METHOD FOR FORMING FISH ATTRACTIVE FLOW (VARIANTS) AND FISH PASS STRUCTURE HEAD
FIELD: hydraulic building, particularly fish pass structures for passing spawner fish through support structures to spawning and meadow areas. ^ SUBSTANCE: method involves turning louver plates through predetermined angle relative longitudinal fish pass structure axis; supplying water with working f...
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| creator | CHISTJAKOV A.A |
| description | FIELD: hydraulic building, particularly fish pass structures for passing spawner fish through support structures to spawning and meadow areas. ^ SUBSTANCE: method involves turning louver plates through predetermined angle relative longitudinal fish pass structure axis; supplying water with working flow rate to attract fish by opening supplying unit for a given extent to define outer borders of fish attractive flow. During fish attractive flow forming additional water flow is fed to extreme louver plates or to all louver plates, wherein water flow speed exceeds critical speed of fish to be directed to fish pass structure. Accumulated fish movement to upper pool is accomplished with additional water flow supply to louver plates to provide continuity of fish-attraction process. ^ EFFECT: increased stability of outer fish attractive flow borders. ^ 17 cl, 16 dwg |
| format | Patent |
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During fish attractive flow forming additional water flow is fed to extreme louver plates or to all louver plates, wherein water flow speed exceeds critical speed of fish to be directed to fish pass structure. Accumulated fish movement to upper pool is accomplished with additional water flow supply to louver plates to provide continuity of fish-attraction process. ^ EFFECT: increased stability of outer fish attractive flow borders. ^ 17 cl, 16 dwg</description><edition>7</edition><language>eng ; rus</language><subject>FIXED CONSTRUCTIONS ; FOUNDATIONS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HYDRAULIC ENGINEERING ; SOIL SHIFTING ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><creationdate>2005</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=20050727&DB=EPODOC&CC=RU&NR=2257444C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20050727&DB=EPODOC&CC=RU&NR=2257444C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHISTJAKOV A.A</creatorcontrib><title>METHOD FOR FORMING FISH ATTRACTIVE FLOW (VARIANTS) AND FISH PASS STRUCTURE HEAD</title><description>FIELD: hydraulic building, particularly fish pass structures for passing spawner fish through support structures to spawning and meadow areas. ^ SUBSTANCE: method involves turning louver plates through predetermined angle relative longitudinal fish pass structure axis; supplying water with working flow rate to attract fish by opening supplying unit for a given extent to define outer borders of fish attractive flow. During fish attractive flow forming additional water flow is fed to extreme louver plates or to all louver plates, wherein water flow speed exceeds critical speed of fish to be directed to fish pass structure. 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During fish attractive flow forming additional water flow is fed to extreme louver plates or to all louver plates, wherein water flow speed exceeds critical speed of fish to be directed to fish pass structure. Accumulated fish movement to upper pool is accomplished with additional water flow supply to louver plates to provide continuity of fish-attraction process. ^ EFFECT: increased stability of outer fish attractive flow borders. ^ 17 cl, 16 dwg</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; rus |
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| subjects | FIXED CONSTRUCTIONS FOUNDATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HYDRAULIC ENGINEERING SOIL SHIFTING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | METHOD FOR FORMING FISH ATTRACTIVE FLOW (VARIANTS) AND FISH PASS STRUCTURE HEAD |
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