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    • 7. 发明授权
    • Spark-ignition internal combustion engine
    • 火花点火内燃机
    • US4834047A
    • 1989-05-30
    • US54905
    • 1987-05-27
    • Kazuhiro Ishigami
    • Kazuhiro Ishigami
    • F02B31/00F02D43/00F02P5/04F02P5/15F02P5/152
    • F02P5/1521F02P5/045F02P5/1523Y02T10/46
    • A spark-ignition internal combustion engine having an intake passageway diverging into first and second intake passage portions leading to combustion chambers of the engine. A blocking valve is movably disposed in the second intake passage portion and be adapted to close in a low engine load operating range while open in a high engine load operating range. The engine is provided with a control unit for controlling operation of the blocking valve and of a spark plug for each combustion chamber. Under the action of the control unit, spark timing of the spark plug is controlled to be advanced in the high engine load operating range relative to that in the low engine load operating range. Additionally, degree of such spark timing advance is reduced during a transition time period from initiation to completion of opening operation of the blocking valve. Degree of such spark timing advance reduction is controlled to vary with time lapse during the transition time period. Such control suppresses phenomena of too early spark timing during the transition time period, thereby preventing engine knock.
    • 一种火花点火式内燃机,其具有分流到通向发动机的燃烧室的第一和第二进气通道部分的进气通道。 阻塞阀可移动地设置在第二进气通道部分中,并且适于在低发动机负载工作范围内关闭,同时在高发动机负载运行范围内打开。 发动机设置有用于控制每个燃烧室的阻塞阀和火花塞的操作的控制单元。 在控制单元的作用下,相对于低发动机负载运行范围,火花塞的火花正时被控制在高发动机负载运行范围内。 此外,在从截止阀的打开操作的开始到完成的转变时间段期间,这种火花正时提前的程度减小。 控制这种火花定时提前降低的程度随着过渡时间段内的时间流逝而变化。 这种控制可以抑制过渡期间火花时间过早的现象,从而防止发动机爆震。
    • 9. 发明授权
    • Engine idle speed control system for automotive vehicle
    • 汽车发动机怠速控制系统
    • US5216895A
    • 1993-06-08
    • US940135
    • 1992-09-03
    • Nobuyuki KawaiIkutaro NojiMakoto FukubayashiShozo NakayamaNaoki NakadaKazuhiro IshigamiKazuya Takahashi
    • Nobuyuki KawaiIkutaro NojiMakoto FukubayashiShozo NakayamaNaoki NakadaKazuhiro IshigamiKazuya Takahashi
    • B60H1/32
    • B60H1/3208
    • In an engine idle speed control system associated with an air conditioner provided with an evaporator for evaporating a refrigerant compressed by a compressor actuated or deactuated by an engine near an evaporator freeze limit temperature, the engine idle speed is increased under consideration of thermal load applied to the compressor whenever the compressor is being actuated. The compressor 21 is deactuated when the temperature of air having passed through the evaporator 22 drops below a predetermined value, and actuated when the same temperature rises beyond another higher predetermined value. Whenever the compressor 21 has been deactuated, the time interval between the deactuation and the actuation of the compressor is measured. If the measured time interval is relatively short, since this indicates a relatively high thermal load applied to the compressor, the engine idle speed is increased. However, if the measured time interval is relatively long, since this indicates a relatively low thermal load, the engine idle speed is not increased, thus improving the fuel consumption rate and the compressor durability without frequently actuating and deactuating the compressor.
    • 在与具有蒸发器的空调机相关联的发动机空转速度控制系统中,蒸发器用于蒸发由靠近蒸发器冻结极限温度的发动机致动或停止的压缩机压缩的制冷剂,考虑到施加到 当压缩机被致动时的压缩机。 当已经通过蒸发器22的空气的温度下降到预定值以下时,压缩机21被停止,并且当相同的温度升高到超过另一较高的预定值时被致动。 每当压缩机21已经停用时,测量压缩机的停止和致动之间的时间间隔。 如果测量的时间间隔相对较短,由于这表示施加到压缩机的相对较高的热负荷,所以发动机怠速提高。 然而,如果测量的时间间隔相对较长,则由于这表示相对低的热负荷,所以发动机怠速不增加,从而在不频繁地驱动和停止压缩机的情况下提高燃料消耗率和压缩机的耐久性。