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21. 发明专利

JPS6380067A INJECTION TIMING DETECTING DEVICE AND FUEL INJECTION CONTROL DEVICE FOR FUEL INJECTION PUMP 失效
公开(公告)号：JPS6380067A
公开(公告)日：1988-04-11
申请号：JP22436886
申请日：1986-09-22
申请人： NIPPON DENSO CO
发明人： TOYODA YASUHIRO , MATSUMURA TOSHIMI , TAKEMOTO HIDETSUGU
IPC分类号： F02D41/40 , F02D1/00 , F02D1/18 , F02D41/00 , F02M65/00
摘要： PURPOSE:To carry out fuel injection timing control and fuel injection amount control with a high degree of accuracy, by providing a pressure detector for detecting the load of a spring urging a plunger in a fuel injection pump and a computing means for calculating the pressurization initiating timing of the plunger. CONSTITUTION:A pressure detector 32 is provided in a seat section 31 for a spring 7 urging a plunger 5in a fuel injection pump 1 in order to detect the load of the spring 7. A rotating angle detector 36 delivers a signal indicating the rotating angle of a rotor 35. An electronic control device 50 calculates the pressurization initiating timing of the plunger 5 in accordance with the phase angle of a load signal from the detector 32. Thus, since that fuel injection timing may be directly detected with a high degree of accuracy by use of a simple structure, thereby it is possible to easily realize fuel injection timing control and fuel injection amount control.

22. 发明专利

JPS639789A SOLENOID VALVE FOR FLUID CONTROL 失效
公开(公告)号：JPS639789A
公开(公告)日：1988-01-16
申请号：JP15208786
申请日：1986-06-28
申请人： NIPPON DENSO CO
发明人： MATSUMURA TOSHIMI
IPC分类号： F16K31/06 , F02M59/46
摘要： PURPOSE:To enable the flow of fluid to be accurately regulated in spite of fluctuation of the temperature of said fluid, by providing a temperature sensing member which increases the seating force of the valve disc of a valve part. CONSTITUTION:In the upper part of a housing 5, is incorporated an electromagnetic actuator part 101 which functions as an electromagnetic solenoid, and, in the lower part of said housing 5, is incorporated a valve part 102 which cut or make high pressure fluid flow. A temperature sensing member 301 senses the temperature of the fuel staying in a solenoid valve through the screw part of the top plate 17 of the solenoid valve via a regulating screw 19 or through a spring stopper 302, and expands farther as fuel temperature rises more. The expansion of said temperature sensing member 301 pushes down said stopper 302 to increase the set pressure of a spring 20 to weaken the energizing force to open a pilot valve 40.

23. 发明专利

JPS62279253A FUEL INJECTION TIMING CONTROL DEVICE FOR FUEL INJECTION PUMP 失效
公开(公告)号：JPS62279253A
公开(公告)日：1987-12-04
申请号：JP12444286
申请日：1986-05-28
申请人： NIPPON DENSO CO
发明人： MATSUMURA TOSHIMI , TAKEMOTO HIDETSUGU
IPC分类号： F02D41/04 , F02D41/00 , F02D41/40
摘要： PURPOSE:To make drivability and emission favorable by providing a correcting means for correcting a controlling quantity for a fuel injection timing adjusting means by a control means when a transient condition of engine speed is detected. CONSTITUTION:A fuel injection timing adjusting means M2 is controlled by a control means M9 in such a way that actual fuel injection timing which is detected by an actual fuel injection timing detecting means M6 agrees with target fuel injection timing which is calculated by a target fuel injection timing calculating means M8. When the transient condition of engine speed is detected by a transient condition detecting means M10, a controlling quantity for the fuel injection timing adjusting means M2 by a control means M 9 is corrected M11. Accordingly, the error of injection timing generated at the time of transient condition of engine speed due to the difference between the calculating frequency of the target fuel injection timing calculating means M8 and the detecting frequency of the actual fuel injection timing detecting means M6, can be corrected. Thereby, drivability and emission can be made favorable.

24. 发明专利

JPS61291756A EXHAUST GAS RECIRCULATION CONTROLLER FOR DIESEL ENGINE 失效
公开(公告)号：JPS61291756A
公开(公告)日：1986-12-22
申请号：JP13496285
申请日：1985-06-19
申请人： NIPPON DENSO CO , TOYOTA MOTOR CORP
发明人： NAKATSUKA KOKEI , MATSUMURA TOSHIMI , IBUKI NORITAKA , IKEDA SHINJI , AOKI KEIJI , KOBAYASHI FUMIAKI
IPC分类号： F02M25/07 , F02B3/06
摘要： PURPOSE:To ensure the optimal combustion state of an engine by providing means for comparing between the actual combustion interval and the optimal combustion interval and means for correcting the setting level of EGR in corre spondence with the comparison results in a central controller. CONSTITUTION:Central controller M100 is provided with means M11 for setting the level of EGR and means M12 for producing a signal corresponding to said level. Comparing means M15 will compare the actual combustion interval detected through means M14 with the optimal combustion interval to be set through said means M13. Means M16 will correct the setting level of EGR in correspondence with the comparison results thus to feed a signal correspondening to the corrected level of EGR to means M12. Consequently, the optimal combustion state of engine can be ensured to prevent degradation of emission.

25. 发明专利

JPS6185555A Intake density compensation controller for diesel engine 失效
标题翻译：吸入柴油发动机的密度补偿控制器
公开(公告)号：JPS6185555A
公开(公告)日：1986-05-01
申请号：JP20869184
申请日：1984-10-04
申请人： Nippon Denso Co Ltd
发明人： MATSUMURA TOSHIMI , OSUGA ISAO , MASUDA AKIRA
IPC分类号： F02B3/06 , F02D41/00 , F02D41/04 , F02D41/14 , F02D41/40
CPC分类号： F02D35/022 , F02B3/06 , F02D41/04 , F02D41/14 , F02D41/401 , F02D41/408 , Y02T10/44
摘要： PURPOSE: To perform control appropriate to the density of intake, by providing an intake density compensation means for compensating the various controlled quantities of an engine depending on an intake density compensation quantity calculated by an intake density compensation quantity calculation means.
CONSTITUTION: An intake density compensation quantity is calculated by an intake density compensation quantity calculation means M109 on the basis of the difference between command values determined by a feedback control command value calculation means M107 and an open control command value calculation means M108. The various controlled quantities of an engine M101 are compensated by an intake density compensation means M110 depending on the calculated intake density compensation quantity. The various controlled quantities can thus be compensated by detecting the delay in the time of ignition, so that control appropriate to the density of intake can be performed.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：根据由进气密度补偿量计算装置计算出的进气密度补偿量，通过提供进气密度补偿装置来对发动机的各种受控量进行补偿，来进行适合于进气密度的控制。构成：基于由反馈控制指令值运算单元M107决定的指令值与开启控制指令值计算单元M108之间的差异，由进气密度补偿量计算单元M109算出进气密度补偿量。发动机M101的各种控制量根据计算出的进气密度补偿量由进气密度补偿装置M110进行补偿。因此可以通过检测点火时间的延迟来补偿各种受控量，从而可以进行适合于进气密度的控制。

26. 发明专利

JPS6098162A FUEL INJECTION NOZZLE 失效
公开(公告)号：JPS6098162A
公开(公告)日：1985-06-01
申请号：JP20639683
申请日：1983-11-02
申请人： NIPPON DENSO CO
发明人： MATSUMURA TOSHIMI , MIYAKI MASAHIKO
IPC分类号： F02M51/06 , F02M61/20
摘要： PURPOSE:To prevent an engine from the occurence of noises in the running region of low speed and load by providing piezo-electric elements in series with a coil spring for closing a needle valve in a fuel injection nozzle to control the valve opening pressure and lift of the needle valve with high accuracy. CONSTITUTION:When high pressure fuel is forcibly sent from a fuel injection pump 15 to a fuel injection nozzle 1 and fuel pressure reaches the valve opening pressure of a needle valve 7, the lift of the needle valve 7 is started so that a coil spring 10 is compressed through a press pin 8 to increase pressure acting on a piezo-electric element 11 and produce compressive strain and electric charge corresponding to the size of the compressive stains is generated. That charge is sent to a control circuit 20 as a voltage signal, and in the control circuit 20 the control signal voltage applied to the piezo-electric element 11 is gradually reduced. Thus, the piezo-electric element 11 gradually returns tensile strain to the initial one and the needle valve 7 is pushed up by the fuel presssure to open a nozzle hole 5 and inject fuel.

27. 发明专利

JPS59119056A Fuel injection quantity controller 失效
标题翻译：燃油喷射量控制器
公开(公告)号：JPS59119056A
公开(公告)日：1984-07-10
申请号：JP22856782
申请日：1982-12-26
申请人： Nippon Denso Co Ltd
发明人： MIYAKI MASAHIKO , MASUDA AKIRA , MATSUMURA TOSHIMI
IPC分类号： F02M41/14
CPC分类号： F02M41/1411
摘要： PURPOSE: To eliminate nonuniformity in injection quantity between cylinders even when there is a machining error in machining of ports, by providing a straight lead for determining the start of injection in addition to a slant lead for controlling an overflow.
CONSTITUTION: When a fuel-distributing rotary member 4 is rotated and one of ports 71W74 is staggered from the lead 101 at position (e) in the figure, the pressure of a fuel in a pump chamber 2 is raised for the first time, feeding of the fuel under pressure is started, and injection is started. When the rotary member 4 is further rotated, the fuel at a high pressure overflows at position (f) where one of the ports 71W74 coincides with the lead 100, the pressure of the fuel is lowered, and the injection is finished. Accordingly, even when relative angular spacings of the four overflow ports are nonuniform to some extent, the cam angle θ form the start to the finish of the pressure feeding corresponding to the injection quantity is maintained to be constantly fixed, and the injection quantity is prevented from differring between each of cylinders.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：即使在端口加工时存在加工误差的情况下，除了用于控制溢流的倾斜引线之外，还提供用于确定喷射开始的直线引导，以消除气缸之间的喷射量不均匀性。构成：当燃料分配旋转构件4旋转并且端口71-74中的一个在图中的位置（e）处与引线101交错时，泵室2中的燃料的压力首次升高开始加压燃料，开始喷射。当旋转构件4进一步旋转时，高压燃料在端口71-74中的一个与导线100重合的位置（f）处溢出，燃料压力降低，并且喷射完成。因此，即使在四个溢流口的相对角度间隔在一定程度上不均匀的情况下，凸轮角度θ形成对应于喷射量的压力输送的开始始终保持恒定，并且防止喷射量从每个气缸之间的差异。

28. 发明专利

JPS5937261A Distribution type fuel injection pump 失效
标题翻译：分配式燃油喷射泵
公开(公告)号：JPS5937261A
公开(公告)日：1984-02-29
申请号：JP14717582
申请日：1982-08-25
申请人： Nippon Denso Co Ltd
发明人： MIYAKI MASAHIKO , MATSUMURA TOSHIMI , MASUDA AKIRA
IPC分类号： F02M41/06 , F02M41/08
CPC分类号： F02M41/08
摘要： PURPOSE:To permit enough highly accurate fuel injection amount control even in using comparatively low accuracy rotary solenoid or spilling position sensor by a method wherein the inclination of a reed, a cam mechanism and the like are provided in the pump. CONSTITUTION:The spill port 6 of a fuel distributing member 2 is operated so as to move into the right direction in the diagram with respect to the reed 19 of the spill ring 17, therefore, the amount of the rotating angular displacement of the fuel distributing member 2, corresponding to a period of time from the beginning of fuel sending at the position shown in the diagram to the finish of injection after the overflow of the fuel, becomes theta1. On the other hand, in case the spill ring 17 is provided by DELTAtheta' into the left direction from above- described condition in the diagram, the spill ring 17 moves by a length L by a reciprocating cam 18 and a cam pin 20, therefore, the amount of rotating angular displacement becomes theta2. Accordingly, theta' may be taken large enough and the change of injection time DELTAtheta=theta2-theta1 may be controlled highly accurately.
摘要翻译：目的：即使在泵中设置有芦苇，凸轮机构等的倾斜的方法，即使使用相对较低精度的旋转螺线管或溢出位置传感器，也允许足够高的精度的燃料喷射量控制。构成：燃料分配构件2的溢出口6相对于溢流环17的筘19在图中向右方向运动，因此燃料分配的旋转角位移量构件2对应于从图中所示的位置的燃料发送开始到燃料溢出之后的喷射完成的时间段变为θ1。另一方面，在图中从上述状态向溢出环17向左方向设置泄漏环17时，溢流环17由往复运动凸轮18和凸轮销20移动长度L，因此，旋转角位移量变为θ2。因此，可以将θ'取得足够大，并且可以高精度地控制注入时间DELTAtata = theta2-θ1的变化。

29. 发明专利

JPS5825540A AIR-TO-FUEL RATIO CONTROL METHOD 失效
公开(公告)号：JPS5825540A
公开(公告)日：1983-02-15
申请号：JP12415281
申请日：1981-08-10
申请人： NIPPON DENSO CO
发明人： ARIMURA TAKASHI , IDEZOE HISAMITSU , MATSUMURA TOSHIMI
IPC分类号： F02D41/14 , F02D41/26
摘要： PURPOSE:To prevent bad emission and imperfect starting by modifying the studying value on the basis of the arithmetic mean for values of correction, in which the correction at the transient point in the air-to-fuel ratio sensor is taken in, and bt enhancing thereby the control accuracy for the air-to-fuel ratio in the whole driving range of the engine. CONSTITUTION:Digital value 104 in accordance with the cooling temp. 13, intake gas temp. 12 and suction amount 11 is taken in the CPU100, where operation is performed for a correction amount K2 for the air-to-fuel sensor 14, and the result is housed in an RAM107 as the studying value Kmn upon undergoing an operational process. In this case, three conditions are set-if the studying condition 400 corresponding to the transient time point, i.e. air-to-fuel ratio sensor, is in activated state, if the cooling water temp. is over the set value, and if the air-to-fuel ratio is being increased. In case non of the above conditions is met, the studying value Kmn is employed as K2 in the same manner as it was, and, in case any of them is met, the value K2 is processed for the arithmetic mean 405, 406 depending upon whether the set number of times N1 401 for the changing point in the rich/lean output from the sensor 14 is met. The value Kmn is thus housed. Accordingly, a studying value Kmn including no variations at the transient point can be employed in accordance with the actual condition of driving.

30. 发明专利

JPS5783665A Control method of engine rotation speed 失效
标题翻译：发动机转速控制方法
公开(公告)号：JPS5783665A
公开(公告)日：1982-05-25
申请号：JP16097780
申请日：1980-11-14
申请人： Nippon Denso Co Ltd
发明人： MATSUMURA TOSHIMI , FUJISAWA HIDEYA , OOMORI NORIO , ARIMURA TAKASHI , YAMAZOE HISAMITSU , NISHIURA KIYOTAKA
IPC分类号： F02D41/16 , F02D43/00 , F02D45/00 , F02M3/07 , F02P5/04 , F02P5/15
CPC分类号： F02M3/07 , F02D43/00 , F02P5/045 , F02P5/1508 , Y02T10/46
摘要： PURPOSE: To improve the capacity of response to changes in the control of rotation speed at the time of idling operation by correcting the ignition timing in the direction to restrain the lowering and the change of the rotation speed.
CONSTITUTION: When warming up is sufficient and a throttle valve 16 is perfectly closed in an idling state, the average value N
1 of the rotation speed N within the newest crank angle 120° is read out, and the newest target rotation speed NF corresponding to the idling operation is read out. In accordance with the deviation ΔN, a correction amount of idling time lead angle θISC is obtained from a map. Meanwhile, a basic value of lead angle θBSE from a map using a suction amount signal Q/N
i and N
i for for its main functions and a correction amount of ignition lead angle θα corresponding to various engine parameters are obtained. These values are added for calculating a lead angle value θ= θBSE+θα+θISC, which is outputted to an output circuit 113. This construction permits to correspond to the change of the rotation speed at the time of idling with high capacity of response.
COPYRIGHT: (C)1982,JPO&Japio
摘要翻译：目的：通过在限制降低和转速的方向上校正点火正时来提高响应于空转运转时的转速控制变化的能力。构成：当预热足够并且节气门16在怠速状态下完全关闭时，最新曲柄角度120度内的转速N的平均值N1。被读出，并且读取与空转动作对应的最新的目标转速NF。根据偏差DELTAN，从地图获得空转时间提前角θISC的校正量。同时，获得使用吸收量信号Q / Ni和Ni作为其主要功能的映射的引导角θBSE的基本值和对应于各种引擎参数的点火引导角θ的校正量。加上这些值用于计算出输出到输出电路113的前角θ=θBSE+θ+θISC。这种结构允许对应于空转时的高速响应时的转速的变化。

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