Title:
CONTROL VALVE, FLUID SYSTEM, CONSTRUCTION MACHINE, AND ACTUATOR DRIVING CONTROL METHOD
Document Type and Number:
Japanese Patent JP2022065351
Kind Code:
A
Abstract:
To provide a control valve which can adjust a flow rate of a fluid to be supplied to an actuator with high accuracy, and to provide a fluid system, a construction machine, and an actuator driving control method.SOLUTION: An independent metering valve 2 according to an embodiment includes: a first meter-in spool 5; a second meter-in spool 6; and a bridge passage 30. The first meter-in spool 5 has a first meter-in passage 11 leading to a first pump 110A. The second meter-in spool 6 has a second meter-in passage 12 leading to a second pump 110B. The bridge passage 30 leads to the first meter-in passage 11 and the second meter-in passage 12 and leads to each port Hp, Rp of a hydraulic actuator 111.SELECTED DRAWING: Figure 2
Inventors:
IWASAKI HITOSHI
SHIGAKI TOMIO
MASATANI RYOMA
SHIGAKI TOMIO
MASATANI RYOMA
Application Number:
JP2020173871A
Publication Date:
April 27, 2022
Filing Date:
October 15, 2020
Export Citation:
Assignee:
NABTESCO CORP
International Classes:
F16K11/07; E02F9/22; F15B11/02
Attorney, Agent or Firm:
Sumio Tanai
Suzuki Shingo
Shu Oikawa
Suzuki Shingo
Shu Oikawa
Previous Patent: JPWO2022065350
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