Hydraulic control circuit for a priority and for a secondary hydraulic consumer
    1.
    发明授权
    Hydraulic control circuit for a priority and for a secondary hydraulic consumer 有权
    液压控制回路优先,二次液压消耗

    公开(公告)号:US06289675B1

    公开(公告)日:2001-09-18

    申请号:US09355412

    申请日:1999-07-27

    IPC分类号: F15B1300

    摘要: The invention concerns a hydraulic control circuit in which the pressure medium conveyed by a hydraulic pump of variable delivery (10) is fed, in each case via a metering aperture (17, 31), as a priority to a first hydraulic consumer (14) and only secondly to a second hydraulic consumer (15). A priority control system is now produced without additional delivery losses and with sufficient amounts of pressure medium being conveyed in that the valve member (48) of the priority valve (45) can be acted upon in the closure direction of the connection between the first connection (46) and the second connection (47) by a pressure prevailing in a line section (13) upstream of the first metering aperture (17).

    摘要翻译: 本发明涉及一种液压控制回路,其中由可变输送装置(10)的液压泵输送的压力介质在每种情况下经由计量孔(17,31)被输入,优先于第一液压消耗器(14) 而仅次于第二液压消耗器(15)。 优先控制系统现在在没有额外的输送损失的情况下产生,并且具有足够量的压力介质被输送,因为优先阀(45)的阀构件(48)能够在第一连接 (46)和第二连接(47)之间的压力通过在第一计量孔(17)上游的管线部分(13)中的压力。