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公开(公告)号：US4399407A
公开(公告)日：1983-08-16
申请号：US327511
申请日：1981-12-04
申请人： Michael J. Kling , Joseph A. Marino
发明人： Michael J. Kling , Joseph A. Marino
CPC分类号： F02P17/08
摘要： An engine analyzer for an internal combustion engine includes an analog-to-digital (A/D) converter which digitizes an analog electrical input waveform representing, for example, a secondary or primary voltage waveform of the ignition coil of the internal combustion engine. The digitized input waveform is stored in the form of digital data in a data mamory. Upon request by the operator of the apparatus, a microprocessor selects digital data stored, and supplies that digital data to a display, which displays a visual representation of the waveform based upon the selected digital data. The engine analyzer apparatus produces a constant width waveform regardless of engine RPM, by determining the period of the waveform to be stored, and then varying the sample rate at which the A/D converter samples the analog waveform and converts the sampled waveform to digital data. As a result, the number of data samples, and thus the width of the displayed waveform, is constant.
摘要翻译： 用于内燃机的发动机分析器包括将表示例如内燃机的点火线圈的二次或一次电压波形的模拟电输入波形数字化的模数（A / D）转换器。 数字化输入波形以数字数据的形式存储在数据模式中。 根据设备的操作者的要求，微处理器选择存储的数字数据，并将该数字数据提供给显示器，该显示器基于所选择的数字数据显示波形的视觉表示。 发动机分析仪装置通过确定要存储的波形的周期，然后改变采样率来产生恒定宽度的波形，而不管发动机转速如何，A / D转换器对模拟波形进行取样并将采样波形转换成数字数据 。 结果，数据样本的数量以及因此显示的波形的宽度是恒定的。
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32.发明授权Automotive engine analyzer for indicating a no-connection condition of engine test leads 失效汽车发动机分析仪，用于指示发动机试验引线的无连接状态
公开(公告)号：US4337515A
公开(公告)日：1982-06-29
申请号：US140585
申请日：1980-04-15
申请人： Keith A. Kreft
发明人： Keith A. Kreft
CPC分类号： F02P17/08 , G01R31/024
摘要： A voltage divider network comprising three series connected resistors serve to reference a test signal lead connectable to an internal combustion engine, with respect to ground for providing a voltage test signal on an output conductor representative of test data to be retrieved from the engine. Whenever the test signal lead is disconnected from the engine, the voltage divider network provides a non-zero voltage level on the output conductor, having a magnitude lying without a predetermined voltage range of possible test signals. A signal processing circuitry analyzes the test signals for providing a visual analysis display for the operator of the analyzer, and further is responsive to the aforesaid non-zero voltage level for blanking the portion of the visual display which is reserved for displaying analysis data.
摘要翻译： 包括三个串联的电阻器的分压器网络用于参考相对于地面的可连接到内燃机的测试信号引线，用于在表示要从发动机检索的测试数据的输出导体上提供电压测试信号。 每当测试信号引线与发动机断开连接时，分压器网络在输出导体上提供非零电压电平，其幅度没有预定的可能测试信号的电压范围。 信号处理电路分析用于为分析仪的操作者提供视觉分析显示的测试信号，并且进一步响应于上述非零电压电平以消除为显示分析数据而保留的可视显示器的部分。
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公开(公告)号：US4337432A
公开(公告)日：1982-06-29
申请号：US939959
申请日：1978-09-06
申请人： Peter Flohr , Franz Gumpinger
发明人： Peter Flohr , Franz Gumpinger
CPC分类号： G01R31/006 , F02P17/08
摘要： A testing device is disclosed for testing structural parts and functions of motor vehicles according to a test program having successive program stages. The testing device comprises a program switch for establishing circuit connections associated with the stages of the test program and for controlling a first indicator device for reproduction of the corresponding measurements. The program switch of the device further controls a second indicator device for reproduction of stored, rated measurements associated with the program stages so that a direct comparison of the rated and actual measurements can be quickly made.
摘要翻译： 公开了一种用于根据具有连续程序阶段的测试程序测试机动车辆的结构部件和功能的测试装置。 测试装置包括用于建立与测试程序的阶段相关联的电路连接并用于控制用于再现相应测量的第一指示器设备的程序开关。 设备的程序开关进一步控制第二指示器装置，用于再现与程序级相关联的存储的额定测量值，使得可以快速地进行额定和实际测量的直接比较。
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34.发明授权
公开(公告)号：US4262524A
公开(公告)日：1981-04-21
申请号：US103115
申请日：1979-12-13
申请人： Luigi Russo , Luciano Spaggiari
发明人： Luigi Russo , Luciano Spaggiari
CPC分类号： H01T13/60 , F02P17/12 , F02P17/08 , F02P2017/125 , F02P2017/128 , F02P5/152
摘要： This invention relates to an instrument for measuring spontaneous ignition in a cylinder of an internal combustion engine. The instrument comprises a logic gate unit, which receives pulses representative of gas ionizations between the plug electrodes and control signals having a repetition period corresponding to a prefixed number of active cycles of the cylinder being checked and a duration corresponding to a prefixed number of passive cycles of the same cylinder during a spontaneous ignition measurement stage. The logic gate unit delines a first counting signal each time it receives a control signal and a second counting signal each time it receives a pulse during the duration of said control signal. First and second counter means receive and count said first and second counting signals, thus providing an indication of the number of measurement stages effected and respectively, of the number of measurement stages, in which spontaneous ignition has occurred.
摘要翻译： 本发明涉及一种用于测量内燃机气缸中的自发点火的仪器。 该仪器包括逻辑门单元，其接收代表插塞电极之间的气体电离的脉冲和具有与被检查的气缸的预定数量的有效周期相对应的重复周期的控制信号，以及对应于预定数量的被动循环的持续时间 在自发点火测量阶段的相同气缸。 逻辑门单元在每次在所述控制信号的持续时间期间接收到脉冲时每次接收到控制信号和第二计数信号时分配第一计数信号。 第一和第二计数器装置接收和计数所述第一和第二计数信号，从而提供在已经发生自发点火的测量阶段的数量的数量的测量阶段的数量的指示。
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35.发明授权Single sensor engine analyzer with noise rejection and automatic triggering circuit 失效单传感器发动机分析仪，具有噪声抑制和自动触发电路
公开(公告)号：US4170131A
公开(公告)日：1979-10-09
申请号：US854768
申请日：1977-11-25
申请人： Stephen A. Gniewek , Dick M. Olsen
发明人： Stephen A. Gniewek , Dick M. Olsen
摘要： An internal combustion engine analyzer is described which permits analysis to be performed by attaching one sensor to the engine circuit. Timing at idle, engine speed, plug firing parade, etc., can be performed with only one sensor connected to the engine. For more extensive testing wherein additional leads are used, for example, at both the primary and secondary of the engine ignition coil, circuitry is provided for automatically triggering from both primary and secondary input signals or either one if only one is present. The analyzer also contains circuitry that enhances its use with both standard and electronic ignition systems. This circuitry rejects the noise generated by ignition systems in the cylinder ignition signals representative of plug firing so as not to mistrigger, or fire more than once for each plug firing.
摘要翻译： 描述了一种内燃机分析器，其允许通过将一个传感器附接到发动机电路来执行分析。 只有一个连接到发动机的传感器才能执行空转时间，发动机转速，插头巡视等。 对于更广泛的测试，其中使用附加的引线，例如，在发动机点火线圈的主要和次要的两个方面，提供用于从主输入信号和次输入信号两者自动触发的电路，或者仅存在一个输入信号的电路。 分析仪还包含增强其与标准和电子点火系统的使用的电路。 该电路拒绝点火系统产生的噪音，在汽缸点火信号中代表插头点火，以免引起火花点火，或者对于每个插头点火发射多次。
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公开(公告)号：US4145746A
公开(公告)日：1979-03-20
申请号：US756532
申请日：1977-01-03
IPC分类号： F02P17/00 , F02P17/08 , G01L25/00 , G01M15/00 , G01M15/05 , G01R31/00 , G01R31/28 , G06F15/46
CPC分类号： G01R31/2834 , F02P17/08 , G01M15/05 , G01R31/007
摘要： The disclosure describes an improved apparatus and method for displaying and printing the results of an analysis of an internal combustion engine. The results simultaneously are displayed on a cathode ray tube (CRT) face and are written into a buffer memory of a printer. An operator can move a cursor to the line of the CRT display for which special printing is desired. By pushing an ENTER switch, the operator causes a problem flag to be displayed on the screen at the desired line. The information displayed on the CRT face then is printed, together with an additional message indicating a possible vehicle problem. The line designated by the problem flag is printed in a modified ink color to indicate the source of the possible vehicle problem.
摘要翻译： 本公开描述了用于显示和打印内燃机的分析结果的改进的装置和方法。 结果同时显示在阴极射线管（CRT）面上，并被写入打印机的缓冲存储器中。 操作者可以将光标移动到需要特殊打印的CRT显示器的线上。 通过按ENTER键，操作员会在屏幕上显示所需行的问题标志。 然后打印显示在CRT面上的信息以及表示可能的车辆问题的附加消息。 由问题标志指定的行以修改的墨水颜色打印，以指示可能的车辆问题的来源。
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公开(公告)号：US4135154A
公开(公告)日：1979-01-16
申请号：US786054
申请日：1977-04-08
摘要： Multi-electric discharges in the spark plugs of an electric ignition type engine to be inspected is sustained through a fixed angle of the engine cycle from the timing of spark ignition. For this period the electric discharge wave sustained in the spark plug is displayed. From the electric discharge wave displayed one can determine what are the change in pressure and the conditions of combustion gas in the combustion chamber of the engine.
摘要翻译： 要点检的电动点火式发动机的火花塞中的多次放电由火花点火时刻经过发动机循环的固定角度被维持。 在此期间，显示在火花塞中持续的放电波。 从显示的放电波可以确定发动机的燃烧室中的压力和燃烧气体的条件是什么变化。
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公开(公告)号：US3990303A
公开(公告)日：1976-11-09
申请号：US635739
申请日：1975-11-26
申请人： George I. Reeves
发明人： George I. Reeves
CPC分类号： G01M15/044 , F02P17/08 , F02P17/12 , F02P2017/003 , F02P2017/125
摘要： An improved automotive ignition analyzer is provided for use with electronic ignition systems. A quadrature field magnetic pickup is utilized to detect signals in the secondary circuit of the ignition system. An adaptor including a voltage clamp is connected to the tachometer lead of the electronic ignition system so that a power balance test may be performed in the conventional manner without harming the electronic ignition system.
摘要翻译： 提供改进的汽车点火分析仪用于电子点火系统。 采用正交磁场拾取器来检测点火系统的次级电路中的信号。 包括电压钳的适配器连接到电子点火系统的转速计引线，使得可以以常规方式进行功率平衡测试而不损害电子点火系统。
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公开(公告)号：US3972230A
公开(公告)日：1976-08-03
申请号：US588385
申请日：1975-06-19
摘要： An apparatus for, and method of, detecting the uneven operation of the individual cylinders in an internal combustion engine, and for diagnosing the cause thereof. The engine is operated at any convenient idle speed. Power cycle time periods between successive ignition times are measured, the deceleration rates between successive time periods are then computed, and finally the average deceleration rates for the respective cylinders are computed. Misfires occurring randomly in cylinders are detected when individual deceleration rates exceed the average deceleration rate for the corresponding cylinder by a predetermined limit amount. Repeated malfunctioning in an individual cylinder is detected when the average deceleration rate for the weakest cylinder exceeds that for the strongest cylinder by a predetermined limit amount.
摘要翻译： 用于检测内燃机中的各个气缸的不均匀运行并用于诊断其原因的装置和方法。 发动机以任何方便的怠速运转。 测量连续点火时间之间的动力循环时间，然后计算连续时间段之间的减速率，最后计算各气缸的平均减速率。 当单个减速率超过相应气缸的平均减速度预定极限量时，检测气缸中随机发生的失火。 当最弱的气缸的平均减速度超过最强气缸的平均减速度预定的极限量时，检测到单个气缸中的重复故障。
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40.发明授权
公开(公告)号：US3956689A
公开(公告)日：1976-05-11
申请号：US488785
申请日：1974-07-15
申请人： Kunihiko Murakami , Toshiaki Ogura
发明人： Kunihiko Murakami , Toshiaki Ogura
摘要： A method of and an apparatus for inspecting conditions of parts of electrical ignition type engines are provided wherein standard electrical waveforms representative of normal and abnormal conditions of parts of an electrical ignition type engine to be inspected are pre-recorded and an actual electrical waveform indicative of the condition of a part of the engine under operation and the corresponding one of the pre-recorded standard waveforms are displayed to permit visual comparison of them.
摘要翻译： 提供了一种用于检查电点火式发动机部件的状况的方法和装置，其中预先记录了表示要检查的点火式发动机的部件的正常和异常状况的标准电波形，以及表示 显示正在运行的发动机的一部分的状态和相应的一个预先记录的标准波形以允许它们的视觉比较。
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