Title:
SPOOL VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/056647
Kind Code:
A1
Abstract:
A spool valve device is provided with a valve body (B), actuator ports (34, 35), a spool (37), a supply passage (33), and a regeneration flow passage (45) formed in the spool (37). The inlet (46) of the regeneration flow passage (45) is always in communication with the actuator port (35). When the spool (37) is at a regeneration switching position located away a predetermined movement amount from a neutral position, the outlet (47) of the regeneration flow passage (45) is in communication with the actuator port (34) through the supply passage (33). When the spool (37) is at a position other than the regeneration switching position, the communication between the outlet (47) and the actuator port (34) is interrupted.
Inventors:
MATSUURA AKIO (JP)
Application Number:
PCT/JP2016/071016
Publication Date:
April 06, 2017
Filing Date:
July 15, 2016
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
F15B11/024; F16K3/26; F16K11/07
Foreign References:
| JP2001304202A | 2001-10-31 | |||
| JPS466889Y1 | 1971-03-11 | |||
| JPH05215102A | 1993-08-24 | |||
| JPH09210006A | 1997-08-12 |
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
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