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    • 1. 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。