Motor-driven valve for controlling a fluid flow
In a valve in which the flow of a medium is controlled by rotation of a moveable plate 6, an ultrasound motor is used, so that the rotatable plate 6 directly forms a moveable part of the ultrasound motor. In contact with this part is a vibration element 11, the vibrations of which are produced by pi...
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| creator | NILSSON, PEKKA SAARISALO, RISTO |
| description | In a valve in which the flow of a medium is controlled by rotation of a moveable plate 6, an ultrasound motor is used, so that the rotatable plate 6 directly forms a moveable part of the ultrasound motor. In contact with this part is a vibration element 11, the vibrations of which are produced by piezoelectric elements 12. The vibration element 11 with the piezoelectric elements 12 may be annular in shape, thereby surrounding the medium that flows in a pipe for example. The invention creates an especially compact and simple solution, and the movements of the plate do not require mechanical transmission elements, as is the case, for example, where ordinary electric motors are used. |
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In contact with this part is a vibration element 11, the vibrations of which are produced by piezoelectric elements 12. The vibration element 11 with the piezoelectric elements 12 may be annular in shape, thereby surrounding the medium that flows in a pipe for example. The invention creates an especially compact and simple solution, and the movements of the plate do not require mechanical transmission elements, as is the case, for example, where ordinary electric motors are used.</description><edition>5</edition><language>eng ; fin</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; CONTROLLING ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; PHYSICS ; REGULATING ; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>1990</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=19901231&DB=EPODOC&CC=FI&NR=82761B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19901231&DB=EPODOC&CC=FI&NR=82761B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NILSSON, PEKKA</creatorcontrib><creatorcontrib>SAARISALO, RISTO</creatorcontrib><title>Motor-driven valve for controlling a fluid flow</title><description>In a valve in which the flow of a medium is controlled by rotation of a moveable plate 6, an ultrasound motor is used, so that the rotatable plate 6 directly forms a moveable part of the ultrasound motor. In contact with this part is a vibration element 11, the vibrations of which are produced by piezoelectric elements 12. The vibration element 11 with the piezoelectric elements 12 may be annular in shape, thereby surrounding the medium that flows in a pipe for example. The invention creates an especially compact and simple solution, and the movements of the plate do not require mechanical transmission elements, as is the case, for example, where ordinary electric motors are used.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>CONTROLLING</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PHYSICS</subject><subject>REGULATING</subject><subject>SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES</subject><subject>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND3zS_JL9JNKcosS81TKEvMKUtVSMsvUkjOzyspys_JycxLV0hUSMspzUwBkvnlPAysaYk5xam8UJqbQc7NNcTZQze1ID8-tbggMTk1L7Uk3s3TwsjczNDJyZigAgA3HinF</recordid><startdate>19901231</startdate><enddate>19901231</enddate><creator>NILSSON, PEKKA</creator><creator>SAARISALO, RISTO</creator><scope>EVB</scope></search><sort><creationdate>19901231</creationdate><title>Motor-driven valve for controlling a fluid flow</title><author>NILSSON, PEKKA ; SAARISALO, RISTO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_FI82761BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fin</language><creationdate>1990</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>CONTROLLING</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PHYSICS</topic><topic>REGULATING</topic><topic>SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>NILSSON, PEKKA</creatorcontrib><creatorcontrib>SAARISALO, RISTO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NILSSON, PEKKA</au><au>SAARISALO, RISTO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Motor-driven valve for controlling a fluid flow</title><date>1990-12-31</date><risdate>1990</risdate><abstract>In a valve in which the flow of a medium is controlled by rotation of a moveable plate 6, an ultrasound motor is used, so that the rotatable plate 6 directly forms a moveable part of the ultrasound motor. In contact with this part is a vibration element 11, the vibrations of which are produced by piezoelectric elements 12. The vibration element 11 with the piezoelectric elements 12 may be annular in shape, thereby surrounding the medium that flows in a pipe for example. The invention creates an especially compact and simple solution, and the movements of the plate do not require mechanical transmission elements, as is the case, for example, where ordinary electric motors are used.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fin |
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| subjects | ACTUATING-FLOATS BLASTING COCKS CONTROLLING DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | Motor-driven valve for controlling a fluid flow |
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