发明名称 HYDRAULIC CONTROL DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a hydraulic control device without a responsive delay even when a spool hole of a compensator valve is deeply formed for eliminating a dimensional error. SOLUTION: A switching means 29 is provided between a load side pilot passage 21 and a selecting means 24, also this switching means 29 connects a surplus flow path 8, the surplus flow path 8 and the selecting means 24 are connected in a normal condition, communication of the load side pilot passage 21 with the selecting means 24 is interrupted, and communication of the surplus flow path 8 with the selecting means 24 is interrupted when a pilot switching valve 5 connected to a priority flow path 4 is switched, and the load side pilot passage 21 communicates with the selecting means 24.
申请公布号 JP2000145718(A) 申请公布日期 2000.05.26
申请号 JP19980321226 申请日期 1998.11.12
申请人 KAYABA IND CO LTD 发明人 OSHIMA KAZUMI
分类号 B66F9/22;F15B11/16;(IPC1-7):F15B11/16 主分类号 B66F9/22
代理机构 代理人
主权项
地址