HYDRAULIC DRIVE DEVICE OF POWER-OPERATED HYDRAULIC OPERATION MACHINE
When used for an electrically-operated hydraulic work machine that drives an actuator with a hydraulic pump driven by an electric motor and exercises load sensing control by controlling the rotation speed of the electric motor, the present invention increases the useful life of an electrical storage...
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| creator | MORI, Kazushige TAKAHASHI, Kiwamu NAKAMURA, Natsuki KISHIMOTO, Shingo TAKEBAYASHI, Yoshifumi |
| description | When used for an electrically-operated hydraulic work machine that drives an actuator with a hydraulic pump driven by an electric motor and exercises load sensing control by controlling the rotation speed of the electric motor, the present invention increases the useful life of an electrical storage device, which is an electrical power source for the electric motor, by suppressing the horsepower consumption of the hydraulic pump, prolongs the operating time of the electrically-operated hydraulic work machine, and reduces the size of the electric motor. The present invention uses a controller 50 to exercise load sensing control over a variable displacement main pump 2 by controlling the rotation speed of the electric motor 1, and provides the main pump 2 with a torque control device 17 that reduces the delivery rate of the main pump 2 when the delivery pressure of the main pump 2 increases, or provides the controller 50 with a control algorithm that performs the same function as the torque control device 17. |
| format | Patent |
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The present invention uses a controller 50 to exercise load sensing control over a variable displacement main pump 2 by controlling the rotation speed of the electric motor 1, and provides the main pump 2 with a torque control device 17 that reduces the delivery rate of the main pump 2 when the delivery pressure of the main pump 2 increases, or provides the controller 50 with a control algorithm that performs the same function as the torque control device 17.</description><language>eng ; fre ; ger</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>2018</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=20180418&DB=EPODOC&CC=EP&NR=2775150B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180418&DB=EPODOC&CC=EP&NR=2775150B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORI, Kazushige</creatorcontrib><creatorcontrib>TAKAHASHI, Kiwamu</creatorcontrib><creatorcontrib>NAKAMURA, Natsuki</creatorcontrib><creatorcontrib>KISHIMOTO, Shingo</creatorcontrib><creatorcontrib>TAKEBAYASHI, Yoshifumi</creatorcontrib><title>HYDRAULIC DRIVE DEVICE OF POWER-OPERATED HYDRAULIC OPERATION MACHINE</title><description>When used for an electrically-operated hydraulic work machine that drives an actuator with a hydraulic pump driven by an electric motor and exercises load sensing control by controlling the rotation speed of the electric motor, the present invention increases the useful life of an electrical storage device, which is an electrical power source for the electric motor, by suppressing the horsepower consumption of the hydraulic pump, prolongs the operating time of the electrically-operated hydraulic work machine, and reduces the size of the electric motor. The present invention uses a controller 50 to exercise load sensing control over a variable displacement main pump 2 by controlling the rotation speed of the electric motor 1, and provides the main pump 2 with a torque control device 17 that reduces the delivery rate of the main pump 2 when the delivery pressure of the main pump 2 increases, or provides the controller 50 with a control algorithm that performs the same function as the torque control device 17.</description><subject>BLASTING</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>DREDGING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>FOUNDATIONS</subject><subject>HEATING</subject><subject>HYDRAULIC ENGINEERING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>SOIL SHIFTING</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHDxiHQJcgz18XRWcAnyDHNVcHEN83R2VfB3UwjwD3cN0vUPcA1yDHF1UUAohAh5-vsp-Do6e3j6ufIwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknjXACNzc1NDUwMnQ2MilAAACAEraA</recordid><startdate>20180418</startdate><enddate>20180418</enddate><creator>MORI, Kazushige</creator><creator>TAKAHASHI, Kiwamu</creator><creator>NAKAMURA, Natsuki</creator><creator>KISHIMOTO, Shingo</creator><creator>TAKEBAYASHI, Yoshifumi</creator><scope>EVB</scope></search><sort><creationdate>20180418</creationdate><title>HYDRAULIC DRIVE DEVICE OF POWER-OPERATED HYDRAULIC OPERATION MACHINE</title><author>MORI, Kazushige ; TAKAHASHI, Kiwamu ; NAKAMURA, Natsuki ; KISHIMOTO, Shingo ; TAKEBAYASHI, Yoshifumi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2775150B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2018</creationdate><topic>BLASTING</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>DREDGING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>FOUNDATIONS</topic><topic>HEATING</topic><topic>HYDRAULIC ENGINEERING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>SOIL SHIFTING</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MORI, Kazushige</creatorcontrib><creatorcontrib>TAKAHASHI, Kiwamu</creatorcontrib><creatorcontrib>NAKAMURA, Natsuki</creatorcontrib><creatorcontrib>KISHIMOTO, Shingo</creatorcontrib><creatorcontrib>TAKEBAYASHI, Yoshifumi</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MORI, Kazushige</au><au>TAKAHASHI, Kiwamu</au><au>NAKAMURA, Natsuki</au><au>KISHIMOTO, Shingo</au><au>TAKEBAYASHI, Yoshifumi</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HYDRAULIC DRIVE DEVICE OF POWER-OPERATED HYDRAULIC OPERATION MACHINE</title><date>2018-04-18</date><risdate>2018</risdate><abstract>When used for an electrically-operated hydraulic work machine that drives an actuator with a hydraulic pump driven by an electric motor and exercises load sensing control by controlling the rotation speed of the electric motor, the present invention increases the useful life of an electrical storage device, which is an electrical power source for the electric motor, by suppressing the horsepower consumption of the hydraulic pump, prolongs the operating time of the electrically-operated hydraulic work machine, and reduces the size of the electric motor. The present invention uses a controller 50 to exercise load sensing control over a variable displacement main pump 2 by controlling the rotation speed of the electric motor 1, and provides the main pump 2 with a torque control device 17 that reduces the delivery rate of the main pump 2 when the delivery pressure of the main pump 2 increases, or provides the controller 50 with a control algorithm that performs the same function as the torque control device 17.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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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 | HYDRAULIC DRIVE DEVICE OF POWER-OPERATED HYDRAULIC OPERATION MACHINE |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-28T13%3A31%3A56IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=MORI,%20Kazushige&rft.date=2018-04-18&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EEP2775150B1%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |