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    • 2. 发明授权
    • Combustion monitoring system for multi-cylinder internal combustion
engine
    • 多缸内燃机燃烧监控系统
    • US4425788A
    • 1984-01-17
    • US344407
    • 1982-02-01
    • Horst FrankeErnst LinderWinfried MoserKlaus MullerFranz Rieger
    • Horst FrankeErnst LinderWinfried MoserKlaus MullerFranz Rieger
    • G01M15/04F02B1/04G01H9/00G01L23/22G01M15/10H01T13/48
    • H01T13/48G01L23/22G01M15/10F02B1/04
    • To permit individual evaluation of the combustion processes in the respective cylinders (1a-d) of an internal combustion (IC) engine (2), individual optical pick-ups (3a-d; 4a-d) are coupled to the respective cylinders, the output signals either in optical or electrical form are conducted to separate pick-ups for individual evaluation or, alternatively, the output signals are combined and then again separated out by a steering circuit. Individual evaluation can be accomplished by locating light guide fibers from the sensors in a predetermined position with respect to opto-electrical transducers; by forming scanning windows, for example by a rotating disk (19, 20) rotating n in synchronism with the engine and permitting passage of light from the respective fibers of the light guides to respective pick-ups; or by combining the light outputs from the respective sensors (4) either optically by intermixing light guide fibers in a common cable (6'), or electrically in an equivalent OR-circuit (FIG. 8: R.sub.L) with subsequent correlation of the output signal with a specific cylinder by a scanning disk (FIG. 6: 20) with suitably placed openings (22a-d) therein, or an electrical time-multiplex steering circuit (FIG. 8: 30) operating in synchronism with rotation of the engine.
    • 为了对内燃(IC)发动机(2)的各汽缸(1a-d)中的燃烧过程进行单独评估,将各个光拾取器(3a-d; 4a-d)联接到相应气缸, 以光学或电气形式输出的信号被传送到用于单独评估的单独的拾取器,或者,输出信号被组合,然后由转向电路再次分离。 可以通过将来自传感器的光导纤维相对于光电换能器定位在预定位置来实现个体评估; 通过形成扫描窗口,例如通过与发动机同步旋转的旋转盘(19,20),并允许光从光导的各个光纤通过到相应的拾取器; 或者通过将光导纤维混合在公共电缆(6')中,或者在等效的或电路(图8:RL)中电耦合来分别来自各个传感器(4)的光输出, 通过其中具有适当放置的开口(22a-d)的扫描盘(图6:20)或具有与发动机的旋转同步运行的电气时间复用转向电路(图8:30)的具有特定气缸的信号 。
    • 3. 发明授权
    • Combustion process parameter sensor
    • 燃烧过程参数传感器
    • US4413509A
    • 1983-11-08
    • US313359
    • 1981-10-20
    • Winfried MoserKlaus MullerFranz Rieger
    • Winfried MoserKlaus MullerFranz Rieger
    • G01J1/02F02B1/04F02B3/06F02B23/00G01L23/22H01T13/48G01M15/00
    • H01T13/48G01L23/22F02B1/04F02B3/06
    • To provide for simultaneous transmission of pressure signals and light signals from the combustion chamber (CC) of an internal combustion engine or, selectively, either one or the other of the pressure or light signals, independently, a spark plug-type housing (1, 2) has a glass plug (3) fitted therein, the end face of which at the side remote from the combustion chamber engaging a piezo-ceramic ring (4). The inner opening of the ring (4) transmits light from the glass plug or rod 3 to a light guide fiber cable (7) which, concentrically and insulated from each other, has a metal woven sleeve (10) placed thereabout, and an outer metallic jacket (12), the woven sleeve (10) being connected to a flanged ring (6, 6a) engaging one end face of the piezo-ceramic ring (4), the other end face being connected to the outer metallic sleeve (12) to provide a coaxial electrical signal output cable, with the inner portion thereof surrounding and forming a jacket for the light guide fiber cable (7).
    • 为了同时传输来自内燃机的燃烧室(CC)的压力信号和光信号,或独立地选择性地,一个或另一个压力或光信号,火花塞型壳体(1, 2)具有安装在其中的玻璃塞(3),其端面远离燃烧室的一侧与压电陶瓷环(4)接合。 环(4)的内部开口将来自玻璃塞或者杆3的光透射到光导纤维电缆(7),该光导纤维电缆彼此同心且绝缘,在其周围设有金属编织套筒(10) 金属护套(12),编织套筒(10)连接到接合压电陶瓷环(4)的一个端面的凸缘环(6,6a),另一个端面连接到外部金属套筒(12) )以提供同轴电信号输出电缆,其内部包围并形成用于光导纤维电缆(7)的护套。
    • 5. 发明授权
    • Flat electrochemical sensor, and method of its manufacture
    • 平面电化学传感器及其制造方法
    • US4294679A
    • 1981-10-13
    • US145738
    • 1980-05-01
    • Helmut MaurerKlaus MullerErnst LinderFranz RiegerGunther Stecher
    • Helmut MaurerKlaus MullerErnst LinderFranz RiegerGunther Stecher
    • G01N27/41B01L3/00G01N27/406G01N27/407G01N27/409G01N27/413G01N27/416G01N27/48G01N27/58
    • G01N27/4071G01N27/4067G01N27/48Y10T29/49002
    • To apply a measured quantity of air to the electrodes applied to a plate-like solid electrolyte body, which may be a chip on a carrier or may, itself, form the carrier, grooves, flutes, ducts, or depressions are formed in the carrier and/or a cover plate, the grooves terminating at an edge portion with access to the gas to be supplied, and having a size such that their clear height is preferably in the lower micron region, and a width, preferably under 1 mm, and particularly between 0.2 and 0.4 mm. The higher limits are applicable to apply, for example, air to a reference electrode, to apply ambient oxygen thereto; the lower limits are appropriate when operating the sensor as a polarographic sensor, in which the diffusion limited current, upon application of a bias voltage, is an analog measure of the oxygen concentration in the gas, and the gas supply to the electrode must be suitably controlled to prevent saturation conditions. The grooves may be formed, for example, by sandblasting or by applying insulating material in the form of posts, ridges, and the like, on the respective element, filling the space therebetween with a filler substance which, upon subsequent sintering, escapes, thus leaving the voids forming the grooves, depressions, and the like.
    • 为了将应用于板状固体电解质体的电极施加测量量的空气,该固体电解质体可以是载体上的芯片,或者可以自身形成载体,在载体中形成凹槽,凹槽,管道或凹陷 和/或盖板,所述槽终止于边缘部分,具有进入待供应气体的通道,并且具有这样的尺寸,使得它们的透明高度优选地在较低的微米区域中,宽度优选地在1mm以下,以及 特别是在0.2和0.4毫米之间。 上限适用于将例如空气施加到参比电极,以向其施加环境氧; 当将传感器作为极谱传感器操作时,下限是适当的,其中在施加偏压时扩散受限电流是气体中氧浓度的模拟测量,并且对电极的气体供应必须适当 控制以防止饱和条件。 凹槽可以例如通过喷砂或通过在各个元件上施加柱状物,脊等的形式的绝缘材料形成,用填充物填充其间的空间,该填充物在随后的烧结时逸出,因此 留下形成凹槽,凹陷等的空隙。
    • 8. 发明授权
    • Apparatus for controlling the exhaust gas recirculation rate in an
internal combustion engine
    • 用于控制内燃机中废气再循环速率的装置
    • US4333439A
    • 1982-06-08
    • US127158
    • 1980-03-04
    • Klaus MullerHelmut MaurerFranz RiegerErnst Linder
    • Klaus MullerHelmut MaurerFranz RiegerErnst Linder
    • F02M25/07F02D21/08F02M25/06
    • F02D41/0065F02D41/144F02D41/005Y02T10/47
    • An apparatus is proposed for controlling the exhaust recirculation rate in an internal combustion engine, in particular an engine with auto-ignition, which includes preferably one mixture valve in the area of the discharge opening of the exhaust recirculation line and which is characterized in that the control is accomplished via the mixture valve position ahead of the inlet valves in accordance with the concentration of at least one component of the air-exhaust gas mixture and/or at least one component of the exhaust gas. Thus it is possible to operate the engine with a relatively emission-free exhaust. An exhaust gas reservoir is further provided, with which peaks in the exhaust gas concentration due to a dynamic driving mode can be intercepted. Finally, it is also proposed that the exhaust recirculation be realized solely via a pressure, which can be controlled in open-loop or closed-loop fashion, in the exhaust line by means of a valve.
    • 提出了一种用于控制内燃机,特别是具有自动点火的发动机的排气再循环率的装置,其优选地包括在排气再循环管线的排放口的区域中的一个混合阀,并且其特征在于, 根据排气混合物的至少一种组分和/或废气的至少一种组分的浓度,通过进口阀前面的混合阀位置实现控制。 因此,可以用相对无排放的排气来操作发动机。 还设置有废气储存器,由此可以拦截由于动态驱动模式引起的废气浓度的峰值。 最后,还提出排气再循环仅通过可通过阀门在排气管路中以开环或闭环方式控制的压力来实现。
    • 10. 发明授权
    • Temperature compensated polarographic oxygen gas sensor and sensing
system, particularly for automotive application
    • 温度补偿极谱氧气传感器和传感系统,特别适用于汽车应用
    • US4391691A
    • 1983-07-05
    • US242579
    • 1981-03-11
    • Ernst LinderHelmut MaurerKlaus MullerFranz Rieger
    • Ernst LinderHelmut MaurerKlaus MullerFranz Rieger
    • G01N27/41F02D41/14G01N27/406G01N27/407G01N27/416G01N27/48G01N27/56G01N27/58
    • G01N27/4071F02D41/1476G01N27/4065G01N27/48
    • To render output of a polarographic sensor essentially independent of aging of electrodes and temperature effects of the solid electrolyte body, within the operating ranges of the sensor to measure the oxygen composition of exhaust gases, the solid electrolyte plate of, for example, 50 mm length, 8 mm width and 1 mm thickness has a sensing electrode system including a cathode (2), and an anode (3) applied thereto, connected to a voltage source (7) of controllable output voltage. An oxygen molecule diffusion barrier (6) is applied to the cathode electrode. Additionally, a further electrode pair (5,4) is applied to the solid electrolyte body (1), serially connected in the current limiting circuit including the control voltage source. The voltage across one (2,3) of the electrode pairs is measured and compared with the voltage across the other electrode pair (4,5) voltage source, since the resistance of the zirconium solid electrolyte body drops with increasing temperature at roughly the same rate as the increase in limit current flow with increasing temperature. Both electrode pairs (2,3; 4,5) on the solid electrolyte body (1) are exposed to the gases, the oxygen content of which is to be analyzed.
    • 为了使极谱传感器的输出基本上独立于电极的老化和固体电解质体的温度效应,在用于测量废气的氧气组成的传感器的操作范围内,固体电解质板例如为50mm长度 宽8mm,厚1mm的感测电极系统具有与可控输出电压的电压源(7)连接的阴极(2)和阳极(3)的检测电极系统。 向阴极施加氧分子扩散阻挡层(6)。 另外,在包括控制电压源的限流电路中串联连接到固体电解质体(1)上的另一电极对(5,4)。 测量一个(2,3)电极对上的电压,并与另一个电极对(4,5)电压源上的电压进行比较,因为锆固体电解质体的电阻随温度升高大致相同而下降 随着温度的升高,限流电流的增加。 将固体电解质体(1)上的两个电极对(2,3; 4,5)暴露于要分析其含氧量的气体。