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    • 1. 发明专利
    • Air blast injector
    • AIR BLAST INJECTOR
    • JP2011149417A
    • 2011-08-04
    • JP2010234572
    • 2010-10-19
    • Denso Corp株式会社デンソー
    • MOCHIZUKI KOICHIMIZOBUCHI TAKASHIOHATA KEIGO
    • F02M67/12F02M51/06F02M61/10
    • PROBLEM TO BE SOLVED: To provide an air blast injector which actualizes fine-particle-size atomization from the beginning of the injection of a second injector without impairing the responsiveness of the second injector. SOLUTION: An air passage in a second movable core 11 is eliminated, and liquid fuel and pressure air are supplied from the upper end of a center hole 12 of a second needle 9. The pressure air guided to the lower side of the second movable core 11 is separated into outer periphery side pressure air which flows through a horizontal hole 17 to the downward direction of an outer periphery passage 15 and center side pressure air which flows to the downward direction of the center hole 12. When a second injection hole 7 is opened, the outer periphery side pressure air flows through a venturi part 18 while a pilot hole 20 sucks the liquid fuel out of the center hole 12 and the center side pressure air pushes the fuel from the center hole 12 via the pilot hole 20 to the venturi part 18. The liquid fuel guided from the pilot hole 20 to the venturi part 18 is instantly mixed with the outer periphery side pressure air flowing through the venturi part 18 to actualize fine-particle-size atomization from the beginning of injection. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种喷气喷射器,其从第二喷射器的喷射开始就实现细粒度雾化,而不损害第二喷射器的响应性。 解决方案:消除第二可动铁芯11中的空气通道,并从第二针9的中心孔12的上端供应液体燃料和压力空气。压力空气被引导到第二可动铁芯11的下侧 第二可动铁芯11被分离成外周侧的压缩空气,其流过水平孔17向外周通道15的向下方向流动,并且中心侧的压力空气向中心孔12的向下方向流动。当第二次注入 打开孔7,外周侧的压力空气流过文氏管部分18,同时先导孔20将液体燃料从中心孔12吸出,中心侧的压力空气经由引导孔从中心孔12推动燃料 从导向孔20向文丘里管部分18引导的液体燃料与流过文丘里管部分18的外周侧压力空气立即混合,以实现细粒子雾化器 离子从注射开始。 版权所有(C)2011,JPO&INPIT