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    Engine analyzer with cylinder triggering of oscilloscope display having fixed-time sweep
    2.
    发明授权
    Engine analyzer with cylinder triggering of oscilloscope display having fixed-time sweep 失效
    发动机分析仪，气缸触发示波器显示屏具有固定时间扫描

    公开(公告)号：US5941926A

    公开(公告)日：1999-08-24

    申请号：US629813

    申请日：1996-04-10

    申请人： Yosuf M. Taraki ,  Dale A. Trsar ,  Richard H. Shepherd ,  Tyrone J. Moritz ,  Mark H. Petersen

    发明人： Yosuf M. Taraki ,  Dale A. Trsar ,  Richard H. Shepherd ,  Tyrone J. Moritz ,  Mark H. Petersen

    IPC分类号： F02P17/08 ,  G09G5/36

    CPC分类号： F02P17/08

    摘要： An engine analyzer has an oscilloscope screen display operable with a fixed-time sweep. The analyzer includes a data acquisition system for digitizing analog input waveforms and a memory for storing the digitized waveform data, the analyzer including sensors for detecting each cylinder firing and the firing of the no. 1 cylinder for identification of the cylinders. A processor includes trigger means for controlling the triggering of the oscilloscope display at a trigger point which corresponds to the firing of a trigger cylinder which is selectable by the user, so that the displayed waveform data begins with the stored data for the selected trigger cylinder. The user can also selectively vary the location of the trigger point on the screen display.

    摘要翻译： 发动机分析仪具有可以固定时间扫描操作的示波器屏幕显示。 分析仪包括用于数字化模拟输入波形的数据采集系统和用于存储数字化波形数据的存储器，该分析器包括用于检测每个气缸点火和不燃烧的燃烧的传感器。 1缸用于识别气瓶。 处理器包括用于控制触发点的触发装置，该触发装置触发点对应于由用户可选择的触发器气缸的触发，使得所显示的波形数据以存储的所选触发气缸的数据开始。 用户还可以选择性地改变触摸点在屏幕显示上的位置。

    Long term firing and spark display
    3.
    发明授权
    Long term firing and spark display 失效
    长期点火和火花显示

    公开(公告)号：US5680311A

    公开(公告)日：1997-10-21

    申请号：US566375

    申请日：1995-12-29

    申请人： Dale A. Trsar ,  Yosuf M. Taraki

    发明人： Dale A. Trsar ,  Yosuf M. Taraki

    IPC分类号： F02P17/08 ,  G06G7/70 ,  F02P17/00 ,  G09G5/36

    CPC分类号： F02P17/08

    摘要： An engine analyzer for plotting engine cylinder firing or spark voltage information, corresponding to distinct points of a cylinder firing waveform, in histograph form to assist in identifying a cylinder-misfire condition. In an illustrative embodiment, two traces are provided. The lower trace depicts a histograph, representative of the firing or spark voltage and engine speed of each cylinder over successive engine cycles. The histograph consists of successive pairs of adjacent, vertical histo-bars, each pair representing voltage and engine speed for a single cylinder. The first histo-bar in each pair represents the spark or firing voltage for a given cylinder and the second histo-bar represents the instantaneous engine speed measured over the duration of the given cylinder. The vertical histo-bar pairs are plotted sequentially from left to right, representing successive cylinder firings. The vertical histo-bars may be of one or more colors so that the associated plot for a given cylinder of interest is easily identified. The histographs are available in both live and freeze mode. An upper trace displays primary or secondary waveforms for one or more selected cylinders.

    摘要翻译： 一种发动机分析仪，用于以组织图形式绘制对应于气缸点火波形的不同点的发动机气缸点火或火花塞电压信息，以帮助识别气缸失火状况。 在说明性实施例中，提供了两条迹线。 下图描绘了一个组织图，代表连续发动机循环中每个气缸的点火或火花电压和发动机转速。 组图由连续的相邻垂直组织棒组成，每对代表单个气缸的电压和发动机转速。 每对中的第一个组织棒表示给定气缸的火花或点火电压，第二组曲线表示在给定气缸的持续时间内测量的瞬时发动机转速。 垂直组织条对从左到右依次绘制，表示连续的气缸发射。 垂直组织杆可以是一种或多种颜色，使得容易识别给定感兴趣圆筒的相关图。 组织图可用于实时和冻结模式。 上部曲线显示一个或多个选定圆柱体的主波形或次波形。

    Distributorless ignition test device including input port connected directly to the engine block establishing electrical contact therewith
    4.
    发明授权
    Distributorless ignition test device including input port connected directly to the engine block establishing electrical contact therewith 失效
    无分配点火测试装置，包括直接连接到与其建立电接触的发动机缸体的输入端口

    公开(公告)号：US5614828A

    公开(公告)日：1997-03-25

    申请号：US233510

    申请日：1994-04-26

    申请人： Benny L. Sims

    发明人： Benny L. Sims

    IPC分类号： F02P17/08 ,  F02P17/12 ,  G01R31/00

    CPC分类号： F02P17/12 ,  F02P17/08 ,  G01R31/006

    摘要： An adapter that enables the testing of secondary ignition signals of vehicle engines equipped with wireless secondary ignition systems is disclosed. The adapter detects secondary ignition voltage pulses generated by such an ignition system. It includes an input port coupled to an engine ground for receiving an electrical signal comprising a secondary ignition signal; an output port; and a filter coupled between said input port and said output port, said filter passing an electrical representation of said secondary ignition signal to said output port. In a preferred embodiment, the adapter includes a preamplifier coupled between the input port and the filter to amplify the electrical signal and an amplifier coupled between the filter and the output port to amplify the secondary ignition signal. The output port preferably is coupled to an oscilloscope allowing a technician to visually inspect the secondary ignition system waveform.

    摘要翻译： 公开了一种能够测试配备有无线二次点火系统的车辆发动机二次点火信号的适配器。 适配器检测由这种点火系统产生的二次点火电压脉冲。 它包括耦合到发动机地面的输入端口，用于接收包括二次点火信号的电信号; 输出端口 以及耦合在所述输入端口和所述输出端口之间的滤波器，所述滤波器将所述二次点火信号的电表示通过所述输出端口。 在优选实施例中，适配器包括耦合在输入端口和滤波器之间以放大电信号的前置放大器和耦合在滤波器和输出端口之间以放大次要点火信号的放大器。 输出端口优选耦合到示波器，允许技术人员目视检查二次点火系统波形。

    Method of deriving a primary clock from secondary signals in a distributorless ignition system
    6.
    发明授权
    Method of deriving a primary clock from secondary signals in a distributorless ignition system 失效
    在无分配器点火系统中从次级信号导出主时钟的方法

    公开(公告)号：US5175501A

    公开(公告)日：1992-12-29

    申请号：US651077

    申请日：1991-02-06

    申请人： Thomas D. Loewe ,  David M. Oles

    发明人： Thomas D. Loewe ,  David M. Oles

    IPC分类号： F02P7/077 ,  F02P15/08 ,  F02P17/00 ,  F02P17/02 ,  F02P17/04 ,  F02P17/08

    CPC分类号： F02P7/077 ,  F02P15/08 ,  F02P17/00 ,  F02P17/02 ,  F02P17/04 ,  F02P17/08

    摘要： An interface for coupling an engine analyzer to an engine having a distributorless ignition system includes a pair of pickup clamps for coupling signals from respective groups of spark plug wires. A logic cell array is supplied with spark plug secondary voltage polarity and pattern information, corresponding to an engine under test from a ROM. The technician is instructed as to which wires to place in each clamp. A semiconductor input switch is controlled by the logic cell array to sort the secondary voltages from the pickup clamps according to polarity. The real and the wasted sparks are then determined based upon the magnitude of the signals from the input switch. The apparatus permits a "rapid test" (of secondary voltages only) by developing a pseudo #1 primary clock from the pickup clamp signals. A CPU in the interface is controllable by an external computer or by an operator keypad. A vehicle "personality" module interfaces the logic cell array with the voltage levels on a connector of a corresponding vehicle.

    摘要翻译： 用于将发动机分析器耦合到具有无分配器点火系统的发动机的接口包括一对用于耦合来自各组火花塞线的信号的拾取夹。 逻辑单元阵列具有对应于来自ROM的被测发动机的火花塞二次电压极性和模式信息。 指示技术人员将哪些电线放置在每个夹具中。 半导体输入开关由逻辑单元阵列控制，以根据极性对来自拾取夹的次级电压进行分类。 然后基于来自输入开关的信号的大小确定真实和浪费的火花。 该装置通过从拾取钳位信号开发伪＃1主时钟来允许“快速测试”（仅次级电压）。 接口中的CPU可由外部计算机或操作员键盘控制。 车辆“个性”模块将逻辑单元阵列与相应车辆的连接器上的电压电平相接触。

    Engine generated waveform analyzer
    7.
    发明授权
    Engine generated waveform analyzer 失效
    发动机产生波形分析仪

    公开(公告)号：US4394742A

    公开(公告)日：1983-07-19

    申请号：US202516

    申请日：1980-10-31

    申请人： Marvin R. Crummer ,  Kenneth S. Gold ,  David G. Johnson ,  Tom R. Vandermeyden ,  Edmond R. Pelta

    发明人： Marvin R. Crummer ,  Kenneth S. Gold ,  David G. Johnson ,  Tom R. Vandermeyden ,  Edmond R. Pelta

    IPC分类号： F02P17/00 ,  F02P17/08 ,  G01M15/04 ,  G01M15/00

    CPC分类号： F02P17/08

    摘要： An internal combustion engine analyzer provides both data acquisition and data processing and includes an analog waveform analysis subsystem together with a general purpose background system wherein appropriate power distribution is provided for the system as a whole and peripheral equipment such as a printer, keyboard and an analog/digital CRT is also provided. The input signals to be analyzed are waveforms generally associated with internal combustion engines and peripheral equipment. Exemplary waveforms are the primary and secondary ignition waveforms. The waveforms are attenuated to reasonable levels and multiplexed to analog circuitry which serves to measure waveform magnitude at one or more sampling points along the length of the wave and to also measure the manner in which the characteristics of the waveform change. The analog measurements are digitized and coupled to a processor which in turn controls the operation of the analog circuitry. The digitized measurements together with previously entered engine identification data are analyzed by the processor to thereby control subsequent data taking and to generate appropriate maintenance and repair instructions which are communicated visually to an operator in the disclosed embodiment.

    摘要翻译： 内燃机分析仪提供数据采集和数据处理，并且包括模拟波形分析子系统以及通用后台系统，其中为整个系统提供适当的配电并且诸如打印机，键盘和模拟的外围设备 /数字CRT也被提供。 要分析的输入信号是通常与内燃机和外围设备相关联的波形。 示例性波形是主要和次要点火波形。 波形衰减到合理的水平，并复用到模拟电路，用于测量沿着波长的一个或多个采样点的波形幅度，并且还测量波形特性变化的方式。 模拟测量数字化并耦合到处理器，处理器又控制模拟电路的操作。 数字化测量与先前输入的引擎识别数据一起由处理器分析，从而控制后续的数据采集并产生适当的维护和修理指令，这些指令在所公开的实施例中被视觉地传送给操作者。

    Engine ignition and power analyzer
    8.
    再颁专利
    Engine ignition and power analyzer 失效
    发动机点火和功率分析仪

    公开(公告)号：USRE29984E

    公开(公告)日：1979-05-08

    申请号：US765614

    申请日：1977-02-04

    申请人： Peter A. Howes

    发明人： Peter A. Howes

    IPC分类号： F02P17/00 ,  F02P17/02 ,  F02P17/08 ,  G01M15/04

    CPC分类号： F02P17/02 ,  F02P17/00 ,  F02P17/08 ,  G01M15/044

    摘要： An internal combustion engine performance analyzing system is described for displaying a number of operating characteristics, such as engine ignition and cylinder power, which exists under selectively controlled operating conditions. Simple connections to the engine provide the necessary signals to the solid-state electronic analyzer. Various pattern display modes may be selected. An anticipatory cylinder fire signal, which is related to crankshaft rotational degrees, permits a given cylinder to be shorted for the desired interval, regardless of the engine speed. This anticipatory cylinder fire signal is obtained from a servoed ramp waveform generator. Individual cylinder waveform patterns are synchronously and simultaneously displayed on an oscilloscope.

    Apparatus using current signals to analyze the ignition of an engine
    10.
    发明授权
    Apparatus using current signals to analyze the ignition of an engine 失效
    使用当前信号分析发动机点火的装置

    公开(公告)号：US3603872A

    公开(公告)日：1971-09-07

    申请号：US3603872D

    申请日：1970-04-09

    申请人： AUTOSCAN INC

    发明人： PELTA EDMOND R

    IPC分类号： F02P17/02 ,  F02P17/04 ,  F02P17/08 ,  G01M15/00

    CPC分类号： F02P17/08 ,  F02P17/02 ,  F02P17/04 ,  F02P2017/003

    摘要： This invention relates to a system for testing the ignition system of an automobile engine. The system develops a first current pulse when the voltage across the distributor gap for each cylinder in the engine breaks down. The system develops a second current pulse when the gap in the spark plug for each cylinder in the engine breaks down. Means are provided for determining whether each individual spark plug is operating properly. Means are also provided for determining the characteristics of the spark plug signal.