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    • 1. 发明授权
    • Molten metal discharge nozzle
    • 熔融金属排放喷嘴
    • US08469243B2
    • 2013-06-25
    • US12816713
    • 2010-06-16
    • Arito MizobeHideaki KawabeManabu Kimura
    • Arito MizobeHideaki KawabeManabu Kimura
    • B67D3/00
    • B22D41/50
    • Provided is a molten metal discharge nozzle capable of suppressing turbulence in a molten metal stream passing through an inner bore thereof, with a simple structure. A cross-sectional shape of a wall surface of the inner bore, taken along an axis of the inner bore, comprises a part or an entirety of a curved line expressed by the following formula: log(r(z))=(1/n)×log((Hc+L)/(Hc+z))+log(r(L)) (1), where: 6≧n≧1.5; L is a length of the nozzle; Hc is a calculative hydrostatic head; and r(z) is a radius of the inner bore at a position located a distance z downward from an upper end of the nozzle, wherein, in a graph where the distance z is plotted with respect to a horizontal axis (X-axis) thereof, and a pressure of molten metal at a center of the inner bore in horizontal cross-section at a position located the distance z is plotted with respect to a vertical axis (Y-axis) thereof, an approximation formula of a line on the graph is established without simultaneously including two or more coefficients having opposite signs, and wherein, on an assumption that the line is derived from an approximation formula based on a linear regression, an absolute value of a correlation coefficient of the line is 0.95 or more.
    • 提供一种能够以简单的结构抑制通过其内孔的熔融金属流中的湍流的熔融金属排出喷嘴。 沿着内孔的轴线截取的内孔的壁面的横截面形状包括由下式表示的曲线的一部分或全部:log(r(z))=(1 / n)×log((Hc + L)/(Hc + z))+ log(r(L))(1)其中:6> = n> = 1.5; L是喷嘴的长度; Hc是计算静压头; 并且r(z)是位于从喷嘴上端向下一定距离z的位置处的内孔的半径,其中,在相对于水平轴(X轴)绘制距离z的曲线图中, 并且在位于距离z的位置处的水平横截面的内孔中心处的熔融金属的压力相对于其垂直轴(Y轴)绘制,在该方向上的线的近似公式 在没有同时包含具有相反符号的两个或更多个系数的情况下建立图形,并且其中,假设线是基于线性回归的近似公式导出的,则线的相关系数的绝对值为0.95以上。
    • 2. 发明申请
    • MOLTEN METAL DISCHARGE NOZZLE
    • US20110017784A1
    • 2011-01-27
    • US12816713
    • 2010-06-16
    • Arito MIZOBEHideaki KawabeManabu Kimura
    • Arito MIZOBEHideaki KawabeManabu Kimura
    • B22D41/50
    • B22D41/50
    • Provided is a molten metal discharge nozzle capable of suppressing turbulence in a molten metal stream passing through an inner bore thereof, with a simple structure. A cross-sectional shape of a wall surface of the inner bore, taken along an axis of the inner bore, comprises a part or an entirety of a curved line expressed by the following formula: log(r(z))=(1/n)×log((Hc+L)/(Hc+z))+log(r(L)) (1), where: 6≧n≧1.5; L is a length of the nozzle; Hc is a calculative hydrostatic head; and r(z) is a radius of the inner bore at a position located a distance z downward from an upper end of the nozzle, wherein, in a graph where the distance z is plotted with respect to a horizontal axis (X-axis) thereof, and a pressure of molten metal at a center of the inner bore in horizontal cross-section at a position located the distance z is plotted with respect to a vertical axis (Y-axis) thereof, an approximation formula of a line on the graph is established without simultaneously including two or more coefficients having opposite signs, and wherein, on an assumption that the line is derived from an approximation formula based on a linear regression, an absolute value of a correlation coefficient of the line is 0.95 or more.
    • 提供一种能够以简单的结构抑制通过其内孔的熔融金属流中的湍流的熔融金属排出喷嘴。 沿着内孔的轴线截取的内孔的壁面的横截面形状包括由下式表示的曲线的一部分或全部:log(r(z))=(1 / n)×log((Hc + L)/(Hc + z))+ log(r(L))(1)其中:6≥n≥1.5; L是喷嘴的长度; Hc是计算静压头; 并且r(z)是位于从喷嘴上端向下一定距离z的位置处的内孔的半径,其中,在相对于水平轴(X轴)绘制距离z的曲线图中, 并且在位于距离z的位置处的水平横截面的内孔中心处的熔融金属的压力相对于其垂直轴(Y轴)绘制,在该方向上的线的近似公式 在没有同时包含具有相反符号的两个或更多个系数的情况下建立图形,并且其中,假设线是基于线性回归的近似公式导出的,则线的相关系数的绝对值为0.95以上。
    • 3. 发明申请
    • Single cylinder engine with ternary catalyst in exhaust passage and vehicle provided with same
    • 具有排气通道中的三元催化剂的单缸发动机和具有其的车辆
    • US20070028598A1
    • 2007-02-08
    • US11197917
    • 2005-08-05
    • Yorio FutakuchiAkihiko OokuboHideaki Kawabe
    • Yorio FutakuchiAkihiko OokuboHideaki Kawabe
    • F01N3/00F01N3/10
    • F02D41/123F02D9/10F02D2200/0404F02D2200/0414Y02T10/22
    • A single cylinder engine includes an engine body having a combustion chamber, an intake opening and an exhaust opening which face toward the combustion chamber, an intake passage in communication with the combustion chamber through the intake opening, and an exhaust passage in communication with the combustion chamber through the exhaust opening, an intake valve that opens and closes the intake opening, an exhaust valve that opens and closes the exhaust opening, an injector that injects a fuel toward the intake opening and into the intake passage, a ternary catalyst provided in the exhaust passage, and an engine control unit (ECU) that performs a decelerated operation to selectively execute a cycle for injection of a fuel from the injector, a quantity of which makes an air-fuel ratio in the combustion chamber substantially equal to a theoretical air fuel ratio, and a cycle for inhibition of fuel injection from the injector.
    • 单缸发动机包括具有燃烧室,进气开口和面向燃烧室的排气口的发动机主体,与燃烧室通过进气口连通的进气通道和与燃烧连通的排气通道 通过排气口的入口阀,打开和关闭进气口的进气阀,打开和关闭排气口的排气阀,向进气通道喷射燃料并进入进气通道的喷射器,设置在该进气口中的三元催化剂 排气通道和执行减速操作以选择性地执行用于从喷射器喷射燃料的循环的发动机控制单元(ECU),其量使燃烧室中的空燃比基本上等于理论空气 燃料比,以及用于抑制来自喷射器的燃料喷射的循环。
    • 6. 发明授权
    • Internal combustion engine with ignition plug and vehicle provided with the same
    • 具有火花塞和车辆的内燃机配备相同
    • US07137380B1
    • 2006-11-21
    • US11197891
    • 2005-08-05
    • Akihiko OokuboYorio FutakuchiHideaki Kawabe
    • Akihiko OokuboYorio FutakuchiHideaki Kawabe
    • F02B31/04
    • F02B31/06Y02T10/146
    • An internal combustion engine includes a cylinder having a cylinder inner surface, a cylinder head that cooperates with the cylinder inner surface to define a combustion chamber and has a head inner surface including an intake opening through which an intake gas is introduced into the combustion chamber, an intake valve that opens and closes the intake opening, an ignition plug provided on the cylinder head, and an intake drifting mechanism that causes the intake gas to drift toward an axis of the cylinder in the intake opening and generates a vortex flow in the combustion chamber. When the intake valve is opened, a minimum gap between the intake valve and the head inner surface is equal to or larger than a gap between the intake valve and the cylinder inner surface in a diametrical direction of the cylinder.
    • 内燃机包括具有气缸内表面的气缸,与气缸内表面配合以限定燃烧室的气缸盖,具有包括进气口的头部内表面,进气口通过该进气口引入燃烧室, 用于打开和关闭进气开口的进气门,设置在气缸盖上的火花塞,以及进气漂流机构,其使得进气在进气口中朝向气缸的轴线漂移,并在燃烧中产生涡流 房间。 当进气门打开时,进气门和头内表面之间的最小间隙等于或大于气缸直径方向上进气门和气缸内表面之间的间隙。
    • 9. 发明授权
    • Single cylinder engine with ternary catalyst in exhaust passage and vehicle provided with same
    • 具有排气通道中的三元催化剂的单缸发动机和具有其的车辆
    • US07526915B2
    • 2009-05-05
    • US11197917
    • 2005-08-05
    • Yorio FutakuchiAkihiko OokuboHideaki Kawabe
    • Yorio FutakuchiAkihiko OokuboHideaki Kawabe
    • F01N3/00
    • F02D41/123F02D9/10F02D2200/0404F02D2200/0414Y02T10/22
    • A single cylinder engine includes an engine body having a combustion chamber, an intake opening and an exhaust opening which face toward the combustion chamber, an intake passage in communication with the combustion chamber through the intake opening, and an exhaust passage in communication with the combustion chamber through the exhaust opening, an intake valve that opens and closes the intake opening, an exhaust valve that opens and closes the exhaust opening, an injector that injects a fuel toward the intake opening and into the intake passage, a ternary catalyst provided in the exhaust passage, and an engine control unit (ECU) that performs a decelerated operation to selectively execute a cycle for injection of a fuel from the injector, a quantity of which makes an air-fuel ratio in the combustion chamber substantially equal to a theoretical air fuel ratio, and a cycle for inhibition of fuel injection from the injector.
    • 单缸发动机包括具有燃烧室,进气开口和面向燃烧室的排气口的发动机主体,与燃烧室通过进气口连通的进气通道和与燃烧连通的排气通道 通过排气口的入口阀,打开和关闭进气口的进气阀,打开和关闭排气口的排气阀,向进气通道喷射燃料并进入进气通道的喷射器,设置在该进气口中的三元催化剂 排气通道和执行减速操作以选择性地执行用于从喷射器喷射燃料的循环的发动机控制单元(ECU),其量使燃烧室中的空燃比基本上等于理论空气 燃料比,以及用于抑制来自喷射器的燃料喷射的循环。