Sähköhydraulinen aktuaattori
An electrohydraulic actuator is provided, which comprises a working cylinder (22), having a piston (23) comprising a first and second piston surface (231, 232) displaceable in said working cylinder and two working chambers (24, 25) designed in the working cylinder (22) and bounded by the piston (23)...
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| creator | GÄSSLER, Hermann FRENZ, Stefan ENGELBERG, Ralph REIMIER, Stefan WALTER, Rainer MADER, Bernhard DIEHL, Udo MISCHKER, Karsten LERNBECHER, Rolf |
| description | An electrohydraulic actuator is provided, which comprises a working cylinder (22), having a piston (23) comprising a first and second piston surface (231, 232) displaceable in said working cylinder and two working chambers (24, 25) designed in the working cylinder (22) and bounded by the piston (23), as well as electric control valves. Of the two working chambers (24, 25), a first working chamber (24) that is permanently subject to high pressure is bounded by the first piston surface (231) and a second working chamber (25) is bounded by the larger second piston surface (232). The control valves alternately establish a connection of the second working chamber (25) to high pressure and low pressure. In order to achieve comprehensive options for controlling the piston (23) over the stroke path thereof, at least one of the connections of the second working chamber (25) to high and low pressure is established with a plurality of control valves, wherein both a plurality of high pressure control valves (30, 31) can establish the connection to high pressure and a plurality of low pressure control valves (32, 33) can establish the connection to low pressure. |
| format | Patent |
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Of the two working chambers (24, 25), a first working chamber (24) that is permanently subject to high pressure is bounded by the first piston surface (231) and a second working chamber (25) is bounded by the larger second piston surface (232). The control valves alternately establish a connection of the second working chamber (25) to high pressure and low pressure. In order to achieve comprehensive options for controlling the piston (23) over the stroke path thereof, at least one of the connections of the second working chamber (25) to high and low pressure is established with a plurality of control valves, wherein both a plurality of high pressure control valves (30, 31) can establish the connection to high pressure and a plurality of low pressure control valves (32, 33) can establish the connection to low pressure.</description><language>fin ; swe</language><subject>BLASTING ; CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; STEAM ENGINES ; WEAPONS</subject><creationdate>2016</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=20160715&DB=EPODOC&CC=FI&NR=126134B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160715&DB=EPODOC&CC=FI&NR=126134B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GÄSSLER, Hermann</creatorcontrib><creatorcontrib>FRENZ, Stefan</creatorcontrib><creatorcontrib>ENGELBERG, Ralph</creatorcontrib><creatorcontrib>REIMIER, Stefan</creatorcontrib><creatorcontrib>WALTER, Rainer</creatorcontrib><creatorcontrib>MADER, Bernhard</creatorcontrib><creatorcontrib>DIEHL, Udo</creatorcontrib><creatorcontrib>MISCHKER, Karsten</creatorcontrib><creatorcontrib>LERNBECHER, Rolf</creatorcontrib><title>Sähköhydraulinen aktuaattori</title><description>An electrohydraulic actuator is provided, which comprises a working cylinder (22), having a piston (23) comprising a first and second piston surface (231, 232) displaceable in said working cylinder and two working chambers (24, 25) designed in the working cylinder (22) and bounded by the piston (23), as well as electric control valves. Of the two working chambers (24, 25), a first working chamber (24) that is permanently subject to high pressure is bounded by the first piston surface (231) and a second working chamber (25) is bounded by the larger second piston surface (232). The control valves alternately establish a connection of the second working chamber (25) to high pressure and low pressure. In order to achieve comprehensive options for controlling the piston (23) over the stroke path thereof, at least one of the connections of the second working chamber (25) to high and low pressure is established with a plurality of control valves, wherein both a plurality of high pressure control valves (30, 31) can establish the connection to high pressure and a plurality of low pressure control valves (32, 33) can establish the connection to low pressure.</description><subject>BLASTING</subject><subject>CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJALPrwkI_vwtozKlKLE0pzMvNQ8hcTsktLExJKS_KJMHgbWtMSc4lReKM3NIO_mGuLsoZtakB-fWlyQmJyal1oS7-ZpaGRmaGzi5GRMWAUAP-Iltw</recordid><startdate>20160715</startdate><enddate>20160715</enddate><creator>GÄSSLER, Hermann</creator><creator>FRENZ, Stefan</creator><creator>ENGELBERG, Ralph</creator><creator>REIMIER, Stefan</creator><creator>WALTER, Rainer</creator><creator>MADER, Bernhard</creator><creator>DIEHL, Udo</creator><creator>MISCHKER, Karsten</creator><creator>LERNBECHER, Rolf</creator><scope>EVB</scope></search><sort><creationdate>20160715</creationdate><title>Sähköhydraulinen aktuaattori</title><author>GÄSSLER, Hermann ; FRENZ, Stefan ; ENGELBERG, Ralph ; REIMIER, Stefan ; WALTER, Rainer ; MADER, Bernhard ; DIEHL, Udo ; MISCHKER, Karsten ; LERNBECHER, Rolf</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_FI126134BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>fin ; swe</language><creationdate>2016</creationdate><topic>BLASTING</topic><topic>CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>GÄSSLER, Hermann</creatorcontrib><creatorcontrib>FRENZ, Stefan</creatorcontrib><creatorcontrib>ENGELBERG, Ralph</creatorcontrib><creatorcontrib>REIMIER, Stefan</creatorcontrib><creatorcontrib>WALTER, Rainer</creatorcontrib><creatorcontrib>MADER, Bernhard</creatorcontrib><creatorcontrib>DIEHL, Udo</creatorcontrib><creatorcontrib>MISCHKER, Karsten</creatorcontrib><creatorcontrib>LERNBECHER, Rolf</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GÄSSLER, Hermann</au><au>FRENZ, Stefan</au><au>ENGELBERG, Ralph</au><au>REIMIER, Stefan</au><au>WALTER, Rainer</au><au>MADER, Bernhard</au><au>DIEHL, Udo</au><au>MISCHKER, Karsten</au><au>LERNBECHER, Rolf</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Sähköhydraulinen aktuaattori</title><date>2016-07-15</date><risdate>2016</risdate><abstract>An electrohydraulic actuator is provided, which comprises a working cylinder (22), having a piston (23) comprising a first and second piston surface (231, 232) displaceable in said working cylinder and two working chambers (24, 25) designed in the working cylinder (22) and bounded by the piston (23), as well as electric control valves. Of the two working chambers (24, 25), a first working chamber (24) that is permanently subject to high pressure is bounded by the first piston surface (231) and a second working chamber (25) is bounded by the larger second piston surface (232). The control valves alternately establish a connection of the second working chamber (25) to high pressure and low pressure. In order to achieve comprehensive options for controlling the piston (23) over the stroke path thereof, at least one of the connections of the second working chamber (25) to high and low pressure is established with a plurality of control valves, wherein both a plurality of high pressure control valves (30, 31) can establish the connection to high pressure and a plurality of low pressure control valves (32, 33) can establish the connection to low pressure.</abstract><oa>free_for_read</oa></addata></record> |
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| language | fin ; swe |
| recordid | cdi_epo_espacenet_FI126134BB |
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| subjects | BLASTING CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS |
| title | Sähköhydraulinen aktuaattori |
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