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    • 26. 发明授权
    • DRUCKREGELVENTIL
    • 压力调节器
    • EP0790909B1
    • 1999-04-21
    • EP95937009.9
    • 1995-10-26
    • Continental Teves AG & Co. oHG
    • FEIGEL, Hans-JörgKLEIN, AndreasNEUMANN, UlrichSCHIEL, Lothar
    • B60T8/50B60T8/36G05D16/20
    • B60T15/028B60T8/3635B60T8/364B60T8/365B60T8/5025B60T8/5093Y10T137/86919
    • The invention concerns a pressure control valve having a valve tappet (2) which is disposed in the valve housing (1) so as to be axially movable and, in a first switching position, produces a pressure medium connection between a first pressure medium port (5) opening into the valve housing (1) and a second pressure medium port (6) opening into the valve housing (1). In a second switching position, the valve tappet (2) interrupts the pressure medium connection between the first pressure medium port (5) and the second pressure medium port (6) and, in a third switching position, produces a pressure medium connection between the second pressure medium port (6) and a third pressure medium port (17). To this end, a valve closure member (18), which can be axially displaced by the valve tappet (2), is raised off its valve seat. A further valve closure member (3) is disposed in the valve housing (1) so as to be displaceable relative to the valve tappet (2) and, in a first actuating position of the valve tappet (2), produces an unobstructed pressure medium connection between the first pressure medium port (5) and the second pressure medium port (6). In a further actuating position, the valve closure member (3) interrupts the pressure medium connection between the first and second pressure medium ports (5, 6). In the first actuating position, the valve closure member (3) has a valve opening cross-section which constantly adjusts the pressure medium volume flow between the first and second pressure medium ports (5, 6).