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    • 2. 发明授权
    • Controller for control at engine startup
    • 发动机启动控制器
    • US06843225B1
    • 2005-01-18
    • US10807839
    • 2004-03-24
    • Takashi Ise
    • Takashi Ise
    • F02P3/00F02D31/00F02D37/02F02D41/06F02D41/14F02D45/00F02P5/15F02P5/155F02P15/08F02M3/00
    • F02D41/064F02D31/005F02D37/02F02P5/1558F02P15/08Y02T10/42Y02T10/46
    • A control unit for engine startup includes a throttle valve, a bypass air quantity-regulating valve, an ignition coil, a bypass air quantity controller, an ignition timing feedback controller, and a multi-spark controller. The throttle valve is disposed in an intake passage of an engine to control intake air quantity. The bypass air quantity-regulating valve controls the air quantity in a bypass passage that bypasses the throttle valve. The ignition coil permits an ignition plug of a same cylinder of the engine to produce multi-sparking during one cycle. The bypass air quantity controller controls the bypass air quantity-regulating valve such that the engine speed is at a target engine speed. The ignition timing feedback controller performs feedback control for the ignition coil such that the ignition timing of the ignition plug is at a target ignition timing. The multi-spark controller controls the ignition coil such that the ignition plug performs multi-spark as necessary. In operation, the control unit reduces the amount of unused hydrocarbons and improves the drivability at startup of a cold engine.
    • 用于发动机起动的控制单元包括节流阀,旁通空气量调节阀,点火线圈,旁通空气量控制器,点火正时反馈控制器和多火花控制器。 节流阀设置在发动机的进气通道中以控制进气量。 旁通空气量调节阀控制绕过节流阀的旁路通路中的空气量。 点火线圈允许发动机相同气缸的火花塞在一个周期内产生多次火花。 旁通空气量控制器控制旁通空气量调节阀,使得发动机转速为目标发动机转速。 点火正时反馈控制器对点火线圈执行反馈控制,使得火花塞的点火正时为目标点火正时。 多火花控制器控制点火线圈,使火花塞根据需要进行多次火花。 在操作中,控制单元减少未使用的碳氢化合物的量,并且提高冷发动机起动时的驾驶性能。