摘要 |
<p>A direction control valve device comprising a direction control valve made by providing in a valve block a main spool for establishing and/or shutting off communication between an input port, first and second actuator ports and first and second tank ports, and a pressure compensating valve made by providing in said valve block a check valve section and a pressure reducing valve section so that pressure oil in a pump port is pressure compensated with loading pressure to thereby be supplied to said input port, wherein a plurality of said valve blocks are connected to each other and respective first and second tank ports are made to communicate with respective pump ports, wherein a main input port is connected to one of said pump ports, and wherein one of said first and second tank ports is connected to a main tank port.</p> |
申请人 |
KABUSHIKI KAISHA KOMATSU SEISAKUSHO;ISHIHAMA, KAZUYOSHI,;IKEI, KAZUNORI,;UEHARA, KAZUO, |
发明人 |
ISHIHAMA, KAZUYOSHI,;IKEI, KAZUNORI,;UEHARA, KAZUO, |