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Title:
LOAD-SENSING VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/072322
Kind Code:
A1
Abstract:
A compensator spool (CS) of a load-sensing valve device (100) has a pressure chamber (21), a compensator throttle part (a), a pressure introduction chamber (29), a pressure introduction port (32), a maximum load pressure introduction chamber (22), and a selective valve (30). A groove (32b) is formed around the pressure introduction port (32), and the compensator spool (CS) in the course of movement experiences relative motion with respect to a passage (25) through which the groove (32b) communicates with the actuator side, reducing the opening area of the pressure introduction port (32).

Inventors:
MIZUKAMI SHOTA (JP)
TERAO TAKESHI (JP)
MATSUURA AKIO (JP)
Application Number:
PCT/JP2015/080276
Publication Date:
May 12, 2016
Filing Date:
October 27, 2015
Export Citation:
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Assignee:
KYB CORP (JP)
International Classes:
F15B11/00
Foreign References:
JP2014009777A2014-01-20
JP2009204086A2009-09-10
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
Masaki Goto (JP)
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