发明名称 |
Hydraulic control apparatus |
摘要 |
A hydraulic control apparatus having two groups and formed by combination of actuator circuits on large flow rate side (a boom cylinder circuit and an arm cylinder circuit) and actuator circuits on small flow rate side (a bucket cylinder circuit and a rotating motor circuit), for independent supply of hydraulic fluid. In these groups, a bucket preferential valve and a rotating preferential valve form bucket cylinder preferential and rotating motor preferential circuit constitutions.
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申请公布号 |
US5813312(A) |
申请公布日期 |
1998.09.29 |
申请号 |
US19960653300 |
申请日期 |
1996.05.24 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO |
发明人 |
ARAI, SEIGO;KOBAYASHI, TAKAHIRO |
分类号 |
E02F9/22;F15B11/16;F15B13/06;(IPC1-7):F15B11/042 |
主分类号 |
E02F9/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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