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1.发明授权Device for detecting misfire of an internal combustion engine by comparing voltage waveforms associated with ignition system 失效通过比较与点火系统相关的电压波形来检测内燃机失火的装置
公开(公告)号：US5294888A
公开(公告)日：1994-03-15
申请号：US865909
申请日：1992-04-09
CPC分类号： F02P17/12 , F02P2017/006 , F02P2017/123 , F02P2017/125
摘要： In equipment for recognizing misfire in an internal combustion engine, a first voltage waveform is obtained at an intermediate point (A) between a high impedance element (41) and a low impedance element (42). The first voltage waveform has a capacitive discharge component and an inductive discharge component during the spark and a voltage component after completion of the spark. The first voltage waveform is inversely amplified by a comparator (51) and divided by a shunt circuit (52) to obtain a second voltage waveform. In an integration circuit (53), a condenser (C1) is electrically charged by an output voltage from the comparator (51) to obtain a third voltage waveform. The second voltage waveform and the third voltage are compared by a comparator (54) to generate an output pulse. On the basis of the behavior of relatively short and relatively wide output pulse (d2, D2) and additional short output pulses (d3, d4) from the comparator (54), it is determined whether or not a misfire has occurred in the internal combustion engine.
摘要翻译： 在用于识别内燃机失火的设备中，在高阻抗元件（41）和低阻抗元件（42）之间的中间点（A）获得第一电压波形。 第一电压波形在火花期间具有电容放电分量和感应放电分量，并且在火花完成之后具有电压分量。 第一电压波形由比较器51反相放大，并由分流电路（52）分压以获得第二电压波形。 在积分电路（53）中，通过来自比较器（51）的输出电压对电容器（C1）进行充电，得到第三电压波形。 通过比较器（54）比较第二电压波形和第三电压以产生输出脉冲。 基于来自比较器（54）的相对短且相对宽的输出脉冲（d2，D2）和附加短输出脉冲（d3，d4）的行为，确定在内燃中是否发生失火 发动机。
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公开(公告)号：US5554930A
公开(公告)日：1996-09-10
申请号：US234421
申请日：1994-04-28
IPC分类号： F02P11/06 , F02P17/00 , F02P17/12 , G01R1/06 , G01R19/165
CPC分类号： F02P17/12 , F02P11/06 , F02P2017/003 , F02P2017/006 , F02P2017/123 , F02P2017/125
摘要： In a spark plug voltage probe device which detects a voltage applied to a spark plug installed in an internal combustion engine so as to analyze a burning condition in the internal combustion engine on the basis of the voltage applied to the spark plug, a rubber clamper (9) is secured to the internal combustion engine, and having a groove (92) in which a spark cable (60) is located so as to form a static capacity between the rubber clamper (9) and the spark plug cable (60). An electrical conductor (93) is embedded in the rubber clamper (9) along the groove (92) while the electrical conductor (93) is connected to a microcomputer by way of an output cable (64) so as to analyze a spark plug voltage waveform. A condenser (42) is connected to a common point (A) between the electrical conductor (93) and the microcomputer so as to reduce the spark plug voltage according to a capacity of the condenser (42).
摘要翻译： 在火花塞电压探针装置中，检测施加到内燃机中安装的火花塞的电压，以便根据施加到火花塞的电压来分析内燃机的燃烧状态，橡胶夹持器 9）被固定到内燃机上，并且具有其中放置有火花塞电缆（60）的凹槽（92），以在橡胶夹持器（9）和火花塞电缆（60）之间形成静电容量。 电导体（93）沿着凹槽（92）嵌入橡胶夹持器（9）中，而电导体（93）通过输出电缆（64）连接到微型计算机，以便分析火花塞电压 波形 冷凝器（42）连接到电导体（93）和微型计算机之间的公共点（A），以便根据冷凝器（42）的容量降低火花塞电压。
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公开(公告)号：US5317267A
公开(公告)日：1994-05-31
申请号：US866812
申请日：1992-04-09
CPC分类号： F02P11/06 , F02P17/12 , F02P2017/006 , F02P2017/123 , F02P2017/125
摘要： A spark plug voltage probe detects a voltage applied to a spark plug installed in an internal combustion engine so as to analyze a burning condition in the internal combustion engine on the basis of the voltage applied to the spark plug. A rubber collar (74) is provided to surround a rubber cap (7) which is secured to a high tension terminal (71a) of the spark plug (71) so as form a static capacity between the high tension terminal (71a) and the rubber collar (74). An electrical conductor (73) is provided between the rubber cap (7) and the rubber collar (74) and is electrically connected to a microcomputer by way of an output cable (64).
摘要翻译： 火花塞电压探头检测施加到内燃机中安装的火花塞的电压，以便根据施加到火花塞的电压来分析内燃机的燃烧状况。 橡胶圈（74）设置成围绕橡胶帽（7），该橡胶帽固定到火花塞（71）的高压端子（71a）上，以便在高压端子（71a）和 橡胶领（74）。 电气导体（73）设置在橡胶盖（7）和橡胶环（74）之间，并通过输出电缆（64）电连接到微型计算机。
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公开(公告)号：US5477148A
公开(公告)日：1995-12-19
申请号：US234320
申请日：1994-04-28
IPC分类号： F02P11/06 , F02P17/00 , F02P17/12 , G01R1/06 , G01R19/165
CPC分类号： F02P17/12 , F02P11/06 , F02P2017/003 , F02P2017/006 , F02P2017/123 , F02P2017/125
摘要： In a spark plug voltage probe device which detects voltage applied to a spark plug installed in an internal combustion engine so as to analyze burning conditions in the internal combustion engine on the basis of the voltage applied to the spark plug, a rubber collar (74) is provided to surround rubber cap (7) secured to high tension terminal (71a) of spark plug (71) so as to form a static capacity between high tension terminal (71a) and rubber collar (74). Electrical conductor (73) is provided between rubber cap (7) and rubber collar (74), and conductor (73) is electrically connected to a microcomputer by output cable (64) so as to analyze the spark plug voltage waveform. Condenser (42) is connected at one end to the ground and the other end to a common point (A) between electrical conductor (73) and the microcomputer so as to reduce the spark plug voltage according to the capacity of condenser (42).
摘要翻译： 在火花塞电压探针装置中，检测施加到内燃机中安装的火花塞的电压，以便基于施加到火花塞的电压分析内燃机中的燃烧状况，橡胶套环（74） 被设置为围绕固定到火花塞（71）的高压端子（71a）的橡胶帽（7），以在高压端子（71a）和橡胶环（74）之间形成静态容量。 电气导体（73）设置在橡胶盖（7）和橡胶环（74）之间，导体（73）通过输出电缆（64）电连接到微型计算机，以分析火花塞电压波形。 冷凝器（42）的一端连接到地面，另一端连接到电导体（73）和微型计算机之间的公共点（A），以便根据冷凝器（42）的容量降低火花塞电压。
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公开(公告)号：US5269282A
公开(公告)日：1993-12-14
申请号：US865908
申请日：1992-04-09
申请人： Shigeru Miyata , Hideji Yoshida , Yoshihiro Matsubara , Yasuo Ito
发明人： Shigeru Miyata , Hideji Yoshida , Yoshihiro Matsubara , Yasuo Ito
CPC分类号： F02P17/12 , F02P2017/123 , F02P2017/125
摘要： In a misfire detector for use in an internal combustion engine having an ignition coil, an electrical interrupter circuit interrupts a primary current flowing through a primary circuit of the ignition coil by which a spark plug is energized. A voltage divider circuit detects a divided voltage of a spark plug voltage applied across the spark plug. A spark plug voltage detector circuit is provided to detect an attenuation characteristic of a spark plug voltage waveform presented subsequent to a time period predetermined either during a spark action of the spark plug or after an end of the spark action of the spark plug. A peak hold circuit is provided to hold a peak voltage of the spark plug voltage waveform presented after the end of the spark action of the spark plug, so that a distinction circuit determines a misfire on the basis of a peak voltage level or the attenuation characteristics of the spark plug voltage waveform.
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公开(公告)号：US4912319A
公开(公告)日：1990-03-27
申请号：US160632
申请日：1988-02-26
CPC分类号： G01N21/43 , G01J2001/1636 , G01J2001/444 , G01N21/85 , G01N2201/0621 , Y10S250/903
摘要： A detector device for mixing ratio for gasoline and alcohol include an optically permeable column, one end of which is coated with a light-reflective layer. The circumferential surface of the column is at least partly immersed in mixing liquid of gasoline and alcohol.The light beams enter the column to be incident on said circumferential surface of the column and reflect from the circumferential surface to be incident on said light reflective-layer to reflect therefrom. The reflected light beams impinge on a photo diode which outputs in accordance with the intensity of the light beams impinged.The diametrical and lengthwise dimension of the column being determined such as to provide incidence angles of the reflected light beams changing from a minimum angle corresponding to the critical angle when the mixing liquid ratio is at the lower limit of the predetermined range to a maximum angle corresponding to the critical angle when the mixing liquid ratio is at the upper limit of the predetermined range.
摘要翻译： 用于汽油和醇的混合比的检测器装置包括光学透析柱，其一端涂覆有光反射层。 柱的圆周表面至少部分浸没在汽油和酒精的混合液体中。 光束进入柱入射到柱的所述圆周表面上并从圆周表面反射入射到所述光反射层上以从其反射。 反射光束照射到根据照射的光束的强度输出的光电二极管。 确定柱的直径和纵向尺寸，以便当混合液比在预定范围的下限至对应的最大角度时，提供从与临界角对应的最小角度改变的反射光束的入射角 当混合液体比例在预定范围的上限时达到临界角。
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公开(公告)号：US4770129A
公开(公告)日：1988-09-13
申请号：US45072
申请日：1987-05-01
IPC分类号： G01N21/43 , F02B1/02 , F02B77/08 , F02D41/14 , G01J1/16 , G01J1/44 , G01N21/85 , G01N33/28 , F02B75/00
CPC分类号： F02B1/02 , F02B77/08 , F02D41/1451 , G01N21/85 , G01N33/2852 , F02F2007/0092 , G01J2001/1647 , G01J2001/444 , G01N2201/0621
摘要： A sensor for mixing ratio of gasoline and alcohol comprising: a transparent column, both ends of which are supported by grips; the surface of the column is positioned in direct contact with a mixing liquid of gasoline and alcohol; a light emitting diode disposed so that light beams therefrom are incident on one end of said transparent column and the mixing liquid, said beams incident on said boundary at less than a critical angle being totally refracted, while said beams incident on said boundary at more than the critical angle being totally reflected to pass within said column so as to go out from the other end thereof, said critical angle depending upon a mixing degree of said liquid; a photo diode placed to receive the light beams reflected from the boundary so as to generate an output in accordance with the quantity of the light beams received; and the column being substantially determined its lengthwise and diametrical dimension such that the light beams incident upon the boundary at a critical angle, are allowed to totally reflect only once to enter the photo diode with the mixing ratio of alcohol and gasoline ranging from 100:0 to 0:100.
摘要翻译： 一种用于汽油和醇的混合比的传感器，包括：透明柱，其两端由夹具支撑; 柱的表面与汽油和酒精的混合液体直接接触; 发光二极管被设置成使得其光束入射在所述透明柱的一端和混合液体上，所述入射在所述边界上的所述光束以小于临界角度被全部折射，同时所述光束在所述边界上入射超过 所述临界角被全反射以在所述柱内通过以从其另一端出去，所述临界角取决于所述液体的混合程度; 放置以接收从边界反射的光束的光电二极管，以便根据所接收的光束的量产生输出; 并且柱基本上确定其长度和直径尺寸，使得以临界角入射到边界的光束仅允许完全反射一次以使酒精和汽油的混合比为100：0 至0：100。
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8.发明授权Sparkplug voltage probe for use with an internal combustion engine by clamping sparkplug cables with an insulation base 失效用于内燃机的火花塞电压探头，通过夹住具有绝缘基座的火花塞电缆
公开(公告)号：US5543716A
公开(公告)日：1996-08-06
申请号：US262654
申请日：1994-06-20
CPC分类号： G01R15/16 , F02P17/12 , G01R31/007 , F02P2017/006 , F02P2017/123
摘要： In a sparkplug voltage probe device in use for an internal combustion engine, an insulator base is attached to the internal combustion engine, an upper surface of the insulator base having a plurality of grooves in which the sparkplug cables are placed. An insulator sheet is embedded in the insulator base. An electrode layer is provided on an upper surface of the insulator base along the grooves to form a static capacity between the electrode layer and the sparkplug cables when the voltage is applied across the spark plugs. On a lower surface of the insulator sheet an electrical shield layer is provided connected to the internal combustion engine by a ground wire. A lead wire electrically connects the electrode plate to a microcomputer so as to analyze the engine burning condition based on the static capacity between the electrode plate and the sparkplug cables.
摘要翻译： 在用于内燃机的火花塞电压探针装置中，绝缘体基座安装在内燃机上，绝缘体基座的上表面具有放置火花塞电缆的多个凹槽。 绝缘体片嵌入绝缘体基座中。 当绝缘体基底的上表面沿沟槽设置时，当跨越火花塞施加电压时，在电极层和火花塞电缆之间形成静电容。 在绝缘片的下表面上，通过接地线连接到内燃机的电屏蔽层。 引线将电极板电连接到微计算机，以基于电极板和火花塞电缆之间的静态容量分析发动机燃烧状况。
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9.发明授权Snap-in type sparkplug voltage probe device for use in internal combustion engine 失效用于内燃机的卡入式火花塞电压探头装置
公开(公告)号：US5453694A
公开(公告)日：1995-09-26
申请号：US262655
申请日：1994-06-20
CPC分类号： G01R15/16 , F02P17/12 , G01R31/007 , F02P2017/006 , F02P2017/123
摘要： In a snap-in type spark plug voltage probe device, the insulator base has an upper half and a lower half, both ends of which are integrally connected by means of a flexible portion. The upper half and the lower half have a plurality of grooves in which spark plug cables are placed. The upper half and the lower half are joined together by the flexible portion when in a closed position. The upper half has an opening to receive a protrusion provided on the lower half of the insulator base to maintain the upper half of the insulator base along the grooves, providing static capacity between the electrode layer and the spark plug cables when voltage is applied across the spark plugs. A lead wire electrically connects the electrode layer to a microcomputer so as to analyze the burning condition based on the static capacity between the electrode layer and the spark plug cables. An electrical shield layer is embedded in the insulator base in the proximity of the electrode layer and connected to the internal combustion engine by way of a ground wire located at a side of the electrode layer remote from the grooves so as to electrically shield the electrical layer. An insulator sheet is embedded in the insulator base and located between the electrode layer and the electrical shield layer.
摘要翻译： 在卡扣式火花塞电压探针装置中，绝缘体基座具有上半部和下半部，其两端通过柔性部分一体连接。 上半部和下半部具有放置火花塞电缆的多个槽。 当处于关闭位置时，上半部和下半部通过柔性部分连接在一起。 上半部具有开口以接收设置在绝缘体基座的下半部上的突出部，以沿着凹槽保持绝缘体基座的上半部分，当电压施加在电极层上时，在电极层和火花塞电缆之间提供静态电容 火花塞。 引线将电极层电连接到微型计算机，以基于电极层和火花塞电缆之间的静态容量来分析燃烧状况。 电绝缘层嵌入电极层附近的绝缘体基底中，并通过远离槽的位于电极层一侧的接地线与内燃机连接，以电屏蔽电层 。 绝缘片被嵌入绝缘体基底中，位于电极层和电屏蔽层之间。
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公开(公告)号：US5365910A
公开(公告)日：1994-11-22
申请号：US865910
申请日：1992-04-09
申请人： Shigeru Miyata , Hideji Yoshida , Yoshihiro Matsubara , Yasuo Ito
发明人： Shigeru Miyata , Hideji Yoshida , Yoshihiro Matsubara , Yasuo Ito
CPC分类号： F02P11/06 , F02P17/12 , F02P2017/006 , F02P2017/123 , F02P2017/125
摘要： A misfire detector for use in an internal combustion engine has an ignition coil including a primary coil and a secondary coil. An interrupter circuit is provided for on-off actuation of primary current flowing through a primary circuit of the ignition coil. A distributor has a series gap provided in a secondary circuit of the ignition coil, and a spark plug is adapted to be energized from the ignition coil through the series gap of the distributor. A voltage charging circuit works to electrically charge a stray capacity inherent in the spark plug immediately after an end of a spark action of the spark plug. A spark plug voltage detector circuit distinguishes the voltage waveform of more than a predetermined reference voltage level so as to deform the voltage waveform into output signals. On the basis of the width of the output signals, a distinction circuit determines whether or not the spark action ignites an air-fuel mixture in a cylinder of the internal combustion engine.
摘要翻译： 用于内燃机的失火检测器具有包括初级线圈和次级线圈的点火线圈。 提供了一个断续电路，用于对流过点火线圈的初级电路的初级电流进行开 - 关动作。 分配器具有设置在点火线圈的二次回路中的串联间隙，并且火花塞适于从点火线圈通过分配器的串联间隙通电。 电压充电电路用于在火花塞的火花作用结束之后立即对火花塞固有的杂散电容进行充电。 火花塞电压检测器电路将电压波形区分大于预定的参考电压电平，以将电压波形变形为输出信号。 基于输出信号的宽度，区分电路确定火花动作是否引燃内燃机的气缸中的空气 - 燃料混合物。
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