Merging circuit of hydraulic apparatus
An object of the present invention is to solve such problems associated with a merging circuit using a pair of spool-type direction switching valves, in that the installation space of a hydraulic valve device increases and the processing that requires accuracy becomes complex. A merging circuit incl...
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| creator | KANENAWA YUYA ADOMI YUDAI MINE GENTA ORIMOTO SHUHEI |
| description | An object of the present invention is to solve such problems associated with a merging circuit using a pair of spool-type direction switching valves, in that the installation space of a hydraulic valve device increases and the processing that requires accuracy becomes complex. A merging circuit includes a direction switching valve that merges oil discharged from first and second pumps to supply the oil to an actuator; and a controller. The direction switching valve includes a central bypass oil path connected to the discharge oil paths of the first and second pumps, a first parallel supply oil path connected to the discharge oil path of the first pump, and a second parallel supply oil path connected to the discharge oil path of the second pump and connected to a first parallel oil path via a poppet-type flow regulating valve. The poppet-type flow regulating valve regulates the flow rate to a predetermined magnitude according to a signal of the controller. |
| format | Patent |
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A merging circuit includes a direction switching valve that merges oil discharged from first and second pumps to supply the oil to an actuator; and a controller. The direction switching valve includes a central bypass oil path connected to the discharge oil paths of the first and second pumps, a first parallel supply oil path connected to the discharge oil path of the first pump, and a second parallel supply oil path connected to the discharge oil path of the second pump and connected to a first parallel oil path via a poppet-type flow regulating valve. The poppet-type flow regulating valve regulates the flow rate to a predetermined magnitude according to a signal of 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>2015</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=20151028&DB=EPODOC&CC=CN&NR=105008626A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151028&DB=EPODOC&CC=CN&NR=105008626A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KANENAWA YUYA</creatorcontrib><creatorcontrib>ADOMI YUDAI</creatorcontrib><creatorcontrib>MINE GENTA</creatorcontrib><creatorcontrib>ORIMOTO SHUHEI</creatorcontrib><title>Merging circuit of hydraulic apparatus</title><description>An object of the present invention is to solve such problems associated with a merging circuit using a pair of spool-type direction switching valves, in that the installation space of a hydraulic valve device increases and the processing that requires accuracy becomes complex. 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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 | Merging circuit of hydraulic apparatus |
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