JOINING CIRCUIT FOR HYDRAULIC DEVICE
PROBLEM TO BE SOLVED: To eliminate such problems that the use of a pair of spool type directional control valves for a joining circuit causes the installation site of a hydraulic valve device to be larger and work requiring accuracy to be more cumbersome.SOLUTION: The joining circuit includes a dire...
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| creator | KANENAWA HIRONARI IMOTO SHUHEI MINE GENTA YASUTOMI TAKEHIRO |
| description | PROBLEM TO BE SOLVED: To eliminate such problems that the use of a pair of spool type directional control valves for a joining circuit causes the installation site of a hydraulic valve device to be larger and work requiring accuracy to be more cumbersome.SOLUTION: The joining circuit includes a directional control valve 8 for joining discharge oil from a first pump 2 and that from a second pump 4 and supplying/discharging them to an actuator 6, and a controller 10. The directional control valve includes a center bypass oil path 14 connected to discharge oil paths of the first pump and the second pump, a first parallel supply oil path 16 connected to the discharge oil path of the first pump, and a second parallel supply oil path 20 connected to the discharge oil path of the second pump and connected to the first parallel oil path via a poppet type flow control valve 18. The poppet type flow control valve controls a flow so as to be a predetermined amount depending on a signal from the controller. |
| format | Patent |
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The directional control valve includes a center bypass oil path 14 connected to discharge oil paths of the first pump and the second pump, a first parallel supply oil path 16 connected to the discharge oil path of the first pump, and a second parallel supply oil path 20 connected to the discharge oil path of the second pump and connected to the first parallel oil path via a poppet type flow control valve 18. The poppet type flow control valve controls a flow so as to be a predetermined amount depending on a signal from the controller.</description><language>eng</language><subject>BLASTING ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; DREDGING ; FIXED CONSTRUCTIONS ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; FOUNDATIONS ; HEATING ; HYDRAULIC ENGINEERING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; SOIL SHIFTING ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; WEAPONS</subject><creationdate>2014</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140922&DB=EPODOC&CC=JP&NR=2014173614A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140922&DB=EPODOC&CC=JP&NR=2014173614A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KANENAWA HIRONARI</creatorcontrib><creatorcontrib>IMOTO SHUHEI</creatorcontrib><creatorcontrib>MINE GENTA</creatorcontrib><creatorcontrib>YASUTOMI TAKEHIRO</creatorcontrib><title>JOINING CIRCUIT FOR HYDRAULIC DEVICE</title><description>PROBLEM TO BE SOLVED: To eliminate such problems that the use of a pair of spool type directional control valves for a joining circuit causes the installation site of a hydraulic valve device to be larger and work requiring accuracy to be more cumbersome.SOLUTION: The joining circuit includes a directional control valve 8 for joining discharge oil from a first pump 2 and that from a second pump 4 and supplying/discharging them to an actuator 6, and a controller 10. The directional control valve includes a center bypass oil path 14 connected to discharge oil paths of the first pump and the second pump, a first parallel supply oil path 16 connected to the discharge oil path of the first pump, and a second parallel supply oil path 20 connected to the discharge oil path of the second pump and connected to the first parallel oil path via a poppet type flow control valve 18. 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The directional control valve includes a center bypass oil path 14 connected to discharge oil paths of the first pump and the second pump, a first parallel supply oil path 16 connected to the discharge oil path of the first pump, and a second parallel supply oil path 20 connected to the discharge oil path of the second pump and connected to the first parallel oil path via a poppet type flow control valve 18. The poppet type flow control valve controls a flow so as to be a predetermined amount depending on a signal from the controller.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DREDGING FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS FOUNDATIONS HEATING HYDRAULIC ENGINEERING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SOIL SHIFTING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS |
| title | JOINING CIRCUIT FOR HYDRAULIC DEVICE |
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