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Patent Searching and Data


Title:
VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/150748
Kind Code:
A1
Abstract:
A valve device (100) is provided with: a relief valve (30F) which opens and releases operating fluid when pressure within a fluid pressure circuit (C3) reaches a predetermined pressure; a tank passage (15) connected to a tank (T); a main relief passage (169) which connects the relief valve (30F) and the tank passage (15); and a sub-relief passage (168) branching from the main relief passage (169) and connected to the tank passage (15) separately from the main relief passage (169).

Inventors:
TERAO, Takeshi (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
FUJII, Atsushi (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
YOSHIDA, Nobuyoshi (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
Application Number:
JP2018/044392
Publication Date:
August 08, 2019
Filing Date:
December 03, 2018
Export Citation:
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Assignee:
KYB CORPORATION (World Trade Center Bldg, 4-1 Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
International Classes:
F15B11/00; F16K27/00; F16K47/02
Foreign References:
JP2013249896A2013-12-12
EP0716234A21996-06-12
JP2008014405A2008-01-24
JPS4873323U1973-09-12
Attorney, Agent or Firm:
GOTOH & PARTNERS (Shoyu-Kaikan, 3-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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