Electric drive device and electric power steering apparatus
Power conversion circuit unit defined by rotation shaft-side line facing toward rotation shaft of electric motor, control output terminal-side line facing toward coil input terminals of electric motor and side lines connecting both end portions of rotation shaft-side line and control output terminal...
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| creator | Kanazawa, Takuro Yatsugi, Tomishige |
| description | Power conversion circuit unit defined by rotation shaft-side line facing toward rotation shaft of electric motor, control output terminal-side line facing toward coil input terminals of electric motor and side lines connecting both end portions of rotation shaft-side line and control output terminal-side line is packaged with synthetic resin. Three-phase control output terminals connected to the coil input terminals are formed at control output terminal-side line. Power switching elements forming upper and lower arms for each phase are arranged in a zigzag formation along control output terminal-side line with power switching elements being offset from a substantially middle between rotation shaft-side line and control output terminal-side line toward control output terminal-side line. With this, size of power conversion circuit unit can be reduced, and heat of power conversion circuit unit can be efficiently released to the outside. |
| format | Patent |
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Three-phase control output terminals connected to the coil input terminals are formed at control output terminal-side line. Power switching elements forming upper and lower arms for each phase are arranged in a zigzag formation along control output terminal-side line with power switching elements being offset from a substantially middle between rotation shaft-side line and control output terminal-side line toward control output terminal-side line. With this, size of power conversion circuit unit can be reduced, and heat of power conversion circuit unit can be efficiently released to the outside.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DYNAMO-ELECTRIC MACHINES ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; GENERATION ; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS ; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ; MOTOR VEHICLES ; PERFORMING OPERATIONS ; PRINTED CIRCUITS ; SEMICONDUCTOR DEVICES ; TRAILERS ; TRANSPORTING</subject><creationdate>2020</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=20201006&DB=EPODOC&CC=US&NR=10797570B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201006&DB=EPODOC&CC=US&NR=10797570B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Kanazawa, Takuro</creatorcontrib><creatorcontrib>Yatsugi, Tomishige</creatorcontrib><title>Electric drive device and electric power steering apparatus</title><description>Power conversion circuit unit defined by rotation shaft-side line facing toward rotation shaft of electric motor, control output terminal-side line facing toward coil input terminals of electric motor and side lines connecting both end portions of rotation shaft-side line and control output terminal-side line is packaged with synthetic resin. Three-phase control output terminals connected to the coil input terminals are formed at control output terminal-side line. Power switching elements forming upper and lower arms for each phase are arranged in a zigzag formation along control output terminal-side line with power switching elements being offset from a substantially middle between rotation shaft-side line and control output terminal-side line toward control output terminal-side line. 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Three-phase control output terminals connected to the coil input terminals are formed at control output terminal-side line. Power switching elements forming upper and lower arms for each phase are arranged in a zigzag formation along control output terminal-side line with power switching elements being offset from a substantially middle between rotation shaft-side line and control output terminal-side line toward control output terminal-side line. With this, size of power conversion circuit unit can be reduced, and heat of power conversion circuit unit can be efficiently released to the outside.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MOTOR VEHICLES PERFORMING OPERATIONS PRINTED CIRCUITS SEMICONDUCTOR DEVICES TRAILERS TRANSPORTING |
| title | Electric drive device and electric power steering apparatus |
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