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Title:
FLUID PRESSURE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/138609
Kind Code:
A1
Abstract:
This fluid pressure control device (100) is provided with a switching valve (40), a main pilot passage (17), and a sub pilot passage (43). The switching valve (40) is switched to an open position (40b) when a work fluid has been supplied to a pilot chamber (41), and, with the opening of the downstream side of the switching valve (40) in a neutral passage (13), is switched to a throttle position (40c). A throttle part (44) is provided in the sub pilot passage (43), and a check valve (46) is provided parallel to the throttle part (44).

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Inventors:
KOJIMA MASANARI (JP)
NAKAMURA MASAYUKI (JP)
TERAO TAKESHI (JP)
Application Number:
PCT/JP2018/036401
Publication Date:
July 18, 2019
Filing Date:
September 28, 2018
Export Citation:
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Assignee:
KYB CORP (JP)
International Classes:
F15B11/08; B66F9/22; F15B11/16; F16K3/26; F16K15/06; F16K31/122
Foreign References:
JP2006298519A2006-11-02
JP2010111344A2010-05-20
JP2009019660A2009-01-29
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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