CONTROL DEVICE AND METHOD FOR HOIST
A control device for a hoist, which enables easy judgment of the lifetime of a brake of a hoist is provided. The time setting unit sets the time from startup of a double winding induction motor to disengagement of the brake and the time from start of engagement of the brake to stopping of the double...
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| creator | FURUKAWA, KAZUHO MARUNO, MASAHARU MATSUO, DAISUKE |
| description | A control device for a hoist, which enables easy judgment of the lifetime of a brake of a hoist is provided. The time setting unit sets the time from startup of a double winding induction motor to disengagement of the brake and the time from start of engagement of the brake to stopping of the double winding induction motor in accordance with the time from the startup of the double winding induction motor to generation of torque. The time changing unit detects if power-supply frequency of a power supply is 50 Hz or 60 Hz and can change at least one of the time from the startup of the double winding induction motor to the disengagement of the brake and the time from stopping of driving of the brake to stopping of double winding induction motor in accordance with the power-supply frequency of the power supply. |
| format | Patent |
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The time setting unit sets the time from startup of a double winding induction motor to disengagement of the brake and the time from start of engagement of the brake to stopping of the double winding induction motor in accordance with the time from the startup of the double winding induction motor to generation of torque. The time changing unit detects if power-supply frequency of a power supply is 50 Hz or 60 Hz and can change at least one of the time from the startup of the double winding induction motor to the disengagement of the brake and the time from stopping of driving of the brake to stopping of double winding induction motor in accordance with the power-supply frequency of the power supply.</description><language>eng ; fre ; ger</language><subject>CAPSTANS ; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS ; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION ; HAULING ; HOISTING ; HOISTS ; LIFTING ; PERFORMING OPERATIONS ; TACKLES, e.g. PULLEY BLOCKS ; TRANSPORTING ; WINCHES</subject><creationdate>2014</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=20140108&DB=EPODOC&CC=EP&NR=2484625A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140108&DB=EPODOC&CC=EP&NR=2484625A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FURUKAWA, KAZUHO</creatorcontrib><creatorcontrib>MARUNO, MASAHARU</creatorcontrib><creatorcontrib>MATSUO, DAISUKE</creatorcontrib><title>CONTROL DEVICE AND METHOD FOR HOIST</title><description>A control device for a hoist, which enables easy judgment of the lifetime of a brake of a hoist is provided. The time setting unit sets the time from startup of a double winding induction motor to disengagement of the brake and the time from start of engagement of the brake to stopping of the double winding induction motor in accordance with the time from the startup of the double winding induction motor to generation of torque. The time changing unit detects if power-supply frequency of a power supply is 50 Hz or 60 Hz and can change at least one of the time from the startup of the double winding induction motor to the disengagement of the brake and the time from stopping of driving of the brake to stopping of double winding induction motor in accordance with the power-supply frequency of the power supply.</description><subject>CAPSTANS</subject><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</subject><subject>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>HAULING</subject><subject>HOISTING</subject><subject>HOISTS</subject><subject>LIFTING</subject><subject>PERFORMING OPERATIONS</subject><subject>TACKLES, e.g. PULLEY BLOCKS</subject><subject>TRANSPORTING</subject><subject>WINCHES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB29vcLCfL3UXBxDfN0dlVw9HNR8HUN8fB3UXDzD1Lw8PcMDuFhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAUYmFiZmRqaOJsZEKAEAA7YiKQ</recordid><startdate>20140108</startdate><enddate>20140108</enddate><creator>FURUKAWA, KAZUHO</creator><creator>MARUNO, MASAHARU</creator><creator>MATSUO, DAISUKE</creator><scope>EVB</scope></search><sort><creationdate>20140108</creationdate><title>CONTROL DEVICE AND METHOD FOR HOIST</title><author>FURUKAWA, KAZUHO ; MARUNO, MASAHARU ; MATSUO, DAISUKE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2484625A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2014</creationdate><topic>CAPSTANS</topic><topic>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</topic><topic>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>HAULING</topic><topic>HOISTING</topic><topic>HOISTS</topic><topic>LIFTING</topic><topic>PERFORMING OPERATIONS</topic><topic>TACKLES, e.g. PULLEY BLOCKS</topic><topic>TRANSPORTING</topic><topic>WINCHES</topic><toplevel>online_resources</toplevel><creatorcontrib>FURUKAWA, KAZUHO</creatorcontrib><creatorcontrib>MARUNO, MASAHARU</creatorcontrib><creatorcontrib>MATSUO, DAISUKE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FURUKAWA, KAZUHO</au><au>MARUNO, MASAHARU</au><au>MATSUO, DAISUKE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CONTROL DEVICE AND METHOD FOR HOIST</title><date>2014-01-08</date><risdate>2014</risdate><abstract>A control device for a hoist, which enables easy judgment of the lifetime of a brake of a hoist is provided. The time setting unit sets the time from startup of a double winding induction motor to disengagement of the brake and the time from start of engagement of the brake to stopping of the double winding induction motor in accordance with the time from the startup of the double winding induction motor to generation of torque. The time changing unit detects if power-supply frequency of a power supply is 50 Hz or 60 Hz and can change at least one of the time from the startup of the double winding induction motor to the disengagement of the brake and the time from stopping of driving of the brake to stopping of double winding induction motor in accordance with the power-supply frequency of the power supply.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | CAPSTANS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION HAULING HOISTING HOISTS LIFTING PERFORMING OPERATIONS TACKLES, e.g. PULLEY BLOCKS TRANSPORTING WINCHES |
| title | CONTROL DEVICE AND METHOD FOR HOIST |
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