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    • 10. 发明授权
    • Stratified charge internal combustion engine
    • 分层充气内燃机
    • US4981114A
    • 1991-01-01
    • US470895
    • 1990-01-26
    • Arnold O. Skopil
    • Arnold O. Skopil
    • F02B17/00F02B19/06F02B33/08
    • F02B19/06F02B17/00F02B33/08Y02T10/125
    • Each main cylinder (10) of an internal combustion engine is provided with a smaller idle cylinder (12). Pistons (14, 20) in the cylinders (10, 12) are operated substantially in unison and are driven by crank shafts (18, 24) which are mechanically connected (26). A fuel air charge is compressed within the idle cylinder (12). Then, it is ignited within an ignition passageway (60). The ignited mixture is injected into a center region of the combustion chamber (58) of the main cylinder (10). A relatively lean fuel-air mixture is delivered by a duct (54) into the combustion chamber (58) as a swirling stream. Air alone is delivered by duct (56) into the combustion chamber around the swirling fuel-air stream from duct (54). The ignited gases from passageway (60) ignites the fuel air mixture in combustion chamber (58). The volume of the idle cylinder (12) is sized to take in and compress only the volume of fuel-air mixture which is needed to produce the power for idling and in addition produce a high enough temperature to ignite the relatively lean fuel air mixture that is separately introduced into the combustion chamber (58) of the main cylinder (10).
    • 内燃机的每个主汽缸(10)设置有较小的空转气缸(12)。 气缸(10,12)中的活塞(14,20)基本上一致地操作并由机械连接的曲轴(18,24)驱动(26)。 燃料空气装料在空转缸(12)内被压缩。 然后,它在点火通道(60)内点燃。 将点燃的混合物注入主缸(10)的燃烧室(58)的中心区域。 相对贫的燃料 - 空气混合物通过管道(54)作为旋转流输送到燃烧室(58)中。 单独的空气通过管道(56)被输送到从管道(54)旋转的燃料 - 空气流周围的燃烧室中。 来自通道(60)的点燃气体点燃燃烧室(58)中的燃料空气混合物。 怠速气缸(12)的体积的尺寸被设计成仅吸收和压缩产生空转功率所需的体积的燃料 - 空气混合物,并且另外产生足够高的温度以点燃相对贫的燃料空气混合物, 被分别引入到主缸(10)的燃烧室(58)中。