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    • 7. 发明申请
    • FUEL INJECTION VALVE
    • 燃油喷射阀
    • US20130277453A1
    • 2013-10-24
    • US13994879
    • 2010-12-20
    • Tatsuo Kobayashi
    • Tatsuo Kobayashi
    • F02M55/00
    • F02M55/00F02M61/163
    • A fuel injection valve includes: a nozzle body having an injection aperture in a tip portion thereof; a needle that is slidably located in the nozzle body, forms a fuel introduction path between the needle and the nozzle body, and is seated on a seat portion in the nozzle body; a swirling flow generation portion that is located more upstream than the seat portion, and imparts a swirl with respect to a sliding direction of the needle to fuel introduced from the fuel introduction path; and a swirl velocity increasing portion that is located more downstream than the seat portion, and supplies fuel to the injection aperture while producing an air plume by increasing a swirl velocity of a swirling flow generated in the swirling flow generation portion.
    • 燃料喷射阀包括:喷嘴体,其顶端部具有喷射孔; 可滑动地位于喷嘴主体中的针在针和喷嘴体之间形成燃料导入路径,并且位于喷嘴体的座部上; 旋转流产生部,其位于比所述座部更上游的位置,并且使所述针相对于从所述燃料导入路引入的燃料的滑动方向发生旋转; 以及旋转速度增加部分,其位于比座部更下游的位置,并且通过增加在旋流产生部分中产生的旋流的旋转速度而产生空气羽流而向喷射孔提供燃料。
    • 9. 发明授权
    • Control device of charge compression ignition-type internal combustion engine
    • 充气压缩式点火式内燃机控制装置
    • US07628013B2
    • 2009-12-08
    • US11130195
    • 2005-05-17
    • Hidefumi AikawaTatsuo KobayashiFumito Chiba
    • Hidefumi AikawaTatsuo KobayashiFumito Chiba
    • F01N7/00
    • F02B77/085F02B77/086F02D13/0215F02D41/0002
    • A control device is applied to a multi-cylinder 4-cycle charge compression ignition-type internal combustion engine. The control device operates to open an exhaust valve in an exhaust stroke of each cylinder, operates to close an intake valve before an intake bottom dead center, and then, operates to open the exhaust valve again before the intake bottom dead center. An exhaust flow rate regulating valve is disposed in a collecting portion of an exhaust path and its opening is controlled. Hereby, a period in which the exhaust valve is open in an intake stroke of one cylinder and a period in which the exhaust valve is open in an exhaust stroke of another cylinder partially overlap each other. Combustion gas pushed out of a combustion chamber of the other cylinder in the overlapping period is pushed into a combustion chamber of the one cylinder via the exhaust path.
    • 将控制装置应用于多气缸4循环充气压缩点火式内燃机。 控制装置操作以在每个气缸的排气冲程中打开排气阀,在进气下止点之前操作以关闭进气阀,然后在进气下止点之前再次打开排气阀。 废气流量调节阀设置在排气路径的收集部分中,并且其开口被控制。 因此,排气门在一个气缸的进气冲程中打开的时段和排气阀在另一个气缸的排气冲程中打开的时段部分地彼此重叠。 在重叠期间从另一个气缸的燃烧室推出的燃烧气体经由排气路径被推入一个气缸的燃烧室。