Circuit breaker
A circuit breaker comprises a make-break contact for making and breaking an electrical circuit, an open-contact spring, a toggle mechanism, and an electromagnetic operation mechanism. The open-contact spring biases the make-break contact in the opening direction. When the make-break contact shifts f...
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| creator | IMAEDA, RYUNOSUKE SAGARA, YUTA MORI, MITSUGI IWASHITA, HISASHI UCHINO, SOSUKE KONDO, KEISHU MASUDA, SHINICHI DEGUCHI, TOMOYA KOMOTO, SHIGEKI |
| description | A circuit breaker comprises a make-break contact for making and breaking an electrical circuit, an open-contact spring, a toggle mechanism, and an electromagnetic operation mechanism. The open-contact spring biases the make-break contact in the opening direction. When the make-break contact shifts from the open state to the closed state, a biasing force that biases the make-break contact in the opening direction increases. The toggle mechanism shifts the make-break contact from the open state to the closed state. The electromagnetic operation mechanism includes: a moving core (63) moving against the biasing force to thereby cause the toggle mechanism to shift the make-break contact from the open state to the closed state; and a fixed core (61) that has a first attraction surface (61a) for attracting the moving core (63) with an inter-surface distance (A) between the first attraction surface (61a) and the moving core (63) that is shorter than a moving distance (B) of the moving core (63). |
| format | Patent |
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The open-contact spring biases the make-break contact in the opening direction. When the make-break contact shifts from the open state to the closed state, a biasing force that biases the make-break contact in the opening direction increases. The toggle mechanism shifts the make-break contact from the open state to the closed state. The electromagnetic operation mechanism includes: a moving core (63) moving against the biasing force to thereby cause the toggle mechanism to shift the make-break contact from the open state to the closed state; and a fixed core (61) that has a first attraction surface (61a) for attracting the moving core (63) with an inter-surface distance (A) between the first attraction surface (61a) and the moving core (63) that is shorter than a moving distance (B) of the moving core (63).</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRIC SWITCHES ; ELECTRICITY ; EMERGENCY PROTECTIVE DEVICES ; RELAYS ; SELECTORS</subject><creationdate>2019</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=20190901&DB=EPODOC&CC=TW&NR=I670741B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190901&DB=EPODOC&CC=TW&NR=I670741B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IMAEDA, RYUNOSUKE</creatorcontrib><creatorcontrib>SAGARA, YUTA</creatorcontrib><creatorcontrib>MORI, MITSUGI</creatorcontrib><creatorcontrib>IWASHITA, HISASHI</creatorcontrib><creatorcontrib>UCHINO, SOSUKE</creatorcontrib><creatorcontrib>KONDO, KEISHU</creatorcontrib><creatorcontrib>MASUDA, SHINICHI</creatorcontrib><creatorcontrib>DEGUCHI, TOMOYA</creatorcontrib><creatorcontrib>KOMOTO, SHIGEKI</creatorcontrib><title>Circuit breaker</title><description>A circuit breaker comprises a make-break contact for making and breaking an electrical circuit, an open-contact spring, a toggle mechanism, and an electromagnetic operation mechanism. 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The electromagnetic operation mechanism includes: a moving core (63) moving against the biasing force to thereby cause the toggle mechanism to shift the make-break contact from the open state to the closed state; and a fixed core (61) that has a first attraction surface (61a) for attracting the moving core (63) with an inter-surface distance (A) between the first attraction surface (61a) and the moving core (63) that is shorter than a moving distance (B) of the moving core (63).</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>ELECTRIC SWITCHES</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE DEVICES</subject><subject>RELAYS</subject><subject>SELECTORS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB3zixKLs0sUUgqSk3MTi3iYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxIeGeZuYG5iaGTk7GRCgBAE2QHuE</recordid><startdate>20190901</startdate><enddate>20190901</enddate><creator>IMAEDA, RYUNOSUKE</creator><creator>SAGARA, YUTA</creator><creator>MORI, MITSUGI</creator><creator>IWASHITA, HISASHI</creator><creator>UCHINO, SOSUKE</creator><creator>KONDO, KEISHU</creator><creator>MASUDA, SHINICHI</creator><creator>DEGUCHI, TOMOYA</creator><creator>KOMOTO, SHIGEKI</creator><scope>EVB</scope></search><sort><creationdate>20190901</creationdate><title>Circuit breaker</title><author>IMAEDA, RYUNOSUKE ; SAGARA, YUTA ; MORI, MITSUGI ; IWASHITA, HISASHI ; UCHINO, SOSUKE ; KONDO, KEISHU ; MASUDA, SHINICHI ; DEGUCHI, TOMOYA ; KOMOTO, SHIGEKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_TWI670741BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2019</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>ELECTRIC SWITCHES</topic><topic>ELECTRICITY</topic><topic>EMERGENCY PROTECTIVE DEVICES</topic><topic>RELAYS</topic><topic>SELECTORS</topic><toplevel>online_resources</toplevel><creatorcontrib>IMAEDA, RYUNOSUKE</creatorcontrib><creatorcontrib>SAGARA, YUTA</creatorcontrib><creatorcontrib>MORI, MITSUGI</creatorcontrib><creatorcontrib>IWASHITA, HISASHI</creatorcontrib><creatorcontrib>UCHINO, SOSUKE</creatorcontrib><creatorcontrib>KONDO, KEISHU</creatorcontrib><creatorcontrib>MASUDA, SHINICHI</creatorcontrib><creatorcontrib>DEGUCHI, TOMOYA</creatorcontrib><creatorcontrib>KOMOTO, SHIGEKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IMAEDA, RYUNOSUKE</au><au>SAGARA, YUTA</au><au>MORI, MITSUGI</au><au>IWASHITA, HISASHI</au><au>UCHINO, SOSUKE</au><au>KONDO, KEISHU</au><au>MASUDA, SHINICHI</au><au>DEGUCHI, TOMOYA</au><au>KOMOTO, SHIGEKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Circuit breaker</title><date>2019-09-01</date><risdate>2019</risdate><abstract>A circuit breaker comprises a make-break contact for making and breaking an electrical circuit, an open-contact spring, a toggle mechanism, and an electromagnetic operation mechanism. The open-contact spring biases the make-break contact in the opening direction. When the make-break contact shifts from the open state to the closed state, a biasing force that biases the make-break contact in the opening direction increases. The toggle mechanism shifts the make-break contact from the open state to the closed state. The electromagnetic operation mechanism includes: a moving core (63) moving against the biasing force to thereby cause the toggle mechanism to shift the make-break contact from the open state to the closed state; and a fixed core (61) that has a first attraction surface (61a) for attracting the moving core (63) with an inter-surface distance (A) between the first attraction surface (61a) and the moving core (63) that is shorter than a moving distance (B) of the moving core (63).</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS |
| title | Circuit breaker |
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