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    • 1. 发明授权
    • Diesel fuel injection nozzle
    • 柴油燃油喷嘴
    • US4406404A
    • 1983-09-27
    • US270635
    • 1981-06-04
    • Ippei HorinoYuzo TsumuraMasatoshi Iwata
    • Ippei HorinoYuzo TsumuraMasatoshi Iwata
    • F02M67/04F02B3/06F02M57/02F02M61/16F02M61/18F02M61/04
    • F02M61/16F02M57/021F02M61/162F02M61/18F02B3/06
    • A nozzle for the air injection of fuel into the combustion chamber of a diesel engine cylinder. Included is a plunger reciprocably mounted in a nozzle body to define an air chamber for receiving compressed air from the combustion chamber during the compression stroke of the piston in the engine cylinder. Formed integral with the plunger, a needle valve defines within the nozzle body a fuel chamber for receiving fuel to be injected. A nozzle tip secured to the nozzle body founds a premixing chamber open directly to the combustion chamber and further in communication with both air chamber and fuel chamber. Thus, upon descent of the plunger at the end of the compression stroke, the fuel from the fuel chamber is intimately premixed in the premixing chamber with the compressed air from the air chamber, prior to introduction into the combustion chamber.
    • 用于将燃料喷射到柴油发动机气缸的燃烧室中的喷嘴。 包括可往复运动地安装在喷嘴主体中的柱塞,以限定用于在发动机气缸内的活塞的压缩冲程期间从燃烧室接收压缩空气的空气室。 与柱塞形成一体,针阀在喷嘴体内限定用于接收要喷射的燃料的燃料室。 固定到喷嘴体上的喷嘴尖端形成一个直接与燃烧室相连的预混合室,并进一步与气室和燃料室连通。 因此,在压缩冲程结束时柱塞下降时,在引入燃烧室之前,来自燃料室的燃料在预混合室中与来自空气室的压缩空气紧密地预混合。