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    Two barrel carburetor
    4.
    发明授权
    Two barrel carburetor 失效
    两桶化油器

    公开(公告)号：US4065920A

    公开(公告)日：1978-01-03

    申请号：US663140

    申请日：1976-03-02

    申请人： Hidehiro Minami ,  Makio Waku

    发明人： Hidehiro Minami ,  Makio Waku

    IPC分类号： F02D35/00 ,  F02M7/24 ,  F02M11/02 ,  F02B75/10

    CPC分类号： F02D35/0084 ,  F02M11/02 ,  F02M7/24

    摘要： A two barrel carburetor is disposed in an intake system of an internal combustion engine having a catalytic converter in the exhaust system thereof. One of the barrels is a conventional carburetor barrel, while the other one of the barrels is provided with a fuel nozzle through which fuel is fed into the barrel, the amount of which being controlled by a fuel controller electronically receiving information signals from an exhaust gas composition sensor disposed in the exhaust system at a position upstream of the catalytic converter.

    摘要翻译： 在其排气系统中具有催化转化器的内燃机的进气系统中设置有双桶式化油器。 其中一个桶是常规的化油器筒，而另一个桶设置有燃料喷嘴，燃料通过该燃料喷嘴被供给到筒体中，燃料喷射器的数量由燃料控制器控制，该燃料控制器电子地从废气中接收信息信号 组成传感器，其设置在催化转化器上游位置的排气系统中。

    Air-fuel ratio control system
    6.
    发明授权
    Air-fuel ratio control system 失效
    空燃比控制系统

    公开(公告)号：US4416236A

    公开(公告)日：1983-11-22

    申请号：US333194

    申请日：1981-12-21

    申请人： Takuro Morozumi ,  Hitoshi Suzuki

    发明人： Takuro Morozumi ,  Hitoshi Suzuki

    IPC分类号： F02D41/14 ,  F02D35/00 ,  F02M3/09 ,  F02M7/24 ,  F02M11/00 ,  F02M11/02 ,  F02B33/00 ,  F02M7/00

    CPC分类号： F02M11/02 ,  F02D35/0084 ,  F02M3/09 ,  F02M7/24

    摘要： An air-fuel ratio control system for an internal combustion engine having a two-barrel carburetor comprising a primary side having a main metering system and a slow speed system and a secondary side having a main metering system. Two on-off electro-magnetic valves are provided for correcting the air to be supplied to air bleeds of both the primary and secondary sides for correcting air-fuel ratio of the air-fuel mixture supplied by the carburetor.A first passage is provided for connecting the slow speed system of the primary side to one of the electromagnetic valves, a second passage is adapted to connect the main metering system of the secondary side to the one of the electromagnetic valves; and a third passage is provided connecting the main metering system of the primary side to the other electromagnetic valve.A change-over valve is provided for changing the connection between the electromagnetic valve and first and second passages. The change-over valve is so arranged to normally communicate the electromagnetic valve with the first passage and to communicate the electromagnetic valve to the second passage when the secondary side becomes to operate upon heavy load.

    摘要翻译： 一种用于具有双桶化油器的内燃机的空燃比控制系统，其包括具有主计量系统和慢速系统的初级侧和具有主计量系统的次级侧。 提供两个开关电磁阀，用于校正供给到一次侧和二次侧的空气出口的空气，用于校正由化油器供应的空气燃料混合物的空燃比。 第一通道用于将初级侧的慢速系统连接到电磁阀之一，第二通道适于将次级侧的主计量系统连接到电磁阀之一; 并且提供将第一侧的主计量系统连接到另一电磁阀的第三通道。 提供转换阀，用于改变电磁阀和第一和第二通道之间的连接。 转换阀被布置成使电磁阀与第一通道正常连通，并且当次级侧在重负载下操作时，将电磁阀连通到第二通道。