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    • 2. 发明授权
    • Internal combustion engine knock sensing system
    • 内燃机爆震传感系统
    • US4444172A
    • 1984-04-24
    • US389586
    • 1982-06-18
    • Franz SellmaierBernward BoningRudolf NagelRainer Bone
    • Franz SellmaierBernward BoningRudolf NagelRainer Bone
    • F02P5/152F02P5/153G01L23/22G01M15/00G01N27/60G01N27/68F02D9/00F02P5/14
    • G01L23/221G01L23/225
    • In order to eliminate from an ion current sensor signals which are not derived from knocking of an engine, the ion current sensor signal is evaluated by a high-pass - low-pass filter to filter out signals of frequencies extraneous to knocking frequencies, using, preferably, a digital filter including two timing stages (11, 13) connected to a counter; to inhibit response of the circuit, an interrupter switch (8) is included in the evaluation circuit, which is opened upon sensing of disturbance signals due to ignition events, for example upon occurrence of ignition, by setting a timing stage (20) which maintains the switch open, and thus inhibits evaluation of oscillatory signals from the ion current sensor (1) for the timing duration thereof. To store previously counted oscillatory signals, a further timing stage (21) can be provided, likewise connected to the ignition signal and enabled at the initiation of current flow through the primary of an ignition coil to prevent resetting of the counter for the timing duration thereof.
    • 为了从离子电流传感器中消除不是从发动机爆震中获得的信号,离子电流传感器信号由高通低通滤波器评估,以滤除与爆震频率无关的频率的信号, 优选地,包括连接到计数器的两个定时级(11,13)的数字滤波器 为了抑制电路的响应,断续器开关(8)包括在评估电路中,该断路器开关(8)包括在例如通过点火事件发生时感测到由于点火事件引起的干扰信号而被打开的情况下,通过设置保持的定时级(20) 开关断开,从而在其定时持续时间内抑制来自离子电流传感器(1)的振荡信号的评估。 为了存储先前计数的振荡信号,可以提供另外的定时级(21),同样连接到点火信号,并且在电流流过点火线圈的初级端时启用,以防止计时器在其定时持续时间内复位 。
    • 3. 发明授权
    • Internal combustion engine combustion chamber pressure sensing apparatus
    • 内燃机燃烧室压力传感装置
    • US4491110A
    • 1985-01-01
    • US530482
    • 1983-09-09
    • Rainer BoneBernward BoningRudolf NagelFranz Sellmaier
    • Rainer BoneBernward BoningRudolf NagelFranz Sellmaier
    • F02D35/00F02D45/00F02P17/12G01L23/08G01L23/22G01N27/68F02P17/00
    • F02P17/12G01L23/085G01L23/22G01L23/221G01L23/225F02P2017/125F02P2017/128
    • To obtain higher current yield from ion current measurable across the electrodes of a spark plug upon application of a biasing potential thereto, occurring immediately after an ignition event due to ionization of burning hydrocarbons within the combustion chamber of an internal combustion engine (ICE), the polarity of the circuit including a spark plug is so selected that the smaller one of the electrodes, typically the center electrode of the spark plug, has a positive measuring voltage and positive ignition voltage applied thereto so that the positively charged ions, which have a substantially greater mass than the electrons, will be caused to flow to the negatively charged substantially greater electrode, thus resulting in an enhanced ion current. A standard automotive ignition circuit can be used, with the battery connected, as customary, with negative-ground (FIG. 3) by reversely connecting the secondary of the ignition coils--with respect to customary connection--to the center electrode of the spark plug. An auxiliary biasing battery can be avoided by charging a capacitor, for example from the ignition system, to provide measuring energy.
    • 为了在施加偏置电位时在火花塞的电极上测量的离子电流获得更高的电流产量,在由于内燃机(ICE)的燃烧室内的燃烧烃的电离引起的点火事件之后立即发生, 包括火花塞的电路的极性被选择为使得较小的电极(通常是火花塞的中心电极)具有正的测量电压和施加到其上的正点火电压,使得带正电的离子具有基本上 比电子更大的质量将被引导到带负电的基本上更大的电极,从而导致增强的离子电流。 可以使用标准的汽车点火电路,通常通过将点火线圈的次级相对于常规连接反向连接到火花塞的中心电极,通常将负载接地(图3)与负极连接(图3) 。 可以通过对电容器(例如从点火系统)充电来提供辅助偏置电池来提供测量能量。
    • 4. 发明授权
    • Simplified monitoring apparatus for sensors in motor vehicles
    • 汽车传感器简化监控装置
    • US4408289A
    • 1983-10-04
    • US218343
    • 1980-12-22
    • Bernward BoningRainer BoneRudolf NagelJens-Detlef Rubrecht
    • Bernward BoningRainer BoneRudolf NagelJens-Detlef Rubrecht
    • G01D3/08G01L23/22G01R23/15H03K5/20
    • G01L23/225G01D3/08G01R23/15
    • The leading edge of each pulse of an incoming signal sequence starts a first monostable multivibrator whose period is equal to the period of the pulse sequence when the pulse sequence has the desired frequency. The input signal sequence and the output signal from the multivibrator are applied to two inputs of an exclusive OR gate. The latter furnishes an output signal corresponding to the difference in pulse width between the signal applied to the two inputs. The leading edge of the difference signal then starts a second monostable multivibrator whose pulse width corresponds to the maximum allowable frequency deviation. The output signal of the second monostable multivibrator is applied to an inverting input of an AND gate. The direct input of the AND gate receives the difference signal. The AND gate, therefore, only furnishes an output signal when the difference signal has a greater pulse width than the output signal of the second multivibrator, i.e. when the frequency deviation in the incoming signal sequence exceeds the maximum permissible frequency deviation.
    • 输入信号序列的每个脉冲的前沿启动第一单稳态多谐振荡器,其周期等于当脉冲序列具有期望频率时脉冲序列的周期。 来自多谐振荡器的输入信号序列和输出信号被施加到异或门的两个输入。 后者提供对应于施加到两个输入的信号之间的脉冲宽度差的输出信号。 然后,差分信号的前沿开始第二个单稳态多谐振荡器,其脉冲宽度对应于最大允许频率偏差。 第二单稳态多谐振荡器的输出信号被施加到与门的反相输入端。 与门的直接输入接收差分信号。 因此,与门相比,当差分信号具有比第二多谐振荡器的输出信号更大的脉冲宽度时,即当输入信号序列中的频率偏差超过最大允许频率偏差时,才提供输出信号。
    • 10. 发明授权
    • Profiling machine
    • 型材机
    • US4142393A
    • 1979-03-06
    • US839261
    • 1977-10-04
    • Rudolf Nagel
    • Rudolf Nagel
    • B21B31/14B21B13/16B21D5/08B21D17/04
    • B21D5/08B21D17/04B21B13/16
    • A machine for shaping elongate strips, especially of metal, into a variety of profiles comprises a cascade of working stations in which the strips are subjected to progressive deformation between rollers, some or all of which may be driven to advance the strips along their transport path through the several stations. Each working station has an annular or star-shaped carrier, rotatable on a support about a horizontal axis, with a plurality of peripherally spaced roller mountings adapted to hold a pair of coacting rollers, the various roller pairs on each carrier being differently shaped to produce a selected profile upon being brought into an operating position -- e.g. horizontal on a level with the axis -- by rotation of the carrier. The operatively positioned roller pair can be coupled with a drive mechanism, individual to the respective station or common to all working stations, for positive rotation thereby.
    • 用于将细长条,特别是金属成形为各种型材的机器包括级联的工作站,其中条带在辊之间经历逐渐变形,其中一些或全部可以被驱动以沿着其传送路径 通过几个车站。 每个工作站具有环形或星形状的载体,其可围绕水平轴线在支撑件上旋转,多个周向间隔开的辊子安装件适于保持一对共同作用的辊,每个载体上的各种辊对形状不同以形成 被选择的轮廓被带入操作位置 - 例如, 水平与轴的水平 - 通过载体的旋转。 可操作定位的辊对可以与驱动机构联接,驱动机构独立于各个工位,或与所有工作站共用,从而由此正向旋转。