so placed with respect to the coherent resistance zone that its length, or extent, hardly affects the resistance of the coherent zone between the current supply and drainage areas.
    • PCT No.PCT / DE82 / 00209 Sec。 371日期:1983年7月6日 102(e)日期1983年7月6日PCT提交1982年10月28日PCT公布。 公开号WO83 / 01708 日期:1983年5月11日。由平膜薄膜或厚膜技术制成的可校准分压器是连接有电流流过其的欧姆分压电阻器。 提供至少一个分接头来分离所需的分压电压。 欧姆分压器电阻器包括单个相干第一电阻区域(10),其具有用于提供电流的一个区域和用于取消电流的一个区域,每个区域与相应的连接导体(11,12)连接。 水龙头以与电流源和电流引流区域之间的第一电阻区域(10)连接的第二电阻区域(13)的形式制成,并且引出电极(14)附接到第二电阻区域 (13)。 根据需要,使与等电位线相交的一个或两个切口(16,17)将第二电阻(13)与电阻(10)区域部分地分开,该电阻(10)区域延伸得足够远,使得电位在取样位置处达到期望值, 关闭电极(14)。 相对于相干电阻区域的切割是如此放置的,其长度或程度几乎不影响当前供水和排水区域之间的相干区域的阻力。
    • 14. 发明申请
    • EXHAUST EMISSION CONTROL SYSTEM FOR LEAN ENGINES AND METHOD FOR OPERATING THE SYSTEM
    • 排气发动机排气控制系统及运行系统的方法
    • US20100037597A1
    • 2010-02-18
    • US12519989
    • 2007-12-21
    • Stephan EckhoffUlrich GoebelSusanne PhilippWilfried MuellerThomas Kreuzer
    • Stephan EckhoffUlrich GoebelSusanne PhilippWilfried MuellerThomas Kreuzer
    • F01N9/00F01N3/023F01N3/10
    • F01N3/0814F01N3/0842F01N3/0871F01N3/2073F01N13/009F01N13/0097F01N13/011F01N2570/18F01N2610/03F02D41/0082F02D41/0275Y02T10/24
    • An emission control system for the cleaning of the exhaust gases of a lean burn engine with two or more cylinders comprises a first exhaust leg for the exhaust gases of a first group of cylinders and a second exhaust leg for the exhaust gases of a second group of cylinders. A nitrogen oxide storage catalyst is arranged in each exhaust leg. The two exhaust legs are combined downstream of the storage catalysts at a confluence to form a common exhaust leg. The common exhaust leg contains an SCR catalyst. The first and second groups of cylinders are each supplied alternately in periodic intervals with lean and rich air/fuel mixtures. Lean or rich exhaust gases are thus obtained in the combustion in the cylinders and released into the corresponding exhaust legs. Lean and rich exhaust gases are adjusted with respect to one another so as to result in a lean exhaust gas after the combination of the exhaust gases in the common exhaust leg. The regeneration of the storage catalysts may result in the formation of ammonia, which is stored by the SCR catalyst and reacted with nitrogen oxides which pass through the storage catalysts in an unwanted manner during the storage phases.
    • 用于清洁具有两个或多个气缸的稀薄燃烧发动机的废气的排放控制系统包括用于第一组气缸的排气的第一排气支管和用于第二组气缸的废气的第二排气支管 气瓶。 在每个排气支管中设置氮氧化物储存催化剂。 两个排气支路在汇合处在储存催化剂的下游组合以形成共同的排气支路。 普通排气支架含有SCR催化剂。 第一组和第二组汽缸分别以稀薄和浓缩的空气/燃料混合物以周期性间隔交替供应。 因此,在气缸中的燃烧中获得精益或浓缩的废气,并将其排放到相应的排气支管中。 精益和丰富的废气相对于彼此进行调节,以便在共同排气支路中排出的废气组合之后产生贫乏的废气。 储存催化剂的再生可导致氨的形成,其由SCR催化剂储存并与在储存阶段期间以不期望的方式通过储存催化剂的氮氧化物反应。
    • 15. 发明申请
    • Method for monitoring the nitrogen oxide storage capacity of a nitrogen oxide storage catalyst used in the form of a primary catalytic converter
    • 监测以一级催化转化器形式使用的氮氧化物储存催化剂的氮氧化物储存能力的方法
    • US20090229249A1
    • 2009-09-17
    • US11722135
    • 2005-12-17
    • Stephan BremmChristian Manfred TomanikUlrich GoebelWilfried MuellerThomas Kreuzer
    • Stephan BremmChristian Manfred TomanikUlrich GoebelWilfried MuellerThomas Kreuzer
    • F01N11/00G01M15/10
    • F01N11/00F01N3/0814F01N3/0842F01N3/0864F01N13/009F01N13/0093F01N2550/03Y02T10/47
    • Modern exhaust-gas purification systems in motor vehicles with a lean-burn engine include a starting catalyst fitted close to the engine and a main catalyst arranged in the underbody region, with both the starting catalyst and the main catalyst being formed by nitrogen oxide storage catalysts. The nitrogen oxide storage catalysts are in each case regenerated by the engine being briefly switched from lean-burn mode to rich-burn mode when the nitrogen oxide concentration in the exhaust gas downstream of the storage catalysts rises above a predetermined value.The starting catalyst is exposed to particularly high temperatures and is therefore prone to faster ageing of its nitrogen oxide storage capacity than the main catalyst. To check the nitrogen oxide storage capacity of the starting catalyst, a regeneration which is due for the catalyst system is selected in such a way in terms of its duration and the extent to which the exhaust gas is enriched that substantially only the starting catalyst is regenerated, whereas the main catalyst is not. In this arrangement, the criterion for terminating this partial regeneration is the breakthrough of rich exhaust gas through the starting catalyst. After the engine has been switched back to lean-burn mode, the time which elapses until the concentration of nitrogen oxides in the exhaust gas downstream of the catalyst requires regeneration again is measured. The measured time is a measure of the remaining nitrogen oxide storage capacity of the starting catalyst.
    • 具有稀燃燃烧发动机的机动车辆中的现代废气净化系统包括安装在发动机附近的起动催化剂和布置在底体区域中的主催化剂,起始催化剂和主催化剂由氮氧化物储存催化剂形成 。 当存储催化剂下游的废气中的氮氧化物浓度升高到预定值以上时,氮氧化物储存催化剂在每种情况下都可通过发动机从稀燃模式短暂切换为富燃模式。 起始催化剂暴露于特别高的温度,因此比主催化剂容易发生氮氧化物储存容量的老化。 为了检查起始催化剂的氮氧化物存储容量,选择催化剂体系所致的再生,就其持续时间和废气浓缩程度而言,基本上只有起始催化剂被再生 ,而主催化剂不是。 在这种布置中,终止这种部分再生的标准是通过起动催化剂的富排气的突破。 在发动机已经切换回稀燃模式之后,测量在催化剂下游的废气中的氮氧化物浓度再次需要再次之前经过的时间。 测量时间是起始催化剂的剩余氮氧化物储存容量的量度。
    • 16. 发明申请
    • Method for regeneration a nitrogen oxide storage catalyst
    • 再生氮氧化物储存催化剂的方法
    • US20090151329A1
    • 2009-06-18
    • US11722149
    • 2005-12-24
    • Stephan BremmChristian Manfred TomanikUlrich GoebelWilfried MuellerThomas Kreuzer
    • Stephan BremmChristian Manfred TomanikUlrich GoebelWilfried MuellerThomas Kreuzer
    • F01N9/00
    • F02D41/0275B01D53/9495B01D53/96F01N3/0814F01N3/0885
    • To remove the nitrogen oxides from the exhaust gas from lean-burn engines, these engines are equipped with a nitrogen oxide storage catalyst, which has to be regenerated frequently by the engine being briefly switched to rich-burn mode. The regeneration is usually initiated when the nitrogen oxide concentration downstream of the catalyst rises above a permissible value. In this context, there is a risk of the bed temperature of the catalyst during and after regeneration being pushed into a range with incipient thermal desorption of the nitrogen oxides on account of the heat which is released during the conversion of the nitrogen oxides by the reducing constituents of the exhaust gas. This can lead to increased nitrogen oxide emission both during the regeneration itself and after the engine has been switched back to lean-burn mode. To eliminate this problem, it is proposed to divide the rich-burn mode into two rich pulses which follow one another in time, the first rich pulse being of shorter duration than the second rich pulse.
    • 为了从贫燃发动机的排气中除去氮氧化物,这些发动机配备有氮氧化物储存催化剂,其必须经过发动机的短时间切换为富燃烧模式而频繁地再生。 当催化剂下游的氮氧化物浓度高于允许值时,通常开始再生。 在这种情况下,存在在再生期间和之后将催化剂的床温度推到具有氮氧化物的初期热解吸的范围内的风险,这是由于在氮氧化物转化期间释放的热量通过还原 排气成分。 这可以导致在再生期间和发动机已经切换回稀燃模式之后氮氧化物排放增加。 为了消除这个问题,提出将富燃烧模式分成时间上相互依赖的两个富脉冲,第一富脉冲的持续时间比第二富脉冲短。
    • 19. 发明授权
    • Process for producing a ceramic multilayer substrate
    • 陶瓷多层基板的制造方法
    • US5919325A
    • 1999-07-06
    • US981163
    • 1997-12-11
    • Ulrich GoebelWalter Roethlingshoefer
    • Ulrich GoebelWalter Roethlingshoefer
    • H05K3/46H01L21/48H01L23/498H05K1/09C04B37/00
    • H05K1/092H01L23/49883H01L2924/0002H01L2924/09701
    • A process for producing a ceramic multilayer substrate, particularly an LTCC substrate, in which printed circuit traces and plated contactings are produced in a printing process on a plurality of green ceramic foils using a conductive paste which contains a wax as a printing carrier and is free of highly volatile solvents, and the green ceramic foils subsequently being arranged in a stack one upon the other and fired. The otherwise customary, time-consuming drying of the green ceramic foils for the vaporization of the utilized solvent is eliminated. The foils can be stacked and fired immediately after the printing of the printed circuit traces and plated contactings. Furthermore, shrinkage of the printed circuit traces and the green ceramic foils before the firing is avoided, thereby decisively improving the precision of the produced ceramic multilayer substrates.
    • PCT No.PCT / DE96 / 02348 Sec。 371 1997年12月11日第 102(e)日期1997年12月11日PCT 1996年12月7日PCT PCT。 第WO97 / 40529号公报 日期1997年10月30日一种制造陶瓷多层基板,特别是LTCC基板的方法,其中印刷电路迹线和电镀接触在印刷过程中在多个生坯陶瓷箔上使用包含蜡作为 印刷载体,并且不含高挥发性溶剂,并且随后将生坯陶瓷箔彼此堆叠并烧制。 消除了用于蒸发利用的溶剂的生坯陶瓷箔的另外常规,耗时的干燥。 在打印印刷电路迹线和电镀接触之后,箔可以堆叠并立即烧制。 此外,避免了在烧制之前的印刷电路迹线和生坯陶瓷箔的收缩,从而确定地提高了所制造的陶瓷多层基板的精度。