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    • 1. 发明授权
    • Fluid injection valve
    • 流体注射阀
    • US6070812A
    • 2000-06-06
    • US335748
    • 1999-06-18
    • Yasuhide TaniYukio Mori
    • Yasuhide TaniYukio Mori
    • B05B1/30F02M51/06F02M51/08F02M61/18F02M69/04F02M61/00
    • F02M69/044F02M51/0671F02M61/1853F02M69/042
    • A fluid injection valve includes a valve seat having a conical concave surface and a valve seat surface, a needle having an edge surface and an annular contact surface whose diameter is Ds, an orifice plate having a perforated surface disposed in a downstream portion at a distance h from the edge surface of the needle and at a distance H from valve seat surface. Thus, a fluid chamber is defined by the perforated surface of the orifice plate, the edge surface of the needle and the conical concave surface of the valve seat. The perforated surface has a plurality of first orifices having a diameter d on a first circle whose diameter is DH. The fluid chamber is formed to have the following relationships among the diameters Ds, DH, d and the distances h, H: 1.5
    • 流体喷射阀包括具有锥形凹面和阀座表面的阀座,具有边缘表面的针和直径为Ds的环形接触表面,具有设置在距离的下游部分中的穿孔表面的孔板 h,距离针阀座表面距离为H。 因此,流体室由孔板的穿孔表面,针的边缘表面和阀座的锥形凹表面限定。 穿孔表面具有多个在直径为DH的第一圆上具有直径d的第一孔。 流体室形成为在直径Ds,DH,d和距离h,H:1.5
    • 3. 发明授权
    • Fluid injection valve
    • 流体注射阀
    • US5931391A
    • 1999-08-03
    • US942479
    • 1997-10-02
    • Yasuhide TaniYukio Mori
    • Yasuhide TaniYukio Mori
    • B05B1/30F02M51/06F02M51/08F02M61/18F02M69/04
    • F02M69/044F02M51/0671F02M61/1853F02M69/042
    • A fluid injection valve includes a valve seat having a conical concave surface and a valve seat surface, a needle having an edge surface and an annular contact surface whose diameter is Ds, an orifice plate having a perforated surface disposed in a downstream portion at a distance h from the edge surface of the needle and at a distance H from valve seat surface. Thus, a fluid chamber is defined by the perforated surface of the orifice plate, the edge surface of the needle and the conical concave surface of the valve seat. The perforated surface has a plurality of first orifices having a diameter d on a first circle whose diameter is DH. The fluid chamber is formed to have the following relationships among the diameters Ds, DH, d and the distances h, H: 1.5
    • 流体喷射阀包括具有锥形凹面和阀座表面的阀座,具有边缘表面的针和直径为Ds的环形接触表面,具有设置在距离的下游部分中的穿孔表面的孔板 h,距离针阀座表面距离为H。 因此,流体室由孔板的穿孔表面,针的边缘表面和阀座的锥形凹表面限定。 穿孔表面具有多个在直径为DH的第一圆上具有直径d的第一孔。 流体室形成为在直径Ds,DH,d和距离h,H之间具有以下关系:1.5
    • 5. 发明授权
    • Fuel supply system for use with internal combustion engine
    • 燃油供应系统用于内燃机
    • US5666920A
    • 1997-09-16
    • US193852
    • 1994-02-09
    • Yoshihiko ItoYasuhide Tani
    • Yoshihiko ItoYasuhide Tani
    • F02M51/08F02M69/00F02M69/04F02M69/08
    • F02M69/047F02M69/044F02M69/08
    • The present invention makes it possible to obtain good characteristics of forming sprays of fuel jetted through a plurality of injection ports of a fuel injection valve with respect to separation of sprays in different directions, atomization, jetting angles and penetrating force.Fuel jetted through the injection ports of the fuel injection valve is jetted in separate jets from a plurality of fuel flow separating holes of a sleeve nozzle. On the other hand, band-like assist air flows are jetted in a two-dimensional manner from slit-like air holes opened on the opposite sides of the fuel flow separating holes to impinge obliquely against the jetted fuel. Atomization of fuel jetted through the plurality of fuel flow separating holes is thereby promoted and fuel sprays are accurately separated and supplied independently in two directions toward two intake valves while the directions of jets from the injection ports of the fuel injection valve are maintained, thus injecting and supplying fuel. As a result, an amount of fuel impinging directly against walls which separates and forms two intake ports is reduced and an amount of atomized sprayed fuel directly entering a combustion chamber from the intake ports is therefore increased, thereby improving combustion characteristics.
    • 本发明可以获得通过燃料喷射阀的多个注射口喷射的燃料的喷雾的良好特性,其特征在于相对于不同方向上的喷雾分离,雾化,喷射角度和穿透力。 通过燃料喷射阀的喷射口喷射的燃料从与套管喷嘴的多个燃料流分离孔分离的射流喷射。 另一方面,带状辅助空气流从在燃料流分离孔的相对侧开口的狭缝状气孔以二维方式喷射,倾斜地抵靠喷射燃料。 从而促进通过多个燃料流分离孔喷射的燃料的雾化,并且燃料喷射被精确地分离并且在朝向两个进气门的两个方向上独立供应,同时保持来自燃料喷射阀的喷射口的喷射方向,从而注入 并供应燃料。 结果,直接撞击分隔并形成两个进气口的壁的燃料量减少,因此从进气口直接进入燃烧室的雾化喷雾燃料的量增加,从而提高燃烧特性。
    • 9. 发明授权
    • Fuel injection valve
    • 燃油喷射阀
    • US07066408B2
    • 2006-06-27
    • US10826355
    • 2004-04-19
    • Tomojiro SugimotoKeiso TakedaShigeo FurunoKimitaka SaitoYasuhide TaniAtsuya OkamotoTakehiko KatoTatsushi Nakashima
    • Tomojiro SugimotoKeiso TakedaShigeo FurunoKimitaka SaitoYasuhide TaniAtsuya OkamotoTakehiko KatoTatsushi Nakashima
    • B05B1/26F02M61/00
    • F02M61/1846F02M61/162F02M61/1833F02M61/1853
    • There is provided a fuel injection valve in which nozzle holes are formed on a metering plate and fuel flowing on a face of the metering plate on the upstream side is injected outside of a face of the metering plate on the downstream side through the nozzle holes. The fuel injection valve includes a vortex flow generator means for changing a flow of fuel passing in each nozzle hole into a vortex flow, wherein the vortex flow generator means is provided on the upstream side of the metering plate. The vortex flow means is a vortex flow generator groove provided on an upper face of the metering plate and connected with a wall face of an entrance of the nozzle hole, and a main stream of fuel flowing in the groove is directed to a position shifted from the center of the nozzle hole. Alternatively, the vortex flow means is a protrusion formed on an upper face of the metering plate. A flow of fuel is changed into a vortex flow in the nozzle hole and injected from the nozzle hole. Therefore, fuel can be excellently atomized and diffused as a megaphone-shape without being formed into a liquid column spray.
    • 提供了一种燃料喷射阀,其中在计量板上形成喷嘴孔,并且在上游侧的计量板的表面上流动的燃料通过喷嘴孔被喷射到下游侧的计量板的表面之外。 燃料喷射阀包括用于将通过每个喷嘴孔的燃料流改变为涡流的涡流发生器装置,其中涡流产生装置设置在计量板的上游侧。 涡流装置是设置在计量板的上表面上并与喷嘴孔的入口的壁面连接的涡流发生器槽,并且在槽中流动的主燃料流被引导到从 喷嘴孔的中心。 或者,涡流装置是形成在计量板的上表面上的突起。 燃料流变成喷嘴孔中的涡流并从喷嘴孔喷出。 因此,燃料可以作为扩音器形状而被非常雾化和扩散,而不会形成液柱喷雾。
    • 10. 发明授权
    • Fuel injection nozzle
    • 燃油喷嘴
    • US06186418B1
    • 2001-02-13
    • US09386480
    • 1999-08-31
    • Yasuhide Tani
    • Yasuhide Tani
    • F02M5900
    • F02M61/1853F02M51/0671
    • Twelve injection holes formed on an injection hole member are separated into two groups, each one of the two groups has six injection holes for forming a spray. Each injection hole is formed such that its injected fuel flow path center diverges from an injection center axis as fuel advances in an injection direction. Respective injected fuel flow path centers diverge from each other as fuel advances in the injection direction. Accordingly, fuel injected from the injection holes do not collide each other and form sprays. Thus, the spray is uniformly atomized, and a deviation of the spray direction is prevented.
    • 在喷孔构件上形成的12个喷射孔分成两组,两组中的每一个具有六个用于形成喷雾的喷射孔。 每个喷射孔形成为使得当喷射燃料沿着喷射方向前进时,其喷射的燃料流动路径中心从喷射中心轴线分叉。 当燃料在喷射方向上前进时,各喷射燃料流路中心彼此分开。 因此,从喷射孔喷出的燃料不会相互碰撞而形成喷雾。 因此,喷雾均匀雾化,并且防止了喷射方向的偏离。