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US 2025/0334190 A1Published application
Directional control valve device
AssigneeNabtesco Corporation
InventorsKosuke MIKAMI, Ryoma MASATANI
Life of this patent
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Abstract
A directional control valve device has: a plurality of spool valves; a first signal passage connected to the plurality of spool valves; and a second signal passage connected to the first signal passage at a connection site upstream from one or more of the plurality of spool valves for which shifting is to be detected.
Claims6
A directional control valve device comprising:
- a plurality of spool valves;
- a first signal passage connected to the plurality of spool valves;
- and
- a second signal passage connected to the first signal passage at a connection site upstream from one or more of the plurality of spool valves for which shifting is to be detected.
1 more element
Dependencies are inferred from the claim text.