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Title:
TIMING ADJUSTMENT VALVE AND SUCKBACK VALVE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2023/002953
Kind Code:
A1
Abstract:
A timing adjustment valve (101) is provided with: a pilot body in which a first port, a second port, and a drive port are formed; a check valve mechanism (101b) that allows fluid to flow from the first port to the second port and prevents fluid from flowing from the second port to the first port; and a timing adjustment mechanism (101a) that opens and closes an internal flow path on the basis of supply and discharge of a drive fluid with respect to the drive port. The timing adjustment mechanism (101a) is arranged in parallel to the check valve mechanism (101b) in the internal flow path, and is configured to allow fluid to flow when the pressure of the drive fluid supplied to and discharged from the timing adjustment mechanism through the drive port is a preset value or less.

Inventors:
YOSHINO KENRO (JP)
KUMATABARA YUSUKE (JP)
Application Number:
PCT/JP2022/027896
Publication Date:
January 26, 2023
Filing Date:
July 15, 2022
Export Citation:
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Assignee:
ASAHI YUKIZAI CORP (JP)
International Classes:
F16K31/122; F16K23/00
Foreign References:
JP2017198284A2017-11-02
JP2010203618A2010-09-16
JP2016223498A2016-12-28
JPH10267147A1998-10-09
JPH10281335A1998-10-23
Attorney, Agent or Firm:
TAMBA, Masataka et al. (JP)
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