POWER TRANSMISSION SYSTEM
To provide a power transmission system capable of suppressing occurrence of noise and reducing noise leakage. A power transmission system of the present invention transmits electric energy to a secondary resonator having a secondary resonator coil 260 through an electromagnetic field of a predetermi...
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| creator | ICHIKAWA, Shinji GORAI, Naoki SATO, Kenichiro YAMAKAWA, Hiroyuki |
| description | To provide a power transmission system capable of suppressing occurrence of noise and reducing noise leakage. A power transmission system of the present invention transmits electric energy to a secondary resonator having a secondary resonator coil 260 through an electromagnetic field of a predetermined frequency generated from a primary resonator having a primary resonator coil 160 and reduces noise using two noise cancellation resonators with one of the predetermined frequency and its higher harmonic component set as a noise reduction target frequency. The power transmission system includes, as the two noise cancellation resonators, a first noise cancellation resonator 300 that includes a first noise cancellation resonator coil 310 and has a resonance frequency higher than the noise reduction target frequency by a first shift frequency determined according to a coupling degree between the primary resonator coil 160 and the first noise cancellation resonator coil 310 and a second noise cancellation resonator 340 that includes a second noise cancellation resonator coil 350 and has a resonance frequency lower than the noise reduction target frequency by a second shift frequency determined according to a coupling degree between the primary resonator coil 160 and the second noise cancellation resonator coil 350. |
| format | Patent |
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A power transmission system of the present invention transmits electric energy to a secondary resonator having a secondary resonator coil 260 through an electromagnetic field of a predetermined frequency generated from a primary resonator having a primary resonator coil 160 and reduces noise using two noise cancellation resonators with one of the predetermined frequency and its higher harmonic component set as a noise reduction target frequency. The power transmission system includes, as the two noise cancellation resonators, a first noise cancellation resonator 300 that includes a first noise cancellation resonator coil 310 and has a resonance frequency higher than the noise reduction target frequency by a first shift frequency determined according to a coupling degree between the primary resonator coil 160 and the first noise cancellation resonator coil 310 and a second noise cancellation resonator 340 that includes a second noise cancellation resonator coil 350 and has a resonance frequency lower than the noise reduction target frequency by a second shift frequency determined according to a coupling degree between the primary resonator coil 160 and the second noise cancellation resonator coil 350.</description><language>eng ; fre ; ger</language><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRICITY ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; GENERATION ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; PERFORMING OPERATIONS ; SYSTEMS FOR STORING ELECTRIC ENERGY ; TRANSPORTING ; VEHICLES IN GENERAL</subject><creationdate>2018</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=20180103&DB=EPODOC&CC=EP&NR=3148030A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180103&DB=EPODOC&CC=EP&NR=3148030A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ICHIKAWA, Shinji</creatorcontrib><creatorcontrib>GORAI, Naoki</creatorcontrib><creatorcontrib>SATO, Kenichiro</creatorcontrib><creatorcontrib>YAMAKAWA, Hiroyuki</creatorcontrib><title>POWER TRANSMISSION SYSTEM</title><description>To provide a power transmission system capable of suppressing occurrence of noise and reducing noise leakage. A power transmission system of the present invention transmits electric energy to a secondary resonator having a secondary resonator coil 260 through an electromagnetic field of a predetermined frequency generated from a primary resonator having a primary resonator coil 160 and reduces noise using two noise cancellation resonators with one of the predetermined frequency and its higher harmonic component set as a noise reduction target frequency. The power transmission system includes, as the two noise cancellation resonators, a first noise cancellation resonator 300 that includes a first noise cancellation resonator coil 310 and has a resonance frequency higher than the noise reduction target frequency by a first shift frequency determined according to a coupling degree between the primary resonator coil 160 and the first noise cancellation resonator coil 310 and a second noise cancellation resonator 340 that includes a second noise cancellation resonator coil 350 and has a resonance frequency lower than the noise reduction target frequency by a second shift frequency determined according to a coupling degree between the primary resonator coil 160 and the second noise cancellation resonator coil 350.</description><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES</subject><subject>ELECTRICITY</subject><subject>ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL</subject><subject>GENERATION</subject><subject>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</subject><subject>PERFORMING OPERATIONS</subject><subject>SYSTEMS FOR STORING ELECTRIC ENERGY</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAM8A93DVIICXL0C_b1DA729PdTCI4MDnH15WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BxoYmFgbGBo4mxkQoAQD8QB_w</recordid><startdate>20180103</startdate><enddate>20180103</enddate><creator>ICHIKAWA, Shinji</creator><creator>GORAI, Naoki</creator><creator>SATO, Kenichiro</creator><creator>YAMAKAWA, Hiroyuki</creator><scope>EVB</scope></search><sort><creationdate>20180103</creationdate><title>POWER TRANSMISSION SYSTEM</title><author>ICHIKAWA, Shinji ; GORAI, Naoki ; SATO, Kenichiro ; YAMAKAWA, Hiroyuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3148030A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2018</creationdate><topic>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES</topic><topic>ELECTRICITY</topic><topic>ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL</topic><topic>GENERATION</topic><topic>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</topic><topic>PERFORMING OPERATIONS</topic><topic>SYSTEMS FOR STORING ELECTRIC ENERGY</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>ICHIKAWA, Shinji</creatorcontrib><creatorcontrib>GORAI, Naoki</creatorcontrib><creatorcontrib>SATO, Kenichiro</creatorcontrib><creatorcontrib>YAMAKAWA, Hiroyuki</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ICHIKAWA, Shinji</au><au>GORAI, Naoki</au><au>SATO, Kenichiro</au><au>YAMAKAWA, Hiroyuki</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>POWER TRANSMISSION SYSTEM</title><date>2018-01-03</date><risdate>2018</risdate><abstract>To provide a power transmission system capable of suppressing occurrence of noise and reducing noise leakage. A power transmission system of the present invention transmits electric energy to a secondary resonator having a secondary resonator coil 260 through an electromagnetic field of a predetermined frequency generated from a primary resonator having a primary resonator coil 160 and reduces noise using two noise cancellation resonators with one of the predetermined frequency and its higher harmonic component set as a noise reduction target frequency. The power transmission system includes, as the two noise cancellation resonators, a first noise cancellation resonator 300 that includes a first noise cancellation resonator coil 310 and has a resonance frequency higher than the noise reduction target frequency by a first shift frequency determined according to a coupling degree between the primary resonator coil 160 and the first noise cancellation resonator coil 310 and a second noise cancellation resonator 340 that includes a second noise cancellation resonator coil 350 and has a resonance frequency lower than the noise reduction target frequency by a second shift frequency determined according to a coupling degree between the primary resonator coil 160 and the second noise cancellation resonator coil 350.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL |
| title | POWER TRANSMISSION SYSTEM |
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