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1.发明授权
公开(公告)号：US4765301A
公开(公告)日：1988-08-23
申请号：US12208
申请日：1987-02-06
申请人： Yuzuru Koike , Takafumi Nishikawa
发明人： Yuzuru Koike , Takafumi Nishikawa
CPC分类号： F02D41/061 , F02D41/06 , F02D41/064 , F02D2200/0606
摘要： A method of controlling the quantity of fuel supplied to an internal combustion engine after starting thereof. An initial value of a fuel increment is set in response to a temperature of the engine immediately after the start of the engine, and is subsequently decreased with the lapse of time. A quantity of fuel set by the use of the thus decreased fuel increment is supplied to the engine. The rate of decrease of the fuel increment is set to a value corresponding to a sensed temperature representative of fuel injection valves of the engine. Preferably, the rate of decrease is set to a smaller value when the sensed temperature is equal to or higher than a value corresponding to the boiling point of the fuel, than a value set when the former is lower than the latter.
摘要翻译： 一种控制在启动之后供给到内燃机的燃料量的方法。 燃料增量的初始值响应于发动机起动之后的发动机的温度而设定，随后随时间而减小。 通过使用由此减少的燃料增量而设定的燃料量被提供给发动机。 将燃料增量的减少率设定为与表示发动机的燃料喷射阀的感测温度对应的值。 优选地，当所感测的温度等于或高于对应于燃料的沸点的值时，将降低率设定为较小的值，而不是比前者低于后者时设定的值。
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2.发明授权
公开(公告)号：US4727846A
公开(公告)日：1988-03-01
申请号：US786218
申请日：1985-10-10
申请人： Akihiro Yamato , Takafumi Nishikawa
发明人： Akihiro Yamato , Takafumi Nishikawa
CPC分类号： F02D41/123 , F02D41/04
摘要： The fuel supply to an internal combustion engine is decreased when the engine is in an operating region wherein the intake passage pressure is lower than a first predetermined value. The first predetermined value is corrected in response to detected atmospheric pressure encompassing the engine. Further, the fuel supply to the engine is interrupted when the engine is in a second operating region wherein the intake passage pressure is lower than a second predetermined value, which is lower than the first predetermined value. The second predetermined value is corrected in response to the detected atmospheric pressure, together with the first predetermined value.
摘要翻译： 当发动机处于进气通道压力低于第一预定值的操作区域时，内燃机的燃料供应减少。 响应于包围发动机的检测到的大气压力来校正第一预定值。 此外，当发动机处于进气通道压力低于低于第一预定值的第二预定值的第二操作区域时，发动机的燃料供应中断。 响应于检测到的大气压力与第一预定值一起校正第二预定值。
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3.发明授权
公开(公告)号：US4708115A
公开(公告)日：1987-11-24
申请号：US5638
申请日：1987-01-21
申请人： Akihiro Yamato , Takafumi Nishikawa
发明人： Akihiro Yamato , Takafumi Nishikawa
CPC分类号： F02D41/04 , F02D31/009 , F02D2200/703
摘要： An amount of fuel to be supplied to an internal combustion engine is determined in dependence upon operating conditions of the engine and is corrected by a correction variable dependent upon atmospheric pressure. The correction variable is set so as to increase with a decrease in atmospheric pressure, and the set value of the correction variable is modified so as to decrease with a rise in the engine rotational speed. The correction variable resulting from this modification is added to the amount of fuel to be supplied to the engine to correct the same.
摘要翻译： 根据发动机的运行条件来确定供给内燃机的燃料量，并根据大气压力进行修正。 校正变量被设定为随着大气压力的降低而增加，并且校正变量的设定值被修改为随着发动机转速的上升而减小。 将由该修改产生的校正变量加到向发动机提供的燃料量以进行校正。
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公开(公告)号：US5447141A
公开(公告)日：1995-09-05
申请号：US338219
申请日：1994-11-09
CPC分类号： F02M25/089 , F02M25/0809
摘要： An evaporative emission control system for an internal combustion engine detects abnormality of the system based on pressure within a purging passage at a location between a purge control valve arranged therein and an intake passage of the engine, and pressure within a canister for adsorbing evaporative fuel generated from a fuel tank of the engine, when it delivers a valve opening command to open the purge control valve.
摘要翻译： 用于内燃机的蒸发排放控制系统基于排气通道中布置在其中的排气控制阀和发动机的进气通道之间的位置处的压力来检测系统的异常，以及用于吸收产生的蒸发燃料的罐内的压力 来自发动机的燃料箱，当其输送阀打开命令以打开清洗控制阀时。
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公开(公告)号：US5069187A
公开(公告)日：1991-12-03
申请号：US575080
申请日：1990-08-30
申请人： Akira Kato , Takafumi Nishikawa , Shun Masuda
发明人： Akira Kato , Takafumi Nishikawa , Shun Masuda
CPC分类号： F02D41/045 , F02D41/10
摘要： A fuel supply control system for an internal combustion engine having an intake pipe, and a throttle valve arranged in the intake pipe. A basic value of a fuel amount to be supplied to the engine is determined based on a load on the engine. The determined basic value of the fuel amount is corrected by a correction value for increasing the fuel amount during and/or after acceleration of the engine. The correction value is determined based on a change in the opening degree of the throttle valve. The correction valve is further determined based on a change in the magnitude of the load on the engine.
摘要翻译： 一种用于内燃机的燃料供应控制系统，其具有进气管和布置在进气管中的节流阀。 基于发动机上的负荷来确定要提供给发动机的燃料量的基本值。 通过用于增加发动机加速期间和/或之后的燃料量的校正值来校正所确定的燃料量的基本值。 校正值基于节流阀的开度的变化来确定。 基于发动机上的负载的大小的变化进一步确定校正阀。
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公开(公告)号：US4718387A
公开(公告)日：1988-01-12
申请号：US9268
申请日：1987-01-30
CPC分类号： F02D41/102 , F02D41/345 , Y02T10/44
摘要： A method of controlling the timing of fuel injection in an internal combustion engine, wherein the injection timing of each of a plurality of fuel injection valves provided respectively for as many cylinders is determined in response to engine operating conditions. When it is determined that the engine is in a first predetermined operating condition, fuel is injected into a cylinder that corresponds to the present pulse of a control signal upon generation of same. The control signal is generated at a predetermined crank angle before a top dead center of each cylinder at the start of the intake stroke in the cylinder. When the engine is in a second predetermined operating condition, fuel is injected into another cylinder that corresponds to a pulse of the control signal next to the present pulse, upon generation of the present pulse. Preferably, the first and second predetermined operating conditions are determined by the engine rotational speed and/or the engine temperature.
摘要翻译： 一种控制内燃机中的燃料喷射定时的方法，其中分别为多个气缸设置的多个燃料喷射阀中的每一个的喷射正时响应于发动机的运行条件来确定。 当确定发动机处于第一预定操作状态时，在产生相同的燃料时将燃料喷射到与控制信号的当前脉冲相对应的气缸中。 在气缸中的进气冲程开始时，在每个气缸的上止点之前以预定的曲柄角产生控制信号。 当发动机处于第二预定操作状态时，在产生当前脉冲时，将燃料喷射到与当前脉冲旁边的控制信号的脉冲对应的另一气缸中。 优选地，第一和第二预定操作条件由发动机转速和/或发动机温度确定。
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7.发明授权
公开(公告)号：US4987871A
公开(公告)日：1991-01-29
申请号：US306825
申请日：1989-02-03
申请人： Takafumi Nishikawa
发明人： Takafumi Nishikawa
CPC分类号： F02D41/061
摘要： An operation control system for internal combustion engines at and after starting has an engine temperature sensor, a control valve for controlling the amount of intake air to be supplied to the engine, and a valve opening determining device responsive to an output from the engine temperature sensor for determining the opening of the control valve. The valve opening determining device sets the opening of the control valve at the start of the engine to a value such that the intake air amount is smaller as the engine temperature is lower. A fuel amount determining device is responsive to the output from the engine temperature sensor for determining the amount of fuel to be supplied to the engine at starting. A correction value determining device is responsive to the opening of a throttle valve of the engine for determining a correction value for the fuel amount in such a manner as to increase the fuel amount at a larger rate as the throttle opening is larger. A valve opening progressive increase device progressively increases the opening of the control valve after the start of the engine. A valve opening progressive decrease device progressively decreases the opening of same after the engine rotational speed reaches a predetermined value after the start of the engine.
摘要翻译： 用于起动时和之后的内燃机的操作控制系统具有发动机温度传感器，用于控制供给发动机的进气量的控制阀，以及响应于发动机温度传感器的输出的阀开度确定装置 用于确定控制阀的打开。 阀开度确定装置将发动机起动时的控制阀的开度设定为使得进气量随着发动机温度较低而较小。 燃料量确定装置响应于来自发动机温度传感器的输出，用于确定在启动时要供应给发动机的燃料量。 校正值确定装置响应于发动机的节气门的打开，用于确定燃料量的校正值，以便随着节气门开度较大而以更大的速率增加燃料量。 开阀逐渐增加装置在发动机起动之后逐渐增加控制阀的打开。 在发动机起动之后，在发动机转速达到预定值之后，开阀逐渐降低装置逐渐减小其开度。
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