公开(公告)号：US5180984A

公开(公告)日：1993-01-19

申请号：US774233

申请日：1991-10-10

申请人： Shigemi Murata ,  Masayuki Ikeuchi

发明人： Shigemi Murata ,  Masayuki Ikeuchi

IPC分类号： F02D45/00 ,  F02P17/12

CPC分类号： F02P17/12 ,  F02P2017/125

摘要： An ion current sensing device for an internal combustion engine is able to accurately sense an ion current generated between electrodes of a spark plug during combustion of a mixture even when the electrodes have been smeared by carbon or other combustion products deposited or accumulated thereon. A power source 14 supplies a bias voltage to the electrodes of the spark plug. An ion current sensing resistor 15 is connected between the elecrodes of the spark plug and the power source for sensing an ion current as generated between the electrodes of the spark plug each time a mixture in the combustion chamber is combusted. A comparator 11 compares the voltage across the ion current sensing resistor with a reference voltage and generates an output signal when the voltage is higher than the reference voltage. A filter comprising a capacitor 22 and a resistor 23 is connected between the ion current sensing resistor and the comparator for passing only AC components of the voltage across the ion current sensing resistor to the comparator while blocking a DC component thereof.

摘要翻译： 用于内燃机的离子电流检测装置即使当电极被沉积或积聚在其上的碳或其他燃烧产物涂抹时，也能够精确地感测在混合物燃烧期间火花塞的电极之间产生的离子电流。 电源14向火花塞的电极提供偏置电压。 离子电流感测电阻器15连接在火花塞的电极和电源之间，用于每当燃烧室中的混合物燃烧时感测在火花塞的电极之间产生的离子电流。 比较器11将离子电流检测电阻器两端的电压与参考电压进行比较，并在电压高于参考电压时产生输出信号。 包括电容器22和电阻器23的滤波器连接在离子电流感测电阻器和比较器之间，用于仅将离子电流检测电阻器两端的电压的交流分量传递到比较器，同时阻挡其直流分量。

公开(公告)号：US5014005A

公开(公告)日：1991-05-07

申请号：US490236

申请日：1990-03-08

申请人： Shigemi Murata ,  Masayuki Ikeuchi

发明人： Shigemi Murata ,  Masayuki Ikeuchi

IPC分类号： G01R33/07 ,  G01V3/08

CPC分类号： G01V3/08 ,  G01R33/07

摘要： An assembling structure of a Hall-effect sensor device suitable to be used as a crankshaft angle sensor of an automotive internal combustion engine is disclosed. The device comprises: a frame of a resin material which includes a box-shaped accommodating portion opening downward, and a magnetic flux guide holder opposing a side wall of the accommodating portion across a predetermined gap through which a magnetic shutter passes; a Hall IC disposed within the accommodating portion of the frame; a position determining means--such as a resilient member functioning with positioning planar surface portions formed on the interior surfaces of the accommodating portion of the frame, or a holder plate made of a press-formed stainless steel plate having a plurality of engaging projections or claws--for determining the relative position of the Hall IC with respect to the frame; a first magnetic flux guide disposed in the accommodating portion of the frame; a second magnetic flux guide held by the magnetic flux guide holder of the frame; and a permanent magnet adhered to the second magnetic flux guide so as to oppose the Hall IC across the predetermined gap through which the magnetic flux shutter is translated to cause the variation of the magnetic flux that passes through the Hall IC.

摘要翻译： 公开了适合用作汽车内燃机的曲轴角度传感器的霍尔效应传感器装置的装配结构。 该装置包括：树脂材料的框架，其包括向下开口的盒形容纳部分和与容纳部分的侧壁相对的磁通导向器保持架，穿过预定的间隙，磁性快门通过该磁性通道; 设置在框架的容纳部内的霍尔IC; 位置确定装置，例如在框架的容纳部分的内表面上形成有定位平面表面的弹性构件或由具有多个接合突起或爪的压制成形的不锈钢板制成的保持板 用于确定霍尔IC相对于该帧的相对位置; 布置在所述框架的容纳部分中的第一磁通引导件; 由所述框架的磁通导向器保持器保持的第二磁通引导件; 以及永磁体，其粘附到第二磁通引导件上，以便与通过磁通闸门平移的预定间隙相对的霍尔IC相对，从而引起通过霍尔IC的磁通量的变化。

公开(公告)号：US4943717A

公开(公告)日：1990-07-24

申请号：US413644

申请日：1989-09-28

申请人： Masayuki Ikeuchi ,  Kouichi Okamura

发明人： Masayuki Ikeuchi ,  Kouichi Okamura

IPC分类号： G01D5/36 ,  G01V8/12

CPC分类号： G01D5/36 ,  G01V8/12

摘要： An angle measuring device for measuring the turning angle of a crankshaft in an internal combustion engine in order to control, for example, the ignition timing thereof comprises: a rotating disc which is adapted to rotate in synchronization with a crankshaft and which has a plurality of slits formed along the circumference thereof; light-emitting elements arranged in the vicinity of the rotating disc; light-receiving elements adapted to receive light emitted from the light-emitting elements through the slits of the rotating disc; and a signal processing circuit adapted to process signals output from the light-receiving elements and including: a semiconductor substrate, a plurality of islands formed on the surface of the semiconductor substrate from diffusion layers, a protective-resistor element formed in one of the islands and connected to the light-emitting means, and separation layers separating the island on which the protective-resistor element is formed from the other islands, no other elements being formed on the island on which the protective-resistor element is formed.

摘要翻译： 一种用于测量内燃机中的曲轴的转角以便例如控制其点火正时的角度测量装置包括：旋转盘，其适于与曲轴同步地旋转，并且具有多个 沿其圆周形成的狭缝; 布置在旋转盘附近的发光元件; 光接收元件，适于通过旋转盘的狭缝接收从发光元件发射的光; 以及信号处理电路，适于处理从所述光接收元件输出的信号，并且包括：半导体衬底，从扩散层形成在所述半导体衬底的表面上的多个岛，形成在所述岛中的一个岛中的保护电阻元件 并且与发光装置连接，并且将形成有保护电阻元件的岛与其他岛分隔开的分离层，在形成有保护电阻元件的岛上没有其他元件形成。