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    • 7. 发明授权
    • Fuel injection pump
    • 燃油喷射泵
    • US4671239A
    • 1987-06-09
    • US755651
    • 1985-07-16
    • Osamu HishinumaAkira MasudaToshihiko OhmoriMasahiko MiyakiEiji Takemoto
    • Osamu HishinumaAkira MasudaToshihiko OhmoriMasahiko MiyakiEiji Takemoto
    • F02M41/14F02M39/00
    • F02M41/1422
    • A fuel injection pump for an internal combustion engine has a shaft rotatable by the engine. The shaft is formed therein with a radial bore and an axial bore communicated therewith. Pumping plungers are slidably disposed in the radial bore to cooperate therewith to define a compression chamber and cyclically reciprocated to vary the volume of the compression chamber. An injection plunger is slidably disposed in the axial bore to divide the interior thereof into a first pressure chamber always communicated with the compression chamber and a second pressure chamber adapted to be communicated with a delivery port in a discharge stroke of the pump. The first and second pressure chambers are supplied with fuel in a suction stroke of the pump. The fuel in the second pressure chamber is discharged therefrom in the discharge stroke. A single solenoid valve is provided to control the fuel discharge timing and the quantity of fuel to be discharged from the pump.
    • 用于内燃机的燃料喷射泵具有可由发动机旋转的轴。 轴在其中形成有径向孔和与其连通的轴向孔。 抽吸柱塞可滑动地设置在径向孔中以与其配合以限定压缩室并循环往复运动以改变压缩室的体积。 注射柱塞可滑动地设置在轴向孔中以将其内部分成总是与压缩室连通的第一压力室和适于在泵的排出冲程中与输送口连通的第二压力室。 第一和第二压力室在泵的吸入冲程中被供给燃料。 第二压力室中的燃料在排放冲程中从其排出。 提供单个电磁阀以控制燃料排出正时和从泵排出的燃料量。
    • 9. 发明申请
    • HIGH PRESSURE PUMP
    • 高压泵
    • US20120180649A1
    • 2012-07-19
    • US13353719
    • 2012-01-19
    • Osamu HISHINUMATatsuro KOGA
    • Osamu HISHINUMATatsuro KOGA
    • F04B7/00
    • F04B1/0452F04B7/0076F04B53/1082
    • At least one choked flow passage communicates between one side of the movable member and the other side of the movable member and limits an amount of fuel, which passes from the one side of the movable member to the other side of the movable member, when the movable member is moved by an urging force of a relief spring toward a valve element. A larger amount of fuel, which is larger than the amount of fuel that is passable through the at least one choked flow passage, flows from a first return flow passage to a second return flow passage, when the movable member is moved toward the other side, which is opposite from the valve element, against the urging force of the relief spring.
    • 至少一个扼流流路在可动件的一侧和可移动件的另一侧之间连通,并限制了从活动件的一侧到可移动件的另一侧的燃料量, 可动构件通过释放弹簧的作用力向阀元件移动。 大于能够通过至少一个扼流流路的燃料量的燃料从第一返回流路流向第二返回流路时,当可动部件向另一侧移动时 ,其与阀元件相对,抵抗释放弹簧的推动力。
    • 10. 发明授权
    • High pressure pump
    • 高压泵
    • US08608456B2
    • 2013-12-17
    • US13353719
    • 2012-01-19
    • Osamu HishinumaTatsuro Koga
    • Osamu HishinumaTatsuro Koga
    • F04B49/00F02M41/00F02M37/04
    • F04B1/0452F04B7/0076F04B53/1082
    • At least one choked flow passage communicates between one side of the movable member and the other side of the movable member and limits an amount of fuel, which passes from the one side of the movable member to the other side of the movable member, when the movable member is moved by an urging force of a relief spring toward a valve element. A larger amount of fuel, which is larger than the amount of fuel that is passable through the at least one choked flow passage, flows from a first return flow passage to a second return flow passage, when the movable member is moved toward the other side, which is opposite from the valve element, against the urging force of the relief spring.
    • 至少一个扼流流路在可动件的一侧和可移动件的另一侧之间连通,并限制了从活动件的一侧到可移动件的另一侧的燃料量, 可动构件通过释放弹簧的作用力向阀元件移动。 大于能够通过至少一个扼流流路的燃料量的燃料从第一返回流路流向第二返回流路时,当可动部件向另一侧移动时 ,其与阀元件相对,抵抗释放弹簧的推动力。