Piezohydraulic Actuator
A piezohydraulic actuator system includes four chambers: a first chamber defined by a drive bellows filled with a hydraulic fluid and movable by a piezo actuator, a second chamber defined by a hydraulic cylinder filled with the hydraulic fluid, which defines a first output; a third chamber defined b...
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| creator | Bachmaier, Georg Vittorias, Iason Zöls, Wolfgang |
| description | A piezohydraulic actuator system includes four chambers: a first chamber defined by a drive bellows filled with a hydraulic fluid and movable by a piezo actuator, a second chamber defined by a hydraulic cylinder filled with the hydraulic fluid, which defines a first output; a third chamber defined by an output bellows filled with the hydraulic fluid, which defines a second output; and a fourth chamber defining a reservoir of the hydraulic fluid. The drive bellows is hydraulically connected via a first check valve to the second chamber. A hydraulic piston in the hydraulic cylinder is coupled mechanically to the output bellows. The drive bellows is hydraulically connected via a second check valve to the fourth chamber. The hydraulic fluid reservoir is hydraulically connected via a third check valve to the output bellows, and the hydraulic cylinder is hydraulically connected via a fourth check valve to the output bellows. |
| format | Patent |
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The drive bellows is hydraulically connected via a first check valve to the second chamber. A hydraulic piston in the hydraulic cylinder is coupled mechanically to the output bellows. The drive bellows is hydraulically connected via a second check valve to the fourth chamber. The hydraulic fluid reservoir is hydraulically connected via a third check valve to the output bellows, and the hydraulic cylinder is hydraulically connected via a fourth check valve to the output bellows.</description><language>eng</language><subject>BLASTING ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; GENERATION ; HEATING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; WEAPONS</subject><creationdate>2019</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=20190905&DB=EPODOC&CC=US&NR=2019271336A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190905&DB=EPODOC&CC=US&NR=2019271336A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Bachmaier, Georg</creatorcontrib><creatorcontrib>Vittorias, Iason</creatorcontrib><creatorcontrib>Zöls, Wolfgang</creatorcontrib><title>Piezohydraulic Actuator</title><description>A piezohydraulic actuator system includes four chambers: a first chamber defined by a drive bellows filled with a hydraulic fluid and movable by a piezo actuator, a second chamber defined by a hydraulic cylinder filled with the hydraulic fluid, which defines a first output; a third chamber defined by an output bellows filled with the hydraulic fluid, which defines a second output; and a fourth chamber defining a reservoir of the hydraulic fluid. The drive bellows is hydraulically connected via a first check valve to the second chamber. A hydraulic piston in the hydraulic cylinder is coupled mechanically to the output bellows. The drive bellows is hydraulically connected via a second check valve to the fourth chamber. The hydraulic fluid reservoir is hydraulically connected via a third check valve to the output bellows, and the hydraulic cylinder is hydraulically connected via a fourth check valve to the output bellows.</description><subject>BLASTING</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>GENERATION</subject><subject>HEATING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAPyEytys-oTClKLM3JTFZwTC4pTSzJL-JhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfGhwUYGhpZG5obGxmaOhsbEqQIActsjJQ</recordid><startdate>20190905</startdate><enddate>20190905</enddate><creator>Bachmaier, Georg</creator><creator>Vittorias, Iason</creator><creator>Zöls, Wolfgang</creator><scope>EVB</scope></search><sort><creationdate>20190905</creationdate><title>Piezohydraulic Actuator</title><author>Bachmaier, Georg ; Vittorias, Iason ; Zöls, Wolfgang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2019271336A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2019</creationdate><topic>BLASTING</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>GENERATION</topic><topic>HEATING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>Bachmaier, Georg</creatorcontrib><creatorcontrib>Vittorias, Iason</creatorcontrib><creatorcontrib>Zöls, Wolfgang</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bachmaier, Georg</au><au>Vittorias, Iason</au><au>Zöls, Wolfgang</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Piezohydraulic Actuator</title><date>2019-09-05</date><risdate>2019</risdate><abstract>A piezohydraulic actuator system includes four chambers: a first chamber defined by a drive bellows filled with a hydraulic fluid and movable by a piezo actuator, a second chamber defined by a hydraulic cylinder filled with the hydraulic fluid, which defines a first output; a third chamber defined by an output bellows filled with the hydraulic fluid, which defines a second output; and a fourth chamber defining a reservoir of the hydraulic fluid. The drive bellows is hydraulically connected via a first check valve to the second chamber. A hydraulic piston in the hydraulic cylinder is coupled mechanically to the output bellows. The drive bellows is hydraulically connected via a second check valve to the fourth chamber. The hydraulic fluid reservoir is hydraulically connected via a third check valve to the output bellows, and the hydraulic cylinder is hydraulically connected via a fourth check valve to the output bellows.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERATION HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS |
| title | Piezohydraulic Actuator |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-30T22%3A49%3A03IST&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=Bachmaier,%20Georg&rft.date=2019-09-05&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EUS2019271336A1%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 |