Title:
MULTIPLE DIRECTIONAL CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2018/173843
Kind Code:
A1
Abstract:
Provided is a multiple directional control valve formed compact using a simple configuration. This multiple directional control valve (20) has a first directional control valve (30), a second directional control valve (40), and a third directional control valve (60). The second directional control valve and the third directional control valve each include three relief valves (43, 45, 63, 65) and/or lock valves (47, 67). The multiple directional control valve further has a first valve group (VG1), a second valve group (VG2), and a third valve group (VG3), which are arranged in sequence in a first direction d1. The first valve group includes two of the three relief valves and/or the lock valves of the second directional control valve. The second valve group includes one of the three relief valves and/or the lock valves of the second directional control valve, and also includes one of the three relief valves and/or the lock valves of the third directional control valve. The third valve group includes two of the three relief valves and/or the lock valves of the third directional control valve.
Inventors:
IWASAKI HITOSHI (JP)
Application Number:
PCT/JP2018/009624
Publication Date:
September 27, 2018
Filing Date:
March 13, 2018
Export Citation:
Assignee:
NABTESCO CORP (JP)
International Classes:
F15B11/00; F16K27/04
Foreign References:
| JPH06137302A | 1994-05-17 | |||
| JP2000291601A | 2000-10-20 |
Attorney, Agent or Firm:
NAGAI Hiroshi et al. (JP)
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