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    • 2. 发明申请
    • Fuel system for internal combustion engine
    • 内燃机燃油系统
    • US20070221180A1
    • 2007-09-27
    • US11796048
    • 2007-04-26
    • Paul Hutchinson
    • Paul Hutchinson
    • F02M21/02
    • F02D41/0032F02D35/0092F02M1/165F02M25/08F02M31/186Y02T10/126
    • An internal combustion engine is supplied with combustion air via an inlet manifold. A throttle valve controls the amount of air admitted to the combustion chamber. A fuel injector is provided for injecting liquid fuel into the airflow in the inlet manifold downstream of the throttle valve. A vaporiser is located upstream of the throttle valve. Under light load conditions most if not all of the fuel required by the engine is supplied by the vaporiser. The throttle valve will accordingly be wider open, for any particular power output, than it would be if it controlled only combustion air. At high power outputs (typically after the throttle valve has reached a wide-open state) fuel is supplied by the injector 11 and the output of the vaporiser is reduced so that more air can be admitted to the cylinder for effective combustion of the liquid fuel supplied through the injector.
    • 内燃机通过入口歧管供给燃烧空气。 节流阀控制进入燃烧室的空气量。 燃料喷射器被提供用于将液体燃料喷射到节气门下游的进气歧管中的气流中。 蒸发器位于节流阀的上游。 在轻载条件下,发动机所需的大部分燃料都不是由蒸发器提供。 因此,对于任何特定的动力输出,节流阀将比仅控制燃烧空气时更宽敞开。 在高功率输出(通常在节气门已经达到宽开状态之后),燃料由喷射器11供应并且蒸发器的输出被减小,使得更多的空气可被允许进入气缸以有效燃烧液体燃料 通过注射器供应。