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1. 发明专利

JPH051646A SUCTION DEVICE OF INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH051646A
公开(公告)日：1993-01-08
申请号：JP15472391
申请日：1991-06-26
申请人： TOYOTA MOTOR CORP
发明人： YAMADA TOSHIO
IPC分类号： F02B29/08 , F02M69/04
摘要： PURPOSE:To furnish a suction device to improve installation property of a valve actuator and cost reduction for a suction device provided with a suction control valve on a suction passage of an internal combustion engine and an assist air control valve on an assist air passage to a fuel injection valve. CONSTITUTION:A suction device has a suction control valve 10 which is in the downstream of a throttle valve 8 and controls an intake air amount to an engine and a fuel injection valve 2 provided on the suction downstream side of the suction control valve 10. Additionally, it has an air assist passage 18 to introduce assist air for fuel atomization by way of connecting a suction passage 6 on the suction upstream side of the throttle valve 8 and the fuel injection valve 2 to each other and an assist air control valve 19 to control an assist air amount in accordance with its opening and closing time. Furthermore, it has an actuator 12 to drive the suction control valve 10 and the assist air control valve 19 in the lump.

2. 发明专利

JPH0443847A AIR SUPPLY DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH0443847A
公开(公告)日：1992-02-13
申请号：JP14986390
申请日：1990-06-11
申请人： TOYOTA MOTOR CORP
发明人： KASHIWAKURA TOSHIMI , MORI KENJI , YAMADA TOSHIO , YOSHIMATSU AKIO
IPC分类号： F02B29/08 , F02D33/00 , F02D45/00 , F02M23/04 , F02M23/06
摘要： PURPOSE:To make generated torque to respective cylinders uniform and prevent generation of engine vibration or surging phenomenon by correcting valve opening time set through a valve opening time setting means at every control valve according to difference between rotating speed of each cylinder and mean value of rotating speed of all cylinders. CONSTITUTION:A valve opening time setting means l sets the valve opening time of a control valve 5 according to an engine operating condition. The set valve opening time is in same value to each control valve. A rotating speed detecting means 2 detects rotating speed of each cylinder from the top dead center of compression stroke to the bottom dead center of expansion stroke, and outputs to a mean rotating speed computing means 3 and a correcting means 4. The mean rotating speed computing means 3 computes the mean rotating speed of all cylinders, and outputs to the correcting means 4. The correcting means 4 corrects the valve opening time set by the valve opening time setting means l at every control valve 5 according to deviation between the input mean rotating speed and the rotating speed of each cylinder, and supply air quantity is adjusted at every cylinder.

3. 发明专利

JPS6232264A COOLING WATER PASSAGE STRUCTURE IN CYLINDER HEAD OF INTERNAL-COMBUSTION ENGINE 失效
公开(公告)号：JPS6232264A
公开(公告)日：1987-02-12
申请号：JP17069685
申请日：1985-08-02
申请人： TOYOTA MOTOR CORP
发明人： YAMADA TOSHIO , KANDA MUTSUMI , IWASHITA YOSHIHIRO , OKUMURA TAKESHI
IPC分类号： F01P3/02 , F02B1/04 , F02F1/24 , F02F1/36 , F02F1/40 , F02F1/42
摘要： PURPOSE:To effectively cool a wall surface of a combustion chamber at a knocking point part in a port area, by making a flow rate of cooling water in a cooling water passage above the combustion chamber greater than that in cooling water passages below ports. CONSTITUTION:There are independently provided in a cylinder head 2 a lower cooling water passage 13 extending below suction ports 6 and 7 along a row of cylinders, a lower cooling water passage 14 extending below exhaust ports 8 along the row of cylinders, and an upper cooling water passage 15 extending along the row of cylinders in such a manner as to pass through a central portion of a combustion chamber 5 between the suction ports 6 and 7 and the exhaust ports 8 and surround an ignition plug hole. The cylinder head 2 is further provided with communication holes 17-19 for communicating a cooling water from a cooling water passage in a cylinder block to the passages 13-15. The communication hole 19 of the passage 15 has a relatively small sectional area to form a minimum sectional area passage.

4. 发明专利

JPS5918253A Air-fuel ratio controlling apparatus for internal combustion engine 失效
标题翻译：用于内燃机的空燃比比控制装置
公开(公告)号：JPS5918253A
公开(公告)日：1984-01-30
申请号：JP12585582
申请日：1982-07-21
申请人： Toyota Motor Corp
发明人： SHINDOU KENICHIROU , YAMADA TOSHIO , MATSUSHITA SOUICHI , KATOU KENJI , INOUE TOKUTA
IPC分类号： F02D41/34 , F02D41/14
CPC分类号： F02D41/1476
摘要： PURPOSE:To enhance the accuracy in controlling the air-fuel ratio of an internal combustion engine, by stopping current supply to a lean sensor when the lowering of battery voltage is detected and controlling the air-fuel ratio on the basis of the value learned and stored before stopping current supply to the ''lean'' sensor in the titled apparatus using a ''lean'' sensor. CONSTITUTION:When the voltage of a battery 44 becomes lower than a prescribed value and a signal ''0'' is produced from comparator 551 of a battery voltage detecting circuit 55 during operation of an engine, fuel supply is controlled by an MPU 56 for a prescribed while on the basis of the deviation between a reference value and the air-fuel ratio measured actually by a lean sensor 36. While executing the above control, the deviation of the reference value to the actual air-fuel ratio measured by the lean sensor 36 is learned and stored in memory. After passing of the above-mentioned prescribed while, the lean sensor 36 is rendered inoperative by producing a signal ''0'' from a heater control circuit 54 and de-energizing a relay 543, and fuel supply is controlled on the basis of the deviation stored in memory during the while when current supply to the lean sensor 36 is interrupted.
摘要翻译：目的：为了提高控制内燃机空燃比的精度，通过在检测到电池电压降低时停止对稀薄传感器的供电，并根据获得的值控制空燃比，在使用“瘦”传感器停止向标题设备中的“瘦”传感器停止电流供应之前存储。构成：当在发动机运转期间电池44的电压变得低于规定值并且由电池电压检测电路55的比较器551产生信号“0”时，由MPU 56控制燃料供给基于由稀薄传感器36实际测量的参考值和空燃比之间的偏差而规定的时间。当执行上述控制时，参考值与由稀薄测量的实际空燃比的偏差传感器36被学习并存储在存储器中。在通过上述规定的时间之后，通过从加热器控制电路54产生信号“0”并使继电器543断电，使得稀薄传感器36不工作，并且基于当向瘦传感器36供电时，存储在存储器中的偏差被中断。

5. 发明专利

JPH06115380A CONSTANT SPEED TRAVELLING DEVICE OF VEHICLE 失效
公开(公告)号：JPH06115380A
公开(公告)日：1994-04-26
申请号：JP26612392
申请日：1992-10-05
申请人： NIPPON DENSO CO , TOYOTA MOTOR CORP
发明人： NOMURA YURIO , OBAYASHI HIDEKI , KOHAMA TOKIO , YAMADA TOSHIO
IPC分类号： B60K31/00 , B60W30/00 , F02D9/02 , F02D11/10 , F02D29/02
摘要： PURPOSE:To provide a constant speed travelling device of a vehicle capable of highly precisely and speedily controlling vehicle speed to target speed. CONSTITUTION:At the time of starting constant speed travelling control, a solenoid clutch 17 prohibits a closing side action of a throttle valve 14, and during the time of constant speed control, suction air is sucked through the throttle valve 14. A suction air manifold 13 is branched to suction air passages 13a leading to each of cylinders 5-8, and a suction air control valve 2 is respectively provided on each of the suction air passages 13a. By controlling the suction air control valve 2, actual speed of a vehicle is made to approach target speed. As the suction air control valve 2 is close to each of the cylinders 5-8 in comparison with the throttle valve 14 and is at the equal distance from each of the cylinders 5-8, delay time of feedback control becomes uniform and short. Additionally, as a sucked air-fuel mixture amount is adjustable to each of the cylinders 5-8 by the suction air control valve 2 provided on each of the suction air passages 13a, the vehicle speed is controllable to the target speed with speed, high precision and promptitude.

6. 发明专利

JPH04350324A AIR INTAKE DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH04350324A
公开(公告)日：1992-12-04
申请号：JP12122691
申请日：1991-05-27
申请人： TOYOTA MOTOR CORP
发明人： YAMADA TOSHIO
IPC分类号： F02B29/08 , F02M31/14
摘要： PURPOSE:To improve combustion to reduce the fluctuation in torque, and reduce pumping loss. CONSTITUTION:At the time of part load, an opening and closing valve 26 is fully opened to introduce a great amount of intake-air from an intake-air heating pipe 24, and thus heat the intake-air. The amount of intake-air is controlled by controlling the valve-closing timing of intake-air control valves 19-22. The lower the temperature of intake-air, the later the valve-closing timing of the intake-air control valves 19-22 is set to prevent the drop in temperature of air-fuel mixture to reduce the fluctuation in torque. At this time, a linkless- throttle valve 23 is throttled so that the amount of intake-air is not increased, and thus the pressure in a surge tank 13 can be reduced.

7. 发明专利

JPH02283836A IDLE STABILIZING DEVICE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH02283836A
公开(公告)日：1990-11-21
申请号：JP9995989
申请日：1989-04-21
申请人： TOYOTA MOTOR CORP
发明人： MORI KENJI , YAMADA TOSHIO
IPC分类号： F02D41/16
摘要： PURPOSE:To rapidly restore the number of idle revolutions to a given value by a method wherein a fuel correction amount equivalent to a deviation between the number of idle revolutions and a target value is computed, a present injection fuel amount is regulated and corrected to a fuel correction amount, and a calorific value of fuel-air mixture is changed. CONSTITUTION:According to an output signal from an idle switch 18 mounted to a throttle valve 12, an ECU 16 decides whether or not an engine is in an idle state. During idle operation in which an idle switch 18 is in an ON-state, the present number of idle revolutions is read from an output from a crank transition sensor 15, and the present average number of revolutions is computed and stored in a memory. A difference between the above average number of revolutions and the given number of revolutions of an engine at which stable idle running is practicable is determined, and by multiplying the difference by a conversion factor between the number of revolutions of an engine and a fuel injection amount, a fuel correction amount is computed. By subtracting a present fuel correction amount from a fuel injection amount computed at a preceding time, a present fuel injection amount is determined, and a fuel injection valve 17 is controlled.

8. 发明专利

JPS62107220A CYLINDER HEAD COOLING WATER PASSAGE STRUCTURE FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPS62107220A
公开(公告)日：1987-05-18
申请号：JP24776485
申请日：1985-11-05
申请人： TOYOTA MOTOR CORP
发明人： YAMADA TOSHIO , KANDA MUTSUMI
IPC分类号： F02F1/40 , F01P3/02 , F01P7/16 , F02B1/04 , F02B75/18 , F02F1/24 , F02F1/42
摘要： PURPOSE:To achieve compatibility both in the enhancement in mechanical octane numbers and in the lowering in exhaust gas temperatures by changing selectively the cooling water flow direction for an intake port underside cooling water passage and an exhaust port underside cooling water passage by the operation of flow passage changeover valves. CONSTITUTION:In a cylinder head 2, and intake port underside cooling water passage 13 extending in the cylinder arrangement direction transversing the underside of respective intake ports 6 and 7, and an exhaust port underside cooling water passage 14 extending in the cylinder arrangement direction transversing the underside of two exhaust ports 8 are provided. And on both ends of the cylinder head 2, respective valve chambers 20 and 21 extending in the direction perpendicular to the cylinder arrangement direction are provided, and further on the respective valve chambers 20 and 21, changeover valves 22, 27 for the cooling water inlet side flow passage and the cooling water outlet side flow passage are provided respectively. Thus, the changeover from the first position, in which passages are so connected that cooling water flows from the passage 13 toward the passage 14, to the second position, in which passages are so connected that cooling water flows from the passage 14 to the passage 13, is enabled.

9. 发明专利

JPS5932671A Ignition timing control device for internal-combustion engine 失效
标题翻译：用于内燃机的点火正时控制装置
公开(公告)号：JPS5932671A
公开(公告)日：1984-02-22
申请号：JP14171582
申请日：1982-08-17
申请人： Toyota Motor Corp
发明人： KATOU KENJI , YAMADA TOSHIO , SHINDOU KENICHIROU , MATSUSHITA SOUICHI , INOUE TOKUTA
IPC分类号： F02D41/14 , F02P5/15
CPC分类号： F02P5/1502 , F02D41/1475 , Y02T10/46
摘要： PURPOSE: To permit quick control conforming to an actual air-fuel ratio at all times and improve operating property, emission, fuel consumption or the like by a method wherein feedback control is effected so that the ignition timing is brought to the most proper value when the air-fuel ratio is deviated from a set value.
CONSTITUTION: Data, showing a revolving speed N and a section pipe pressure P, are read from an RAM 56 while the value of an objective air-fuel ratio λ
1 and the value of the ignition timing θ'
1 , corresponding to the value of the objective air-fuel ratio, which are corresponding to one combination of the values N, P, are operated from a map. Subsequently, the actually measured air-fuel ratio λ
2 from a lean sensor 34 is read to operate the ignition timing θ'
2 corresponding to the ratio λ
2 from the map and a difference Δθ between the ignition timing θ'
1 in the objective air-fuel ratio λ
1 and the ignition timing θ'
2 in the actually measured value λ
2 is accommodated into the RAM56. The ignition timing compensating amount Δθ+θ
1 is operated as the ignition timing θ and a signal corresponding to θ is impressed on an output port 50. As a result, the ignition is effected at a crank angle corresponding to the ignition timing θ and the most proper controls of the operating property and the fuel consumption may be effected without delay.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：通过实施反馈控制的方法，可以始终进行符合实际空燃比的快速控制，并提高操作性能，排放，燃料消耗等，使点火正时值达到最合适的值，空燃比偏离设定值。构成：从RAM56读取显示转速N和截面管压力P的数据，而目标空燃比λ1的值和点火正时θ'1的值对应于对应于值N，P的一个组合的目标空燃比从地图操作。随后，读取从稀薄传感器34的实际测量的空燃比λ2，以操作对应于来自地图的比值λ2的点火正时θ'2和目标空气燃料中的点火正时θ'1之间的差ΔTA 实际测量值λ2中的比值λ1和点火正时θ'2被容纳在RAM56中。点火正时补偿量DELTAtata +θ1作为点火正时θ运算，对应于θ的信号施加在输出端口50上。结果，点火是以对应于点火正时θ和最多的曲柄角度操作性能和燃料消耗的适当控制可以毫不拖延地实现。

10. 发明专利

JPS58214635A Air-fuel ratio control method for fuel injection type internal-combustion engine 失效
标题翻译：燃油喷射类型内燃机的空燃比控制方法
公开(公告)号：JPS58214635A
公开(公告)日：1983-12-13
申请号：JP9750382
申请日：1982-06-09
申请人： Toyota Motor Corp
发明人： MATSUSHITA SOUICHI , YAMADA TOSHIO , SHINDOU KENICHIROU , KATOU KENJI , INOUE TOKUTA
IPC分类号： F02D41/34 , F02D41/14
CPC分类号： F02D41/1482
摘要： PURPOSE:To make it possible to satisfactorily carry out the air-fuel ratio of an engine in a method for performing the feed-back control of the air-fuel ratio, by controlling the constant of feed-back in accordance with the flow of exhaust gas. CONSTITUTION:An air-fuel ratio is read from a map in accordance with the rotational speed and intake-air volume of an engine at the step 80. A basic fuel injection time tauo is calculated from the desired air-fuel ratio at the step 84. Then, the integrating constant alpha of feed-back is calculated at the step 86. That is, The integrating constant value alpha is read from the map in accordance with the intake-air volume which is the representative of the exhaust gas flow. Thereby, the responsiveness to the measuring of the air-fuel ratio may be maintained constant irrespective of engine operating conditions so that the control of the air-fuel ratio is made satisfactory.
摘要翻译：目的：为了在进行空燃比的反馈控制的方法中能够令人满意地实现发动机的空燃比，通过根据排气的流量控制反馈的常数加油站。构成：根据在步骤80的发动机的转速和进气体积从地图读取空燃比。在步骤84中根据期望的空燃比计算基本燃料喷射时间τo 然后，在步骤86中计算反馈的积分常数α。也就是说，根据作为排气流的代表的进气体积从地图读出积分常数α。因此，与发动机工作条件无关地，对空燃比的测量的响应性可以保持恒定，使得空燃比的控制变得令人满意。

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