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7 条记录 (耗时 0.015 秒)

    Switching valve
    1.
    发明授权
    Switching valve 有权

    公开(公告)号：US09810243B2

    公开(公告)日：2017-11-07

    申请号：US14407981

    申请日：2013-08-09

    申请人： KAYABA INDUSTRY CO., LTD.

    发明人： Takeshi Terao ,  Masayuki Nakamura

    IPC分类号： F15B11/024 ,  F15B13/04 ,  E02F9/22 ,  F15B21/14 ,  F15B13/02

    CPC分类号： F15B11/024 ,  E02F9/2217 ,  F15B13/021 ,  F15B13/0403 ,  F15B21/14 ,  F15B2011/0246

    摘要： A switching valve includes a spool, a first cylinder port that communicates with the piston side chamber, a second cylinder port that communicates with the rod side chamber, a bridge passage having a first opening which is adjacent to the first cylinder port and a second opening which is adjacent to the second cylinder port, a regeneration passage formed in the spool to connect the second cylinder port communicating with the rod side chamber to the first cylinder port in accordance with a switching position of the spool, and a first communication port and a second communication port formed in the spool to communicate with the regeneration passage. The first communication port communicates with the second opening of the bridge passage, which is adjacent to the second cylinder port, and the second communication port communicates with the second cylinder port in accordance with the switching position of the spool.

    SWITCHING VALVE
    5.
    发明申请
    SWITCHING VALVE 有权
    开关阀

    公开(公告)号：US20150167699A1

    公开(公告)日：2015-06-18

    申请号：US14407981

    申请日：2013-08-09

    申请人： KAYABA INDUSTRY CO., LTD.

    发明人： Takeshi Terao ,  Masayuki Nakamura

    IPC分类号： F15B11/024 ,  F15B21/14 ,  E02F9/22

    CPC分类号： F15B11/024 ,  E02F9/2217 ,  F15B13/021 ,  F15B13/0403 ,  F15B21/14 ,  F15B2011/0246

    摘要： A switching valve includes a spool, a first cylinder port that communicates with the piston side chamber, a second cylinder port that communicates with the rod side chamber, a bridge passage having a first opening which is adjacent to the first cylinder port and a second opening which is adjacent to the second cylinder port, a regeneration passage formed in the spool to connect the second cylinder port communicating with the rod side chamber to the first cylinder port in accordance with a switching position of the spool, and a first communication port and a second communication port formed in the spool to communicate with the regeneration passage. The first communication port communicates with the second opening of the bridge passage, which is adjacent to the second cylinder port, and the second communication port communicates with the second cylinder port in accordance with the switching position of the spool.

    摘要翻译： 切换阀包括阀芯，与活塞侧室连通的第一气缸端口，与杆侧室连通的第二气缸端口，具有与第一气缸端口相邻的第一开口的桥接通道和第二开口 其与所述第二气缸端口相邻，形成在所述阀芯中的再生通路，其根据所述阀芯的切换位置将与所述杆侧室连通的所述第二气缸端口连接到所述第一气缸端口，以及第一连通口和 第二通信端口形成在线轴中以与再生通道连通。 第一通信端口与第二气缸端口相邻的桥接通道的第二开口连通，并且第二连通口根据阀芯的切换位置与第二气缸端口连通。

    FLUID PRESSURE CONTROL DEVICE FOR POWER SHOVEL
    6.
    发明申请
    FLUID PRESSURE CONTROL DEVICE FOR POWER SHOVEL 有权
    液压油压控制装置

    公开(公告)号：US20150285274A1

    公开(公告)日：2015-10-08

    申请号：US14441097

    申请日：2013-11-06

    申请人： KAYABA INDUSTRY CO., LTD.

    发明人： Masanari Kojima ,  Masayuki Nakamura ,  Takeshi Terao

    IPC分类号： F15B11/17 ,  E02F9/22

    CPC分类号： F15B11/17 ,  E02F9/2239 ,  E02F9/2282 ,  E02F9/2285 ,  E02F9/2292 ,  F15B11/167 ,  F15B2211/20576 ,  F15B2211/30595 ,  F15B2211/329 ,  F15B2211/7142

    摘要： A fluid pressure control device for a power shovel including first, second, and third pumps, a first switching valve connected to the first pump, a second switching valve connected to the second pump, a first merge control valve connected to the third pump, and a second merge control valve provided downstream of the first merge control valve, in which the first merge control valve is switched by a pilot pressure of the first switching valve or the second switching valve to enable communication between the third pump and a downstream side, and the second merge control valve is switched by a pilot pressure of the second switching valve to block communication between the third pump and the first switching valve.

    摘要翻译： 一种用于铲斗的流体压力控制装置，包括第一，第二和第三泵，连接到第一泵的第一切换阀，连接到第二泵的第二切换阀，连接到第三泵的第一合并控制阀，以及 设置在第一合并控制阀的下游的第二合并控制阀，其中通过第一切换阀或第二切换阀的先导压力来切换第一合并控制阀，以使得第三泵和下游侧之间能够连通;以及 第二合并控制阀由第二切换阀的先导压力切换以阻止第三泵和第一切换阀之间的连通。

    CONTROL VALVE APPARATUS OF POWER SHOVEL
    7.
    发明申请
    CONTROL VALVE APPARATUS OF POWER SHOVEL 有权
    电力控制阀装置

    公开(公告)号：US20150089935A1

    公开(公告)日：2015-04-02

    申请号：US14389279

    申请日：2013-03-18

    申请人： KAYABA INDUSTRY CO., LTD.

    发明人： Takeshi Fujiwara ,  Masayuki Nakamura ,  Chuka Sho

    IPC分类号： F15B11/042 ,  E02F9/22 ,  F15B11/17

    CPC分类号： F15B11/0426 ,  E02F9/2239 ,  E02F9/2267 ,  E02F9/2285 ,  E02F9/2292 ,  F15B11/17 ,  F15B2211/20576 ,  F15B2211/30565 ,  F15B2211/30595 ,  F15B2211/329 ,  F15B2211/355 ,  F15B2211/415 ,  F15B2211/428 ,  F15B2211/45 ,  F15B2211/7107 ,  F15B2211/7135 ,  F15B2211/7142 ,  F15B2211/75 ,  F15B2211/755 ,  F15B2211/781

    摘要： A control valve apparatus includes a second-working-actuator acceleration control valve connected to a first working control valve in parallel. The second-working-actuator acceleration control valve includes pilot chambers receiving a pilot pressure for switching first and second working control valves and a flow channel that guides a pressure fluid of a first pump port to an entrance port side of the second working control valve. The second-working-actuator acceleration control valve is switchable between a first priority position in which a pressure fluid is guided to the first working control valve with a higher priority than the second working control valve and a second priority position in which a pressure fluid is guided to the second working control valve with a higher priority than the first working control valve.

    摘要翻译： 控制阀装置包括并联连接到第一工作控制阀的第二工作致动器加速度控制阀。 第二加工执行器加速控制阀包括接收用于切换第一和第二工作控制阀的先导压力的引导室和将第一泵口的压力流体引导到第二工作控制阀的入口侧的流路。 第二工作执行器加速控制阀可以在其中将压力流体以比第二工作控制阀更高的优先级被引导到第一工作控制阀的第一优先位置和压力​​流体为第二优先位置之间切换 被引导到比第一工作控制阀更高优先级的第二工作控制阀。