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    Keep-hot catalytic converter
    4.
    发明授权
    Keep-hot catalytic converter 失效
    保温催化转化器

    公开(公告)号：US3911675A

    公开(公告)日：1975-10-14

    申请号：US45424574

    申请日：1974-03-25

    Applicant: GEN MOTORS CORP

    Inventor： MONDT JAMES R

    IPC: F01N3/20 ,  F01N3/22 ,  F01N3/28 ,  F01N3/32 ,  F01N3/36 ,  F01N3/38 ,  F01N3/14

    CPC classification number: F01N3/32 ,  F01N3/2033 ,  F01N3/22 ,  F01N3/2832 ,  F01N3/2846 ,  F01N3/36 ,  F01N3/38 ,  F01N2240/14 ,  F01N2270/10 ,  F01N2330/08 ,  F01N2610/08 ,  F01N2610/14 ,  F01N2610/1453 ,  Y02A50/2322 ,  Y02T10/26

    Abstract: In an automobile having an internal combustion engine whose exhaust is passed through a catalytic converter for decreasing the discharge of products of combustion, a converter heating system to maintain the catalytic converter at a predetermined temperature so that it is effective upon engine start-up to diminish products of combustion. The converter heating system includes in combination a small pump which draws an air-fuel vapor mixture from the fuel tank, an igniter and a pilot burner which is mounted on the converter. Dilution air is mixed with the air-fuel vapor in the pilot burner and ignited by a spark pluglike device which is powered by a vibrator coil system.

    Abstract translation: 在具有内燃机的汽车中，其内燃机的排气通过用于减少燃烧产物排放的催化转化器，用于将催化转化器维持在预定温度的转炉加热系统，使其在发动机启动时有效 燃烧产物。 转换器加热系统包括从燃料箱抽取空气 - 燃料蒸汽混合物的小型泵，安装在转炉上的点火器和引燃燃烧器。 稀释空气与引燃燃烧器中的空气 - 燃料蒸气混合，并被由振动器线圈系统供电的火花塞式装置点燃。

    Carburetor enrichment system
    6.
    发明授权
    Carburetor enrichment system 失效
    化油器浓缩系统

    公开(公告)号：US3888223A

    公开(公告)日：1975-06-10

    申请号：US46050774

    申请日：1974-04-12

    Applicant: GEN MOTORS CORP

    Inventor： MONDT JAMES R

    IPC: F02M1/16 ,  F02M25/08 ,  F02M17/08 ,  F02B77/00 ,  F02N17/00

    CPC classification number: F02M25/089 ,  F02M1/16

    Abstract: An air fuel supply system for an internal combustion engine has a carburetor connected to the intake manifold of an engine with a plurality of large diameter vapor ports formed below the carburetor throttle. A vapor pump draws hydrocarbon vapors and air from the gas tank and from a fuel vapor evaporative control canister having a vent opening thereto and an inlet connected to a vent conduit from the top of the gas tank. The vapor pump is operated during cold engine start to direct a precharge of vaporized fuel and air through the unrestricted vapor ports into the intake manifold for improving cold start operation and emissions.

    Abstract translation: 用于内燃机的空气燃料供应系统具有连接到具有形成在化油器节流阀下方的多个大直径蒸汽端口的发动机的进气歧管的化油器。 蒸气泵从气罐吸取碳氢化合物蒸气和空气，并从其上有通风口的燃料蒸汽蒸发控制罐和从气罐顶部连接到通风管道的入口。 蒸汽泵在冷启动发动机期间运行，以将蒸发的燃料和空气预先通过不受限制的蒸气端口进入进气歧管，以改善冷启动运行和排放。

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