WORKING FLUID SUPPLY DEVICE AND ELECTRIC ACTUATOR
PROBLEM TO BE SOLVED: To provide a working fluid supply device capable of supplying a high pressure working fluid at a low electrical current and an electric actuator capable of exhibiting large force at a low electrical current.SOLUTION: The electric actuator 1 includes the working fluid supply dev...
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| creator | MAKINO NAOHIRO |
| description | PROBLEM TO BE SOLVED: To provide a working fluid supply device capable of supplying a high pressure working fluid at a low electrical current and an electric actuator capable of exhibiting large force at a low electrical current.SOLUTION: The electric actuator 1 includes the working fluid supply device 10 and an actuator 20 actuated in response to an input of working fluid output from a variable displacement pump 12. The working fluid supply device 10 includes an adjustable-speed motor 11, the variable displacement pump 12 driven by the adjustable-speed motor 11 and capable of ejecting the working fluid, an electric motor control unit 13 controlling the adjustable-speed motor 11 to achieve an intended rotation speed, and a pump control unit 14 controlling the variable displacement pump 12 so that the ejection volume of the variable displacement pump 12 decreases with an increase in the ejection pressure of the variable displacement pump 12. |
| format | Patent |
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The working fluid supply device 10 includes an adjustable-speed motor 11, the variable displacement pump 12 driven by the adjustable-speed motor 11 and capable of ejecting the working fluid, an electric motor control unit 13 controlling the adjustable-speed motor 11 to achieve an intended rotation speed, and a pump control unit 14 controlling the variable displacement pump 12 so that the ejection volume of the variable displacement pump 12 decreases with an increase in the ejection pressure of the variable displacement pump 12.</description><language>eng</language><subject>BLASTING ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; HEATING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; WEAPONS</subject><creationdate>2013</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=20130221&DB=EPODOC&CC=JP&NR=2013036616A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130221&DB=EPODOC&CC=JP&NR=2013036616A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MAKINO NAOHIRO</creatorcontrib><title>WORKING FLUID SUPPLY DEVICE AND ELECTRIC ACTUATOR</title><description>PROBLEM TO BE SOLVED: To provide a working fluid supply device capable of supplying a high pressure working fluid at a low electrical current and an electric actuator capable of exhibiting large force at a low electrical current.SOLUTION: The electric actuator 1 includes the working fluid supply device 10 and an actuator 20 actuated in response to an input of working fluid output from a variable displacement pump 12. The working fluid supply device 10 includes an adjustable-speed motor 11, the variable displacement pump 12 driven by the adjustable-speed motor 11 and capable of ejecting the working fluid, an electric motor control unit 13 controlling the adjustable-speed motor 11 to achieve an intended rotation speed, and a pump control unit 14 controlling the variable displacement pump 12 so that the ejection volume of the variable displacement pump 12 decreases with an increase in the ejection pressure of the variable displacement pump 12.</description><subject>BLASTING</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>HEATING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAM9w_y9vRzV3DzCfV0UQgODQjwiVRwcQ3zdHZVcPRzUXD1cXUOCfJ0VnB0Dgl1DPEP4mFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgaGxgbGZmaGZo7GRCkCAKAgJvc</recordid><startdate>20130221</startdate><enddate>20130221</enddate><creator>MAKINO NAOHIRO</creator><scope>EVB</scope></search><sort><creationdate>20130221</creationdate><title>WORKING FLUID SUPPLY DEVICE AND ELECTRIC ACTUATOR</title><author>MAKINO NAOHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2013036616A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2013</creationdate><topic>BLASTING</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>HEATING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MAKINO NAOHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MAKINO NAOHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>WORKING FLUID SUPPLY DEVICE AND ELECTRIC ACTUATOR</title><date>2013-02-21</date><risdate>2013</risdate><abstract>PROBLEM TO BE SOLVED: To provide a working fluid supply device capable of supplying a high pressure working fluid at a low electrical current and an electric actuator capable of exhibiting large force at a low electrical current.SOLUTION: The electric actuator 1 includes the working fluid supply device 10 and an actuator 20 actuated in response to an input of working fluid output from a variable displacement pump 12. The working fluid supply device 10 includes an adjustable-speed motor 11, the variable displacement pump 12 driven by the adjustable-speed motor 11 and capable of ejecting the working fluid, an electric motor control unit 13 controlling the adjustable-speed motor 11 to achieve an intended rotation speed, and a pump control unit 14 controlling the variable displacement pump 12 so that the ejection volume of the variable displacement pump 12 decreases with an increase in the ejection pressure of the variable displacement pump 12.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS |
| title | WORKING FLUID SUPPLY DEVICE AND ELECTRIC ACTUATOR |
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