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    • 2. 发明授权
    • Control system for internal combustion engines
    • 内燃机控制系统
    • US5426938A
    • 1995-06-27
    • US122190
    • 1993-09-17
    • Ken OgawaYoshikazu OshimaYasunori EharaKei MachidaAtsushi Kato
    • Ken OgawaYoshikazu OshimaYasunori EharaKei MachidaAtsushi Kato
    • F02D21/08F02D37/02F02D41/00F02D41/04F02M25/08F02P5/04F02D43/00
    • F02D41/0065F02D37/02F02D41/0042F02D41/0045F02D41/005F02D41/047F02M25/08F02P5/045F02B2275/18F02D41/0047Y02T10/47
    • A control system for an internal combustion engine according to one aspect of the invention calculates a total amount of evaporative fuel purged from a canister based on dynamic characteristics and concentration of purged gas. The system calculates an amount of evaporative fuel supplied to the combustion chamber of the engine based on the total amount of evaporative fuel and depending on dynamic characteristics of the purged gas. Then, the system determines a required amount of fuel to be injected by a fuel injection valve based on the amount of evaporative fuel supplied to the combustion chamber. A control system according to another aspect of the invention calculates an amount of fuel to be injected by the injection valve and the ratio of the amount of fuel to be injected to the amount of fuel to be purged from the canister based on operating conditions of the engine, and based on this ratio, controls the purge control valve and at the same time decreases the amount of fuel to be injected, while setting a limit to this ratio for maintaining the linear relationship of the valve opening period of the fuel injection valve and the fuel injection amount.
    • 根据本发明的一个方面的用于内燃机的控制系统基于动态特性和净化气体的浓度来计算从罐排出的蒸发燃料的总量。 该系统基于蒸发燃料的总量和取决于净化气体的动态特性来计算供应到发动机的燃烧室的蒸发燃料的量。 然后,系统基于供给到燃烧室的蒸发燃料量,确定燃料喷射阀所要喷射的燃料量。 根据本发明的另一方面的控制系统基于所述喷射阀的操作条件来计算要由所述喷射阀喷射的燃料量和要喷射的燃料量与要从所述罐排出的燃料量的比率 发动机,并且基于该比例,控制排气控制阀,并且同时减少要喷射的燃料量,同时设定该比率的极限,以保持燃料喷射阀的阀打开周期和 燃料喷射量。
    • 5. 发明授权
    • Control system for internal combustion engines with exhaust gas
recirculation systems
    • 具有废气再循环系统的内燃机控制系统
    • US5383126A
    • 1995-01-17
    • US951232
    • 1992-09-25
    • Ken OgawaYoshihisa HaraKotaro MiyashitaKei Machida
    • Ken OgawaYoshihisa HaraKotaro MiyashitaKei Machida
    • F02D21/08F02D41/00F02D41/04F02D41/08
    • F02D41/0072F02D41/047F02P5/1516Y02T10/46Y02T10/47
    • A control system for an internal combustion engine estimates an amount of adherent fuel adhering to the inner surface of the intake passage, as well as an amount of carried-off fuel evaporated form fuel adhering to the inner surface of the intake passage and carried into combustion chambers, determines an amount of supply fuel to be supplied to the engine, based upon operating conditions of the engine, the estimated adherent fuel amount, and the estimated carried-off fuel amount, and supplies the determined supply fuel amount into the intake passage. The control system calculates an amount of exhaust gases to be recirculated from the exhaust passage to the intake passage, and corrects the estimated adherent fuel amount and the estimated carried-off fuel amount, based upon the calculated exhaust gas recirculating amount, based upon the calculated exhaust gas recirculating amount. Advantageously, the exhaust gas recirculating amount is calculated based upon dynamic characteristics of an exhaust gas recirculation control valve and those of exhaust gases being recirculated.
    • 用于内燃机的控制系统估计粘附在进气通道的内表面上的附着燃料的量以及附着在进气通道的内表面上并被运载到燃烧中的燃料蒸发的燃料蒸发量 根据发动机的运行条件,估计的粘附燃料量和估计的排出燃料量,确定供给到发动机的供给燃料的量,并将确定的供给燃料量供给到进气通道中。 控制系统计算要从排气通道再循环到进气通道的废气量,并基于计算出的废气再循环量来校正估计的粘附燃料量和估计的排出燃料量, 废气循环量。 有利地,基于废气再循环控制阀的动态特性和被再循环的废气的动态特性来计算废气再循环量。
    • 6. 发明授权
    • Fuel injection control system for internal combustion engines
    • 内燃机燃油喷射控制系统
    • US5629853A
    • 1997-05-13
    • US398082
    • 1995-03-03
    • Ken OgawaKei Machida
    • Ken OgawaKei Machida
    • F02D45/00F02B75/02F02D41/04F02D41/10F02D41/34F02D41/26
    • F02D41/047F02B2075/025F02B2275/18F02D2400/04
    • A fuel injection control system for an internal combustion engine comprises an ECU which calculates a direct supply ratio and a carry-off ratio, and detects a predetermined operating condition of the engine in which an increased amount of fuel is to be supplied to the engine. When the predetermined operating condition is detected, a plurality of fuel injection amounts to be sequentially injected by at least one fuel injection valve are calculated based on operating conditions of the engine, the direct supply ratio and the carry-off ratio. Then, an amount of fuel adhering to the intake system of the engine is calculated based on the total sum of the calculated plurality of fuel injection amounts, as well as on the calculated direct supply ratio and the calculated carry-off ratio. At least one of the calculated plurality of fuel injection amounts is corrected based on the calculated amount of fuel adhering to the intake system. Then, at least one fuel injection valve is controlled to sequentially carry out a plurality of fuel injections in one operating cycle of the engine, based on the calculated plurality of fuel injection amounts including the at least one thereof corrected.
    • 一种用于内燃机的燃料喷射控制系统包括计算直接供给比和起动比的ECU,并且检测向发动机供应增加燃料量的发动机的预定操作状态。 当检测到预定操作条件时,根据发动机的运行条件,直接供给比和起动比来计算由至少一个燃料喷射阀依次喷射的多个燃料喷射量。 然后,基于计算出的多个燃料喷射量的总和以及计算出的直接供给比和计算出的关闭比计算附着在发动机的进气系统的燃料量。 所计算的多个燃料喷射量中的至少一个基于计算出的附着在进气系统上的燃料量来校正。 然后,基于计算出的包括其修正的至少一个的多个燃料喷射量,控制至少一个燃料喷射阀,以在发动机的一个操作循环中依次执行多个燃料喷射。
    • 7. 发明授权
    • Electromagnetically driven valve control system for internal combustion
engines
    • 内燃机用电磁阀控制系统
    • US5596956A
    • 1997-01-28
    • US573439
    • 1995-12-15
    • Ken OgawaKei MachidaHiroshi Sono
    • Ken OgawaKei MachidaHiroshi Sono
    • F01L9/04F02D13/02F02N11/08
    • F02D41/042F01L9/04F02D13/0215F02N11/08F02D2041/001F02D41/062F02N2300/2011Y02T10/18
    • An electromagnetically driven valve control system for an internal combustion engine having at least one intake valve and at least one exhaust valve, and a starter for starting cranking of the engine. A CPU controls an energization time/timing control circuit section to electromagnetically drive at least one of the at least one intake valve and the at least one exhaust valve. The CPU detects a starting signal indicative of starting of the cranking of the engine, and a timer measures a time period elapsed after the starting signal is detected. An inhibiting time period is set, over which the operation of the starter means is inhibited, and the at least one of the at least one intake valve and the at least one exhaust valve is driven in a valve closing direction when the starting signal is detected. The operation of the starter is permitted when the time period elapsed after the starting signal is detected exceeds the inhibiting time period.
    • 一种用于具有至少一个进气门和至少一个排气阀的内燃机的电磁驱动阀控制系统和用于启动发动机起动的起动器。 CPU控制通电时间/定时控制电路部分以电磁驱动至少一个进气门和至少一个排气阀中的至少一个。 CPU检测表示发动机起动的开始信号,并且定时器测量检测到启动信号之后经过的时间段。 设定禁止时间段,起动装置的操作被禁止,并且当检测到起动信号时,至少一个进气门和至少一个排气门中的至少一个在关闭方向被驱动 。 当检测到起动信号之后经过的时间超过禁止时间时,起动器的操作被允许。
    • 10. 发明授权
    • Ignition timing control system for internal combustion engines
    • 内燃机点火正时控制系统
    • US5509389A
    • 1996-04-23
    • US343104
    • 1994-11-22
    • Yoshikazu OshimaKen OgawaToshiyuki Nishida
    • Yoshikazu OshimaKen OgawaToshiyuki Nishida
    • F02D37/02F02D41/04F02D41/10F02D41/12F02D41/34F02D43/00F02P5/15
    • F02P5/1504F02D37/02F02D41/047F02D41/126F02B2275/18Y02T10/46
    • An ignition timing control system for an internal combustion engine is associated with a fuel injection amount control system for calculating an amount of fuel to be supplied to the engine, based on operating conditions of the engine, correcting the calculated amount of fuel, based on an adherent amount of fuel adhering to the inner wall surface of the intake passage, and a carried-off amount of fuel to be carried off from the adherent fuel into each combustion chamber of the engine, and injecting the corrected fuel amount into the intake passage. The ignition timing control system comprises an ECU which detects whether the engine has been recovered from a fuel cut state to a fuel supply state, and calculates ignition timing of the engine, based on operating conditions of the engine detected by engine operating parameter sensors, including pressure within the intake passage. A retard amount by which the ignition timing is to be retarded is calculated based on the detected operating conditions of the engine when it is detected that the engine has been recovered from the fuel cut state to the fuel supply state. Further, the ignition timing is corrected based on the calculated retard amount.
    • 一种用于内燃机的点火正时控制系统与用于计算供给到发动机的燃料量的燃料喷射量控制系统相关联,该燃料喷射量控制系统基于发动机的操作条件,基于 粘附在进气通道的内壁表面上的附着量的燃料,以及将从附着燃料排出到发动机的每个燃烧室中的燃料的排出量,并将校正的燃料量注入进气通道。 点火正时控制系统包括ECU,其检测发动机是否已经从燃料切断状态恢复到燃料供给状态,并且基于由发动机操作参数传感器检测到的发动机的运行状况来计算发动机的点火正时,包括 进气通道内的压力。 当检测到发动机已经从燃料切断状态恢复到燃料供给状态时,基于检测到的发动机的运行状况来计算点火正时延迟的延迟量。 此外,基于所计算的延迟量来校正点火正时。