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    • 9. 发明申请
    • DEVICE FOR RAPIDLY BUILDING-UP PRESSURE IN A DEVICE OF A MOTOR VEHICLE, SAID DEVICE BEING SUPPLIED WITH A PRESSURE MEDIUM BY MEANS OF A FEED PUMP
    • 设备进行快速压力下,在建筑与汽车的压力介质供电设备泵
    • WO01027467A1
    • 2001-04-19
    • PCT/DE2000/001726
    • 2000-05-27
    • F02M55/02F02M59/42F02M63/02
    • F02M59/18F02M59/42F02M63/0225
    • The invention relates to a device (1) for rapidly building-up pressure in a device of a motor vehicle, especially in a storage injection system (common rail) (4) that is supplied with fuel by a high-pressure feed pump, whereby said device is supplied with a pressure medium by means of a feed pump. The inventive device comprises a piston (40) which defines a pressure chamber (44) that can be enlarged against the force of a spring element (50) which is prestressed against the piston. The pressure chamber is connected to the feed pump (2) and the device (4) which is supplied with the pressure medium. According to the invention, a locking device (56, 64, 74) which acts upon the piston (40) is provided. The piston can be locked against the initial stress of the spring element (50) and, after unlocking, can be released into a position that reduces the pressure chamber (44), by means of said locking device and by virtue of the pressure built-up in the pressure chamber (44) by the feed pump (2). The system pressure is built-up all of a sudden by releasing the spring (50).
    • 本发明涉及一种用于快速建立压力的装置(1)中通过在与机动车辆的一个压力介质装置的进料泵,特别是通过高压进料泵(2)与供给的燃料蓄压喷射系统(共轨)提供的(4)包括一个活塞(40 )限制性enlargeable一个(反对对他50)压力腔(44),其与进料泵(2),并用通信的预应力弹簧元件的力与压力介质供应装置(4)。 本发明提供了在活塞(40)上作用的锁定装置(56,64,74)被提供,通过他在压力室中建立由于由馈送泵(2)(44)抵抗弹簧部件的偏置压力 (50)占据的锁定位置和可锁定在缩小处理解锁压力室(44)detensioned位置之后。 通过释放所述弹簧(50),所述系统的压力被突然建立。