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    • 36. 发明授权
    • Fuel injection
    • 燃油喷射
    • US5054456A
    • 1991-10-08
    • US432030
    • 1989-11-06
    • William B. Rush, IIJack E. Elder
    • William B. Rush, IIJack E. Elder
    • F02M61/18F02M69/04F02M69/08
    • F02M61/1806F02M61/1853F02M69/044F02M69/047F02M69/08Y10S261/78
    • A fuel injection assembly for an engine comprises a fuel injector having an injector outlet and a nozzle having a nozzle passage with a nozzle inlet and outlet. The nozzle passage includes a converging portion adjacent the nozzle inlet and a diverging portion adjacent the nozzle outlet. The fuel injection assembly further comprises a nozzle support for attaching the nozzle to the fuel injector so that the injector outlet registers with the nozzle passage adjacent the nozzle inlet enabling injection of fuel from the fuel injector into the nozzle passage. The nozzle has a nozzle port adjacent the nozzle inlet enabling the establishment of an air flow which enters the nozzle passage adjacent the nozzle inlet and exits the nozzle passage through the nozzle outlet. At least a portion of the air flow in the nozzle passage is sonic enabling the fuel injected into the nozzle passage to mix with the sonic air flow and be carried by it through the nozzle passage and the nozzle outlet.
    • 用于发动机的燃料喷射组件包括具有喷射器出口的燃料喷射器和具有喷嘴入口和出口的喷嘴通道的喷嘴。 喷嘴通道包括与喷嘴入口相邻的会聚部分和与喷嘴出口相邻的发散部分。 燃料喷射组件还包括用于将喷嘴附接到燃料喷射器的喷嘴支撑件,使得喷射器出口与喷嘴入口相邻配准,使得能够将燃料从燃料喷射器喷射到喷嘴通道中。 喷嘴具有与喷嘴入口相邻的喷嘴端口,能够建立与喷嘴入口相邻的喷嘴通道的空气流,并通过喷嘴出口离开喷嘴通道。 喷嘴通道中的空气流的至少一部分是声音的,使得喷射到喷嘴通道中的燃料能够与声音空气流混合并通过喷嘴通道和喷嘴出口携带。