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Title:
FLUIDIC SYSTEM
Document Type and Number:
WIPO Patent Application WO/2015/111120
Kind Code:
A1
Abstract:
A fluidic system (1A) according to one aspect of the present invention includes an actuator (5), an operating valve (6), and a spool valve (4). The spool valve (4) is connected to a pressure source (21) and a tank (23) by a pressure source line (31) and a tank line (32), respectively, and is connected to the actuator (5) by a first operation line (51) and a second operation line (52). The spool valve (4) moves an amount which corresponds to a pilot pressure outputted from the operating valve (6), from a neutral position to an operation position at which the pressure source line (31) is connected to the first operation line (51) and the second operation line (52) is connected to the tank line (32). A relief line (7) is branched from the second operation line (52), and the relief line (7) connects to the tank (23). The relief line (7) is provided with a variable throttle valve (71).

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Inventors:
KONDO AKIHIRO
ITO MAKOTO
FUJIYAMA KAZUTO
Application Number:
PCT/JP2014/006424
Publication Date:
July 30, 2015
Filing Date:
December 24, 2014
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
E02F9/22; F15B11/02; F15B11/08
Foreign References:
JP2005140153A2005-06-02
JP2013204223A2013-10-07
JP2000009102A2000-01-11
JP2003182982A2003-07-03
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Patent business corporation Owner old patent firm (JP)
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