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    • 138. 发明授权
    • Internal combustion engine equipped with catalytic converter
    • 内燃机装有催化转化器
    • US4099377A
    • 1978-07-11
    • US681176
    • 1976-04-28
    • Tooru YoshimuraHiroshi Kuroda
    • Tooru YoshimuraHiroshi Kuroda
    • F01N3/22F01N3/10
    • F01N3/222F01N3/22F01N3/227Y02T10/22
    • An internal combustion engine equipped with a catalytic converter for catalytically purifying the exhaust gases discharged from the combustion chambers of the engine. The oxygen-combustibles ratio of the exhaust gases introduced to the catalytic converter is normally controlled to a predetermined level suitable for the reaction within the catalytic converter in response to the composition of the exhaust gases upstream of the catalytic converter. However, the secondary air is continuously supplied to the catalytic converter regardless of the oxygen-combustibles ratio of the exhaust gases during cold start or warmup of the engine to rapidly raise the temperature within the catalytic converter to a level over which the catalytic converter effectively functions.
    • 配备有用于催化净化从发动机的燃烧室排出的废气的催化转化器的内燃机。 引入催化转化器的废气的氧气可燃比通常根据催化转化器上游的排气的组成控制在适于催化转化器内的反应的预定水平。 然而,二次空气连续地供给到催化转化器中,而不管发动机的冷起动或预热期间排气的氧气可燃比如何,将催化转化器内的温度快速升高至催化转化器有效起作用的水平 。