DEVICE FOR DETECTING FAILURE IN VOLTAGE-DRIVING ELEMENT
PROBLEM TO BE SOLVED: To attain a device for detecting failure in a voltage-driving element, capable of detecting failure in the voltage-driving element such as a MOSFET, especially, in a drive for a DC motor used in an industrial vehicle. SOLUTION: This is a DC motor driving circuit where a battery...
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| creator | SAKANO MAKOTO |
| description | PROBLEM TO BE SOLVED: To attain a device for detecting failure in a voltage-driving element, capable of detecting failure in the voltage-driving element such as a MOSFET, especially, in a drive for a DC motor used in an industrial vehicle. SOLUTION: This is a DC motor driving circuit where a battery 11, a contactor 12, a DC motor 13, and a MOSFET 14 are connected in series. A VGS voltage detecting circuit 17, functioning as a means of protecting low- voltage driving in a power supply system, detects the malfunction in the MOSFET 14. If the gate electrode G is at a prescribed voltage α or lower or at the prescribed voltage α or higher after driving voltage is supplied to the gate electrode G of the MOSFET 14, failure in the MOSFET is annunciated. This device for detecting failure in a voltage-driving element also needs no use of an exclusive power supply circuit a conventional device had needed. |
| format | Patent |
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SOLUTION: This is a DC motor driving circuit where a battery 11, a contactor 12, a DC motor 13, and a MOSFET 14 are connected in series. A VGS voltage detecting circuit 17, functioning as a means of protecting low- voltage driving in a power supply system, detects the malfunction in the MOSFET 14. If the gate electrode G is at a prescribed voltage α or lower or at the prescribed voltage α or higher after driving voltage is supplied to the gate electrode G of the MOSFET 14, failure in the MOSFET is annunciated. This device for detecting failure in a voltage-driving element also needs no use of an exclusive power supply circuit a conventional device had needed.</description><edition>7</edition><language>eng</language><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRICITY ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; GENERATION ; HAULING ; HOISTING ; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD ; LIFTING ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; PERFORMING OPERATIONS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TRANSPORTING ; VEHICLES IN GENERAL</subject><creationdate>2000</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=20000314&DB=EPODOC&CC=JP&NR=2000078703A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000314&DB=EPODOC&CC=JP&NR=2000078703A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SAKANO MAKOTO</creatorcontrib><title>DEVICE FOR DETECTING FAILURE IN VOLTAGE-DRIVING ELEMENT</title><description>PROBLEM TO BE SOLVED: To attain a device for detecting failure in a voltage-driving element, capable of detecting failure in the voltage-driving element such as a MOSFET, especially, in a drive for a DC motor used in an industrial vehicle. SOLUTION: This is a DC motor driving circuit where a battery 11, a contactor 12, a DC motor 13, and a MOSFET 14 are connected in series. A VGS voltage detecting circuit 17, functioning as a means of protecting low- voltage driving in a power supply system, detects the malfunction in the MOSFET 14. If the gate electrode G is at a prescribed voltage α or lower or at the prescribed voltage α or higher after driving voltage is supplied to the gate electrode G of the MOSFET 14, failure in the MOSFET is annunciated. This device for detecting failure in a voltage-driving element also needs no use of an exclusive power supply circuit a conventional device had needed.</description><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</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>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>GENERATION</subject><subject>HAULING</subject><subject>HOISTING</subject><subject>HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD</subject><subject>LIFTING</subject><subject>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</subject><subject>PERFORMING OPERATIONS</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB3cQ3zdHZVcPMPUnBxDXF1DvH0c1dwc_T0CQ1yVfD0Uwjz9wlxdHfVdQnyDANJufq4-rr6hfAwsKYl5hSn8kJpbgYlN9cQZw_d1IL8-NTigsTk1LzUknivACMDIDC3MDcwdjQmShEAc6UocQ</recordid><startdate>20000314</startdate><enddate>20000314</enddate><creator>SAKANO MAKOTO</creator><scope>EVB</scope></search><sort><creationdate>20000314</creationdate><title>DEVICE FOR DETECTING FAILURE IN VOLTAGE-DRIVING ELEMENT</title><author>SAKANO MAKOTO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2000078703A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2000</creationdate><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</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>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>GENERATION</topic><topic>HAULING</topic><topic>HOISTING</topic><topic>HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD</topic><topic>LIFTING</topic><topic>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</topic><topic>PERFORMING OPERATIONS</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>SAKANO MAKOTO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SAKANO MAKOTO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DEVICE FOR DETECTING FAILURE IN VOLTAGE-DRIVING ELEMENT</title><date>2000-03-14</date><risdate>2000</risdate><abstract>PROBLEM TO BE SOLVED: To attain a device for detecting failure in a voltage-driving element, capable of detecting failure in the voltage-driving element such as a MOSFET, especially, in a drive for a DC motor used in an industrial vehicle. SOLUTION: This is a DC motor driving circuit where a battery 11, a contactor 12, a DC motor 13, and a MOSFET 14 are connected in series. A VGS voltage detecting circuit 17, functioning as a means of protecting low- voltage driving in a power supply system, detects the malfunction in the MOSFET 14. If the gate electrode G is at a prescribed voltage α or lower or at the prescribed voltage α or higher after driving voltage is supplied to the gate electrode G of the MOSFET 14, failure in the MOSFET is annunciated. This device for detecting failure in a voltage-driving element also needs no use of an exclusive power supply circuit a conventional device had needed.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION HAULING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD LIFTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL |
| title | DEVICE FOR DETECTING FAILURE IN VOLTAGE-DRIVING ELEMENT |
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