制御弁、油圧回路、油圧機器および建設機械

Title:

制御弁、油圧回路、油圧機器および建設機械

Document Type and Number:

Japanese Patent JP7449659

Kind Code:

B2

Abstract:

A control valve (30) comprises: a valve main body (40) having a spool hole (41) and at least a first port, a second port, and a common port connected to the spool hole (41); a first spool (60) movable in the spool hole (41) of the valve main body (40) and connecting the first port and the common port through the spool hole (41); and a second spool (70) movable in the spool hole (41) of the valve main body and connecting the second port and the common port.

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Inventors:

Hitoshi Iwasaki

Application Number:

JP2019160532A

Publication Date:

March 14, 2024

Filing Date:

September 03, 2019

Export Citation:

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Assignee:

Nabtesco Corporation

International Classes:

F16K11/10

Domestic Patent References:

JP2011163466A
JP2006312995A
JP201185191A
JP2005248785A

Foreign References:

WO2017164175A1

Attorney, Agent or Firm:

Hiroyuki Nagai
Yukitaka Nakamura
Satoru Asakura
Yukihiro Hotta

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