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    • 167. 发明授权
    • Control device of internal combustion engine
    • 内燃机控制装置
    • US07290387B2
    • 2007-11-06
    • US11140921
    • 2005-06-01
    • Mamoru Yoshioka
    • Mamoru Yoshioka
    • F01N3/00
    • F02D41/123F02D2200/0802
    • A control device of an internal combustion engine suppressing catalyst deterioration by prohibiting fuel cuts, wherein the generation of odor from the catalyst after deceleration is suppressed. The control device is provided with a fuel cut executing device for stopping the supply of fuel to an internal combustion engine when a vehicle is in a decelerating state and a fuel cut prohibiting device for prohibiting a fuel cut when a temperature of a catalyst provided in an exhaust system is a predetermined temperature or more, wherein when a fuel cut is prohibited by the fuel cut prohibiting device when the vehicle decelerates in a predetermined period after an increased fuel operation is performed, the internal combustion engine is operated so that the combustion air-fuel ratio becomes lean in the decelerating state or in the decelerating state and its succeeding idling state.
    • 通过禁止燃料切断来抑制催化剂劣化的内燃机的控制装置,抑制了减速后来自催化剂的气味的产生。 控制装置设置有燃料切断执行装置,用于当车辆处于减速状态时停止向内燃机供应的燃料,以及用于在设置在减速状态的催化剂的温度下禁止燃料切断的燃料切断禁止装置 排气系统是预定温度以上,其中,当在执行增加的燃料操作之后的车辆在预定时间段内减速时,当燃料切断禁止装置禁止燃料切断时,内燃机被操作, 燃料比在减速状态或减速状态及其后续怠速状态下变得倾斜。
    • 168. 发明授权
    • Intake-negative-pressure-increasing apparatus for engine
    • 发动机进气负增压装置
    • US07174883B2
    • 2007-02-13
    • US11219705
    • 2005-09-07
    • Yukihiro SonodaMamoru Yoshioka
    • Yukihiro SonodaMamoru Yoshioka
    • B60T17/00F02D9/02
    • F02M23/02F02D9/1015F02D9/104F02D9/1055Y02T10/146
    • An intake-negative-pressure-increasing apparatus is disclosed, for use with an engine, and comprises a bypass passage extending from an intake pipe portion in the neighborhood of the throttle valve to an intake pipe portion downstream of the intake pipe portion in the neighborhood of the throttle valve. A negative pressure is generated by the air flowing through the bypass passage and is supplied to an actuator operated by the negative pressure as the driving power. At least one air inlet opening of the bypass passage open to the intake pipe portion in the neighborhood of the throttle valve is formed in the intake pipe in such a manner that as long as the opening degree of the throttle valve is within a specified range, a part of the air inlet opening is closed by the outer peripheral end surface of the throttle valve, and the area of the part of the air inlet opening not closed by the outer peripheral end surface of the throttle valve and kept open upstream of the throttle valve can be changed by adjusting the opening degree of the throttle valve.
    • 公开了一种用于发动机的进气负压增压装置,包括从节气门附近的进气管部分延伸到邻近进气管部分下游的进气管部分的旁通通道 的节流阀。 通过旁通通路的空气产生负压,作为驱动力供给到由负压工作的致动器。 在进气管中形成了在节流阀附近向进气管部分开放的旁路通路的至少一个进气口,只要节流阀的开度在规定范围内, 空气入口的一部分由节流阀的外周端面封闭,空气入口的一部分的面积不被节流阀的外周端面封闭,并且在节流阀的上游保持开度 可以通过调整节流阀的开度来改变阀门。