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    • 3. 发明授权
    • Method and apparatus for recognition of knocking in an internal
combustion engine
    • 识别内燃机爆震的方法和装置
    • US4565087A
    • 1986-01-21
    • US613152
    • 1984-05-23
    • Eckart DamsonMartin KlenkWinfried MoserHeinz Moller
    • Eckart DamsonMartin KlenkWinfried MoserHeinz Moller
    • G01H1/00G01H17/00G01L23/22G01M15/00
    • G01L23/225
    • Engine knock sensor signals are amplified, band-pass filtered and rectified and then a sequence of integrated signal peak values are compared with reference signals relating to a typical engine knock signal. If the deviation of the integration values or peak values or their sum over a measurement period differs by less than a predetermined amount from the corresponding reference values, a knock indication is produced. The initial integration or peak value may be given less weight than those that follow. The knock sensor may be an engine block sound sensor, or a combustion chamber light, pressure or iron current sensor. Additional criteria, such as the interval between null transitions or signal maxima or the number of them in a measuring period may be used to inhibit a knock indication in case the main processing should occasionally provide an anomalous knock signal, but this precaution is not sufficiently needed to warrant its inclusion in simplified systems.
    • 发动机爆震传感器信号被放大,带通滤波和整流,然后将一系列积分信号峰值与与典型的发动机爆震信号相关的参考信号进行比较。 如果积分值或峰值的偏差或其在测量周期中的总和与相应的参考值相差小于预定量,则产生爆震指示。 初始积分或峰值的重量可能比随后的更小。 爆震传感器可以是发动机挡块声音传感器,或燃烧室的光,压力或铁流传感器。 在主处理应偶尔提供异常爆震信号的情况下,附加标准,例如空转换或信号最大值之间的间隔或它们在测量周期中的数量可以用于抑制爆震指示,但是这种预防措施不足够 保证将其纳入简化制度。
    • 4. 发明授权
    • Method of and device for regulating fuel-and-air mixture supplied to an
internal combustion engine
    • 用于调节供应到内燃机的燃料和空气混合物的方法和装置
    • US4601276A
    • 1986-07-22
    • US543999
    • 1983-10-20
    • Eckart DamsonHorst FrankeHelmut MaurerKlaus MullerFranz Rieger
    • Eckart DamsonHorst FrankeHelmut MaurerKlaus MullerFranz Rieger
    • F02D41/14F02M51/00F02M7/12
    • F02D41/1439F02D41/1491
    • Disclosed is a method and device for regulating the preparation of fuel-and-air mixture in a carburetor, fuel injection system and the like of an internal combustion engine. The device includes an oxygen probe directly communicating with the combustion chamber of the engine. Periodically fluctuating output signal of the probe is applied to an averaging circuit which produces an average output signal over a predetermined number of engine cycles. The shape and length of the averaged output signal is indicative whether the mixture ratio is lean or rich. The averaging can be made by means of a lowpass filter, an integrator or at least one counter counting in response to the angular position of the crankshaft or the predetermined time intervals. When the probe output voltage has the form of a hump or bulge, its length or area is used for determining the actual .lambda. value in the rich range of ratios of the mixture.
    • 公开了一种用于调节内燃机的化油器,燃料喷射系统等中的燃料和空气混合物的制备的方法和装置。 该装置包括直接与发动机的燃烧室连通的氧探头。 探测器的周期性波动的输出信号被施加到在预定数量的发动机循环上产生平均输出信号的平均电路。 平均输出信号的形状和长度指示混合比是贫还是富。 可以通过低通滤波器,积分器或响应于曲轴的角位置或预定时间间隔对至少一个计数器进行平均。 当探头输出电压具有凸起或凸起的形式时,其长度或面积用于确定混合比的丰富范围内的实际λ值。
    • 5. 发明授权
    • Combination sparkplug and combustion process sensor
    • 组合火花塞和燃烧过程传感器
    • US4514656A
    • 1985-04-30
    • US428003
    • 1982-09-29
    • Eckart DamsonReinhard LatschErnst LinderFranz RiegerRainer Schussler
    • Eckart DamsonReinhard LatschErnst LinderFranz RiegerRainer Schussler
    • G01L23/22H01T1/12H01T13/16H01T13/48
    • G01L23/22
    • To permit adjustment of the combination sparkplug-optical sensor for heat transfer upon operation of the sensor-sparkplug combination as a sparkplug, in accordance with known sparkplug technology, the insulator of the sparkplug is formed with a central opening in which a material is included which is electrically conductive and providing for controlled heat transfer, for example a packing or a mixture of aluminum oxide with a conductive powder, such as graphite, aluminum, or copper; or, alternatively, sheet metal elements may be located therein providing controlled radial engagement around a central glass rod forming the optical sensor and the inner wall of the opening and the insulator (FIG. 2); or, alternatively, axially resilient elements, such as a bellows-like corrugated metal element (FIG. 3) or a stack of spring disks (FIG. 4) may be positioned in the opening, axially biased by screwing the connecting terminal (10) into a tapped opening of the insulator. Heat transfer or transmission control is effected by introducing between metallic components of the combination and the glass rod a heat conductive mass (2) which fills the space between the glass rod and the metallic components over a predetermined length, in accordance with desired heat transfer characteristics.
    • 为了允许在根据已知的火花塞技术操作传感器火花塞组合的情况下调整用于热传递的组合火花塞 - 光学传感器,根据已知的火花塞技术,火花塞的绝缘体形成有中心开口,其中包括材料, 导电并提供受控的热传递,例如填料或氧化铝与导电粉末如石墨,铝或铜的混合物; 或者可选地,钣金元件可以位于其中,提供围绕形成光学传感器的中心玻璃棒和开口和绝缘体的内壁(图2)的可控径向接合; 或者可选地,轴向弹性元件,例如波纹管状波纹状金属元件(图3)或弹簧盘堆叠(图4)可以定位在开口中,通过旋拧连接端子(10)轴向偏置, 进入绝缘子的开口。 通过在组合的金属部件和玻璃棒之间引入根据期望的热传递特性而将玻璃棒和金属部件之间的空间填充预定长度的导热块(2)来进行热传递或变速器控制 。