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1. 发明授权

US6107790A Ignition coil for internal combustion engine 失效
标题翻译：内燃机点火线圈
公开(公告)号：US6107790A
公开(公告)日：2000-08-22
申请号：US206669
申请日：1994-03-07
申请人： Nobuyuki Sawazaki , Takafumi Narishige , Shigemi Murata , Mitsuru Koiwa , Yutaka Ohashi
发明人： Nobuyuki Sawazaki , Takafumi Narishige , Shigemi Murata , Mitsuru Koiwa , Yutaka Ohashi
IPC分类号： F02P15/00 , F02P3/02 , H01F38/12 , H05F1/00
CPC分类号： H01F38/12 , F02P3/02
摘要： A plurality of ignition coils and a plurality of switching assemblies are accommodated in one case, and a wire harness which interconnects the winding, connectors, and the switching assembly is formed as a unit using a plurality of conductors by means of a resin. In addition, respective electrical connections are established by welding, and soldering is disused. Thereby, it is provided an ignition device in which troublesome wiring between a coil and a switching assembly is eliminated and the reliability of electrical connections is improved, and which is compact and lightweight.
摘要翻译：多个点火线圈和多个开关组件被容纳在一个壳体中，并且将绕组，连接器和开关组件互连的线束通过使用多个导体的树脂形成为单元。此外，通过焊接建立各自的电连接，并且废弃焊接。由此，提供了一种消除线圈和开关组件之间麻烦的布线并且提高了电连接可靠性的点火装置，并且其紧凑轻便。

2. 发明授权

US5477203A Ignition coil assembly for internal combustion engine 失效
标题翻译：内燃机点火线圈组件
公开(公告)号：US5477203A
公开(公告)日：1995-12-19
申请号：US271962
申请日：1994-07-08
申请人： Nobuyuki Sawazaki , Shigemi Murata , Mitsuru Koiwa , Yutaka Ohashi
发明人： Nobuyuki Sawazaki , Shigemi Murata , Mitsuru Koiwa , Yutaka Ohashi
IPC分类号： F02P15/00 , H01F38/12 , H01F27/02 , H01F27/30
CPC分类号： H01F38/12
摘要： An ignition coil assembly for an internal combustion engine includes a primary coil, a secondary coil, at least one bobbin, a core, a first resin member and a casing. The primary coil and said secondary coil are wound on the bobbin. The core has core elements with a gap there-between through which the primary and secondary coils are magnetically coupled to one each other. The casing accommodates the primary and secondary coils, the bobbin and the core. And the first resin member covers a part of the core elements, the part which are confronted with said secondary coil, and the first resin member is accommodated in the casing.
摘要翻译：一种用于内燃机的点火线圈组件，包括一个初级线圈，一个次级线圈，至少一个线轴，一个芯，一个第一树脂部件和一个壳体。初级线圈和次级线圈缠绕在线轴上。芯具有在其间具有间隙的芯元件，初级线圈和次级线圈通过该间隙磁耦合到彼此之间。外壳容纳一次和二次线圈，线轴和芯。并且第一树脂构件覆盖一部分芯元件，面对所述次级线圈的部分，并且第一树脂构件容纳在壳体中。

3. 发明授权

US5438971A Ignition coil device for an internal combustion engine 失效
标题翻译：内燃机点火线圈装置
公开(公告)号：US5438971A
公开(公告)日：1995-08-08
申请号：US165912
申请日：1993-12-14
申请人： Shigemi Murata , Nobuyuki Sawazaki , Mitsuru Koiwa , Yutaka Ohashi
发明人： Shigemi Murata , Nobuyuki Sawazaki , Mitsuru Koiwa , Yutaka Ohashi
IPC分类号： F02P15/00 , F02P3/02 , F02P3/055 , H01F38/12 , H01F3/00
CPC分类号： F02P3/02 , F02P3/0552 , H01F38/12
摘要： An ignition coil device for an internal combustion engine comprising: a plurality of iron cores; a plurality of ignition coils having a plurality of primary coils provided around said plurality of iron cores and a plurality of secondary coils magnetically-coupled with said plurality of primary coils through the plurality of iron cores; a case accommodating the plurality of iron cores and the plurality of ignition coils; and a plurality of control units accommodated in said case of which number is equal to the number of the plurality of ignition coils.
摘要翻译：一种用于内燃机的点火线圈装置，包括：多个铁芯; 多个点火线圈，具有设置在所述多个铁芯周围的多个初级线圈和多个次级线圈，所述次级线圈通过所述多个铁芯与所述多个初级线圈磁耦合; 容纳所述多个铁芯和所述多个点火线圈的壳体; 以及容纳在所述壳体中的多个控制单元，其数量等于所述多个点火线圈的数量。

4. 发明授权

US5662091A Ignition apparatus for internal combustion engine 失效
标题翻译：内燃机点火装置
公开(公告)号：US5662091A
公开(公告)日：1997-09-02
申请号：US629147
申请日：1996-04-08
申请人： Nobuyuki Sawazaki , Mitsuru Koiwa , Shigemi Murata
发明人： Nobuyuki Sawazaki , Mitsuru Koiwa , Shigemi Murata
IPC分类号： F02P3/02 , F02P3/055 , H01F27/02 , H01F38/12
CPC分类号： F02P3/0552 , F02P3/02 , H01F27/022 , H01F38/12 , H01L2224/48091 , H01L2224/48472 , H01L2224/73265 , H01L2924/181
摘要： An ignition apparatus for an internal combustion engine has an ignition coil 4,5 disposed within an electrically insulating case 1, and a power switch 6 disposed within the case and comprising a switching unit 8, 9 for intermittently supplying a primary current to the ignition coil. A gel 12 is disposed over the switching unit and at least one electrical wire conductor 21 having one end connected to the switching unit and the other end extending outwardly of the power switch. An electrically insulating resin 14 fills the insulating case, and supports/covers the ignition coil and the power switch. The electrical wire conductor includes a flexible bent portion 21a disposed within the gel for absorbing any tension in the conductor. With this arrangement, a heat shock resistant performance of the wire conductor is improved and working reliability is also improved.
摘要翻译：一种用于内燃机的点火装置具有设置在电绝缘壳体1内的点火线圈4,5和设置在壳体内的电源开关6，包括用于向点火线圈间歇地提供初级电流的开关单元8,9 。凝胶12设置在开关单元上方，以及至少一个电线导体21，其一端连接到开关单元，另一端延伸到电源开关外部。电绝缘树脂14填充绝缘壳体，并且支撑/覆盖点火线圈和电源开关。电线导体包括设置在凝胶内的柔性弯曲部分21a，用于吸收导体中的任何张力。通过这种布置，提高了导线的耐热冲击性能，并且提高了工作可靠性。

5. 发明授权

US5669367A Ignition apparatus for internal combustion engine 失效
标题翻译：内燃机点火装置
公开(公告)号：US5669367A
公开(公告)日：1997-09-23
申请号：US629146
申请日：1996-04-08
申请人： Nobuyuki Sawazaki , Shigemi Murata , Mitsuru Koiwa
发明人： Nobuyuki Sawazaki , Shigemi Murata , Mitsuru Koiwa
IPC分类号： F02P13/00 , F02F7/00 , F02P3/02 , F02P15/00
CPC分类号： F02P3/02
摘要： In an ignition apparatus for an internal combustion engine including a first cover 1A composed of an insulating material, fixed to a cylinder head and having plug holes 6, ignition coils 20A inserted into the plug holes 6 and igniting a mixed gas in cylinders and a second cover composed of an insulating material and covering the ignition coils 20A, the ignition coils 20A are fixed by means of being held between the first cover 1A and a second cover 11A. With this arrangement, the total height of the ignition apparatus can be lowered as well as the center of gravity of the apparatus is located at a low position to improve a vibration resistant property.
摘要翻译：在一种用于内燃机的点火装置中，该内燃机包括固定在气缸盖上并具有插头孔6的绝缘材料构成的第一盖1A，插入到插头孔6中的点火线圈20A，并点燃气缸中的混合气体由绝缘材料构成的盖子覆盖点火线圈20A，点火线圈20A通过保持在第一盖1A和第二盖11A之间被固定。通过这种布置，可以降低点火装置的总高度，同时设备的重心位于低位置以提高抗振性能。

6. 发明授权

US5722378A Ignition detection circuit 失效
标题翻译：点火检测电路
公开(公告)号：US5722378A
公开(公告)日：1998-03-03
申请号：US719882
申请日：1996-09-25
申请人： Nobuyuki Sawazaki , Masaaki Taruya , Mitsuru Koiwa
发明人： Nobuyuki Sawazaki , Masaaki Taruya , Mitsuru Koiwa
IPC分类号： F02P3/045 , F02P3/055 , F02P17/12
CPC分类号： F02P17/12
摘要： An ignition circuit IG converts a battery voltage into a high spark plug discharge voltage. A resistor R1 inserted into the power supply path L detects the current flowing through the ignition circuit by converting the current into a voltage, and a level shift circuit LS shifts the potential level at both terminals of the detection resistor. A level deviation detection circuit regulates the level of a deviation voltage developed across the detection resistor, which is caused when an electric current flows from the battery to the ignition circuit, and outputs the deviation voltage. A reference voltage generation portion sets a reference voltage to be compared with the deviation voltage by a comparator COM. A clamping circuit CL suppresses variations in the power supply voltage corresponding to the level deviation detection circuit and the comparator, and protects the level deviation detection circuit. Thus, the influence of a surge voltage exerted on the comparator embodied in a monolithic IC is greatly reduced. Moreover, the accuracy in detecting a load current at the time of engine ignition is enhanced.
摘要翻译：点火电路IG将电池电压转换成高火花塞放电电压。插入电源路径L的电阻R1通过将电流转换为电压来检测流过点火电路的电流，电平移位电路LS使检测电阻的两端的电位移位。电平偏差检测电路调节当电流从电池流向点火电路时引起的检测电阻器两端产生的偏差电压的电平，并输出偏差电压。参考电压产生部分通过比较器COM设置与偏差电压进行比较的参考电压。钳位电路CL抑制与电平偏差检测电路和比较器相对应的电源电压的变化，并且保护电平偏差检测电路。因此，大大降低了施加在单片IC上体现的比较器上的浪涌电压的影响。此外，提高了在发动机点火时检测负载电流的精度。

7. 发明授权

US5365909A Ignitor for an internal combustion engine 失效
标题翻译：用于内燃机的点火器
公开(公告)号：US5365909A
公开(公告)日：1994-11-22
申请号：US76200
申请日：1993-06-14
申请人： Nobuyuki Sawazaki , Masaaki Taruya , Mitsuru Koiwa
发明人： Nobuyuki Sawazaki , Masaaki Taruya , Mitsuru Koiwa
IPC分类号： F02P3/02 , F02P7/02 , F02P3/00
CPC分类号： F02P3/02 , F02P7/026
摘要： An ignitor comprises an ignition coil unit mounted to a base and a control unit disposed on the ignition coil unit and electrically connected thereto for controlling a primary current to the ignition coil unit, which includes a base plate attached to the base and a crank angle sensor for detecting the turning angle of an engine crank shaft. The ignitor also comprises a rotary shaft rotatably supported by the base for rotation in synchronization with the rotation of an internal combustion engine which extends through the ignition coil unit and has a distributor rotor on an extended end thereof. The control unit further comprises a power switch package having a mold resin which hermetically molds therein a power transistor and an integrated controlling circuit into a sealed package. The power transistor interrupts an electric current flowing through a primary coil of the ignition coil and an integrated controlling circuit controls the power transistor.
摘要翻译：点火器包括安装到基座的点火线圈单元和设置在点火线圈单元上并与其电连接的控制单元，用于控制到点火线圈单元的初级电流，该点火线圈单元包括附接到基座的基板和曲柄角传感器用于检测发动机曲轴的转角。点火器还包括旋转轴，所述旋转轴可旋转地支撑在基座上，以与延伸穿过点火线圈单元的内燃机的旋转同步旋转，并且在其延伸端具有分配器转子。控制单元还包括具有模制树脂的功率开关封装，其将功率晶体管和集成控制电路气密地模制成密封封装。功率晶体管中断通过点火线圈的初级线圈的电流，并且集成控制电路控制功率晶体管。

8. 发明授权

US5199407A Current limiter in an ignition apparatus for an internal combustion engine 失效
标题翻译：内燃机点火装置的当前限制
公开(公告)号：US5199407A
公开(公告)日：1993-04-06
申请号：US769320
申请日：1991-10-01
申请人： Nobuyuki Sawazaki , Masaaki Taruya , Mitsuru Koiwa
发明人： Nobuyuki Sawazaki , Masaaki Taruya , Mitsuru Koiwa
IPC分类号： F02B1/04 , F02P3/05
CPC分类号： F02P3/051 , F02B1/04
摘要： A current limiter in an ignition apparatus for an internal combustion engine including a differential amplifier 20 is able to limit a primary winding current of an ignition coil to a prescribed limit value which is independent of a voltage as sensed by a current sensing resistor 11, thus providing a highly stable operating characteristic. The factor of current amplification of the differential amplifier can be increased without accompanying oscillations of the current limiter. The current sensing resistor senses a voltage corresponding to a current flowing from the primary winding of the ignition coil to a power transistor 4 which turns on and off the power supply to the ignition coil. A reference voltage source 12 generates a reference voltage for comparison with the voltage sensed by the current sensing resistor. A differential amplifier absorbs a part of a base current supplied from a storage battery to a base of the power transistor on the basis of a difference between the reference voltage and the voltage sensed by the current sensing resistor. A plurality of output transistors 25, 102 are coupled to form a Darlington circuit which is connected between the differential amplifier and the base of the power transistor. Another reference voltage source 12" may be provided for generating a second reference voltage, the second reference voltage source being connected between the current sensing resistor and the second input terminal of the differential amplifier for supplying thereto a total sum of the voltage sensed by the current sensing resistor and the second reference voltage.
摘要翻译：在具有差分放大器20的内燃机用点火装置中的限流器能够将点火线圈的初级绕组电流限制为与由电流检测电阻器11感测到的电压无关的规定极限值，因此提供高度稳定的工作特性。差分放大器的电流放大因子可以增加，而不伴随限流器的振荡。电流感测电阻器检测对应于从点火线圈的初级绕组流过的电流的电压到接通和断开对点火线圈的电源的功率晶体管4。参考电压源12产生用于与由电流感测电阻器感测的电压进行比较的参考电压。差分放大器基于参考电压和由电流感测电阻感测的电压之间的差异，吸收从蓄电池提供给功率晶体管的基极的一部分基极电流。多个输出晶体管25,102被耦合以形成连接在功率晶体管的差分放大器和基极之间的达林顿电路。可以提供另一参考电压源12“用于产生第二参考电压，第二参考电压源连接在差动放大器的电流检测电阻和第二输入端之间，用于向其提供由电流检测电阻和第二参考电压。

9. 发明授权

US5146907A Ignition apparatus having a current limiting function for an internal combustion engine 失效
标题翻译：具有用于内燃机的电流限制功能的点火装置
公开(公告)号：US5146907A
公开(公告)日：1992-09-15
申请号：US774234
申请日：1991-10-10
申请人： Nobuyuki Sawazaki , Masaaki Taruya , Mitsuru Koiwa
发明人： Nobuyuki Sawazaki , Masaaki Taruya , Mitsuru Koiwa
IPC分类号： F02P3/04 , F02B1/04 , F02P3/045 , F02P3/05 , F02P3/055
CPC分类号： F02P3/051 , F02P3/0552 , F02B1/04
摘要： An ignition apparatus for an internal combustion engine includes a current limiter for limiting a current supplied from a power source to an ignition coil to a predetermined maximum value irrespective of temperature variations. A current sensing resistor is connected between the power transistor and ground for sensing the magnitude of a primary winding current. A first constant current supply is connected at one end thereof to the base of the power transistor and at the other end to one end of the current sensing resistor through a first transistor. A second constant current supply is connected at one end thereof to the base of the power transistor and at the other end to the other end of the current sensing resistor through a second transistor. A differential amplifier has a first input terminal connected to a junction between the first constant current supply and the first transistor, a second input terminal connected to a junction between the second constant current supply and the second transistor, and an output terminal connected to the base of the power transistor. A temperature coefficient compensator is connected to one of the first and second input terminal of the differential amplifier for compensating for a change in the resistance of the current sensing resistor due to a variation in temperature so that a temperature dependent change in the reference voltage at the first input terminal of the differential amplifier matches a temperature dependent change in the voltage at the second input terminal thereof.
摘要翻译：一种用于内燃机的点火装置包括限流器，用于将从电源提供给点火线圈的电流限制到预定的最大值，而与温度变化无关。功率晶体管和地之间连接有电流检测电阻，用于感测初级绕组电流的大小。第一恒流源在其一端连接到功率晶体管的基极，另一端通过第一晶体管连接到电流感测电阻器的一端。第二恒流源在其一端连接到功率晶体管的基极，另一端通过第二晶体管连接到电流感测电阻器的另一端。差分放大器具有连接到第一恒定电流源和第一晶体管之间的结点的第一输入端子，连接到第二恒定电流源和第二晶体管之间的结的第二输入端子以及连接到基极的输出端子的功率晶体管。温度系数补偿器连接到差分放大器的第一和第二输入端之一，用于补偿由于温度变化引起的电流感测电阻器的电阻变化，从而使基准电压的温度依赖性变化差分放大器的第一输入端匹配其在第二输入端的电压的温度变化。

10. 发明授权

US5172302A Ignition coil unit for an internal combustion engine 失效
标题翻译：用于内燃机的点火线圈单元
公开(公告)号：US5172302A
公开(公告)日：1992-12-15
申请号：US764876
申请日：1991-09-24
申请人： Masaaki Taruya , Mitsuru Koiwa , Nobuyuki Sawazaki
发明人： Masaaki Taruya , Mitsuru Koiwa , Nobuyuki Sawazaki
IPC分类号： F02P3/02 , H01F38/12
CPC分类号： F02P3/02 , H01F38/12
摘要： An ignition coil unit comprising within an electrically insulating casing (31) an ignition coil (A) and a packaged power switch circuit (E). The packaged power switch circuit (E), which comprises a plurality of electric and electronic components (F) hermetically sealed within a mold resin (G) to form a single compact unitary piece, is disposed within a power switch cavity (31d) of the casing (31). An aluminum heat dissipating plate (30) may be attached at its first end (30a) to said packaged power switch circuit (E) in a thermally conductive relationship and exposed at its second end (30b) to the exterior of said casing (31).
摘要翻译：一种点火线圈单元，包括电绝缘壳体（31），点火线圈（A）和封装的功率开关电路（E）。封装的电源开关电路（E）被设置在电源开关空腔（31d）内，该多个电气和电子部件（F）被密封在模制树脂（G）内以形成单个紧凑的整体件套管（31）。铝散热板（30）可以在其第一端（30a）处以导热关系连接到所述封装的功率开关电路（E）并在其第二端（30b）暴露于所述壳体（31）的外部，。

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