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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
    • Optical combustion sensor system
    • 光学燃烧传感器系统
    • US4404841A
    • 1983-09-20
    • US344518
    • 1982-02-01
    • Horst FrankeErnst LinderWinfried MoserKlaus MullerFranz Rieger
    • Horst FrankeErnst LinderWinfried MoserKlaus MullerFranz Rieger
    • G01L23/06G01H9/00G01L23/22G01M15/04
    • G01L23/22
    • To determine proper operation of a combustion sensor, and to normalize the output signals derived from a pick-up having a window exposed to the combustion chamber (10) by compensating for soiling, contamination, and loss of transmissivity of the window due to combustion residue, soot, or the like, a reference light source is provided introducing reference light of a predetermined level to the pick-up, for example when no light is generated due to combustoin events. In an internal combustion (IC) engine, the reference light can be energized during stopped condition of the engine, or during portions of the stroke of the engine when no combustion event takes place. Output signals from the pick-up are applied to a variable amplification factor amplifier, the amplification factor of which is first calibrated with a clean light source, and then continuously recalibrated or normalized with respect to its original calibration by changing the amplification factor in accordance with electrical signals derived from sensing of the reference light, so that the actual sensing light will be normalized with respect to the reference. The calibration, itself, can be variable and account for external factors, such as aging or decrease of light output of the light source. The reference light can be introduced by an externally operated incandescent filament or by shining light into a portion of a tubular housing, for example through a glass light guide, and reflecting the reference light into the sensing window which also senses light due to combustion.
    • 为了确定燃烧传感器的正确操作,并且通过补偿由燃烧残余物引起的窗口的污染,污染和透射率的损失,使从具有暴露于燃烧室(10)的窗口的拾取器得到的输出信号归一化 烟炱等,例如当由于燃烧事件没有产生光时,向拾取器引入预定水平的参考光的参考光源。 在内燃(IC)发动机中,在不发生燃烧事件的情况下,在发动机的停止状态或发动机的行程的部分期间,可以对参考光进行通电。 来自拾取器的输出信号被应用于可变放大因子放大器,其放大因子首先用干净的光源校准,然后通过根据其原始校准改变放大系数而连续重新校准或归一化 从参考光的感测得到的电信号,使得实际感测光将相对于参考标准化。 校准本身可以是变量的,并且可以解释诸如光源的光输出的老化或减少的外部因素。 参考光可以由外部操作的白炽灯丝引入,或者通过将光照射到管状外壳的一部分中,例如通过玻璃光导,并将参考光反射到还感测由于燃烧引起的光的感测窗中。
    • 6. 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。
    • 9. 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。
    • 10. 发明授权
    • Internal combustion engine exhaust gas oxygen sensor and catalyzer
combination
    • 内燃机废气氧传感器和催化剂组合
    • US4132615A
    • 1979-01-02
    • US747480
    • 1976-12-06
    • Ernst LinderLeo SteinkeFranz Rieger
    • Ernst LinderLeo SteinkeFranz Rieger
    • G01N27/407G01N31/10G01N27/46
    • G01N27/4075G01N27/4077G01N31/10
    • To avoid temperature shock and mechanical damage to oxygen sensors with ion conductive solid electrolytes exposed to the exhaust gases of internal combustion engines, a catalyst, for example in the form of aluminum oxide pellets having a catalyzing surface layer, is located to surround the oxygen sensor, or just in advance of the oxygen sensor in a bypass pipe, branching off from the exhaust gas pipe of the engine to take samples of the exhaust gases so that the sensor and catalyst form an assembly, or sensing combination. The catalyzing layer may be platinum, or a platinum metal, or an alloy of platinum with aluminum, cobalt, nickel, or chromium, or may be mineral wool, or wool of glass, or asbestos fibers having their surface coated with any of the foregoing catalysts.
    • 为了避免暴露于内燃机废气的离子传导性固体电解质的氧传感器的温度冲击和机械损伤,例如具有催化表面层的氧化铝颗粒形式的催化剂位于氧传感器周围 或者恰好在旁通管中的氧传感器之前,从发动机的排气管分支出来以取样废气,使得传感器和催化剂形成组件或感测组合。 催化层可以是铂或铂金属,或铂与铝,钴,镍或铬的合金,或者可以是矿物棉,玻璃棉或石棉纤维,其表面涂有上述任一种 催化剂。