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    • 3. 发明申请
    • CONTROL VALVE ARRANGEMENT
    • 控制阀装置
    • WO2004005702A1
    • 2004-01-15
    • PCT/GB2003/002668
    • 2003-06-20
    • DELPHI TECHNOLOGIES, INC.HARCOMBE, Anthony, T.WILLIAMS, AnthonyMALE, Andrew
    • HARCOMBE, Anthony, T.WILLIAMS, AnthonyMALE, Andrew
    • F02M59/46
    • F02M47/027F02M45/08F02M63/0015F02M63/0045F02M63/0056F02M63/0073F02M63/0078
    • A control valve arrangement for use in controlling fuel pressure within a control chamber (30) includes a control valve member (32) which is movable between a first position in which the control chamber (30) communicates with a source of high pressure fuel, and a second position in which the control chamber (30) communicates with a low pressure fuel drain and communication between the control chamber (30) and the source of high pressure fuel is broken. The control valve arrangement also includes restricted flow means (55, 70, 86) for restricting the rate of flow of fuel from the control chamber (30) to the low pressure fuel drain when the control valve member (32) is moved from the first position to the second position. It is desirable for the restricted flow means to be configured and arranged such the rate of flow of fuel from the source of high pressure fuel to the low pressure drain for the period of time for which the control valve member (32) is moving between the second position and the first position is also restricted.
    • 用于控制控制室(30)内的燃料压力的控制阀装置包括控制阀构件(32),该控制阀构件可在控制室(30)与高压燃料源连通的第一位置和 控制室(30)与低压燃料排出口连通并且控制室(30)与高压燃料源之间的连通的第二位置被破坏。 控制阀装置还包括限制流量装置(55,70,86),用于当控制阀构件(32)从第一阀门(32)移动时,限制燃料从控制室(30)到低压燃油排放的流量 位置到第二个位置。 期望的是,限制流动装置被构造和布置成使得燃料从高压燃料源流到低压排放管的流量在控制阀构件(32)在 第二个位置和第一个位置也受到限制。