MAGNETIC BEARING DEVICE
PURPOSE:To support a magnetic bearing device with an auxiliary bearing in a stable state even when abnormal vibration is generated on a rotating shaft by outputting a signal of a specific level when the output signal of a displacement sensor exceeds a set value and by adding between a phase compensa...
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| creator | IKARIGA ATSUSHI |
| description | PURPOSE:To support a magnetic bearing device with an auxiliary bearing in a stable state even when abnormal vibration is generated on a rotating shaft by outputting a signal of a specific level when the output signal of a displacement sensor exceeds a set value and by adding between a phase compensating circuit and one power amplifier and exciting an electromagnet to attract the rotating shaft to one side. CONSTITUTION:A signal detected by displacement detection sensors 4a, 4b of a rotating shaft 1 is computed at a position deflection arithmetic circuit 7a to get difference between it and a position setter 6a. This output is compensated at a phase compensating circuit 8a, a comparing circuit 13a compares the output of the position deflection arithmetic circuit 7a and a standard setting circuit 14a and a specific direct current signal is output. Additionally, an electric power amplifier 9 flows a current which is larger than 10a by the output of the comparing circuit 13a to a coil 11a of an electromagnet 2a, and electromagnets 2b, 3b are excited in the Y axis direction in the same way. Accordingly, it is possible to support the rotating shaft 1 with an auxiliary bearing in a stable state without swinging by way of attracting the rotating shaft 1 to the side of the magnet 2a when abnormal vibration is generated on the rotating shaft 1. |
| format | Patent |
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CONSTITUTION:A signal detected by displacement detection sensors 4a, 4b of a rotating shaft 1 is computed at a position deflection arithmetic circuit 7a to get difference between it and a position setter 6a. This output is compensated at a phase compensating circuit 8a, a comparing circuit 13a compares the output of the position deflection arithmetic circuit 7a and a standard setting circuit 14a and a specific direct current signal is output. Additionally, an electric power amplifier 9 flows a current which is larger than 10a by the output of the comparing circuit 13a to a coil 11a of an electromagnet 2a, and electromagnets 2b, 3b are excited in the Y axis direction in the same way. Accordingly, it is possible to support the rotating shaft 1 with an auxiliary bearing in a stable state without swinging by way of attracting the rotating shaft 1 to the side of the magnet 2a when abnormal vibration is generated on the rotating shaft 1.</description><language>eng</language><subject>BEARINGS ; BLASTING ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DYNAMO-ELECTRIC MACHINES ; ELECTRICITY ; ELEMENTS OR CRANKSHAFT MECHANISMS ; ENGINEERING ELEMENTS AND UNITS ; FLEXIBLE SHAFTS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; GENERATION ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; ROTARY BODIES OTHER THAN GEARING ELEMENTS ; SHAFTS ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>1992</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=19920113&DB=EPODOC&CC=JP&NR=H048911A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19920113&DB=EPODOC&CC=JP&NR=H048911A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IKARIGA ATSUSHI</creatorcontrib><title>MAGNETIC BEARING DEVICE</title><description>PURPOSE:To support a magnetic bearing device with an auxiliary bearing in a stable state even when abnormal vibration is generated on a rotating shaft by outputting a signal of a specific level when the output signal of a displacement sensor exceeds a set value and by adding between a phase compensating circuit and one power amplifier and exciting an electromagnet to attract the rotating shaft to one side. CONSTITUTION:A signal detected by displacement detection sensors 4a, 4b of a rotating shaft 1 is computed at a position deflection arithmetic circuit 7a to get difference between it and a position setter 6a. This output is compensated at a phase compensating circuit 8a, a comparing circuit 13a compares the output of the position deflection arithmetic circuit 7a and a standard setting circuit 14a and a specific direct current signal is output. Additionally, an electric power amplifier 9 flows a current which is larger than 10a by the output of the comparing circuit 13a to a coil 11a of an electromagnet 2a, and electromagnets 2b, 3b are excited in the Y axis direction in the same way. Accordingly, it is possible to support the rotating shaft 1 with an auxiliary bearing in a stable state without swinging by way of attracting the rotating shaft 1 to the side of the magnet 2a when abnormal vibration is generated on the rotating shaft 1.</description><subject>BEARINGS</subject><subject>BLASTING</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>DYNAMO-ELECTRIC MACHINES</subject><subject>ELECTRICITY</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>GENERATION</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBD3dXT3cw3xdFZwcnUM8vRzV3BxDfN0duVhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfFeAR4GJhaWhoaOxoRVAABNeB6a</recordid><startdate>19920113</startdate><enddate>19920113</enddate><creator>IKARIGA ATSUSHI</creator><scope>EVB</scope></search><sort><creationdate>19920113</creationdate><title>MAGNETIC BEARING DEVICE</title><author>IKARIGA ATSUSHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH048911A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1992</creationdate><topic>BEARINGS</topic><topic>BLASTING</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>DYNAMO-ELECTRIC MACHINES</topic><topic>ELECTRICITY</topic><topic>ELEMENTS OR CRANKSHAFT MECHANISMS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLEXIBLE SHAFTS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>GENERATION</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>ROTARY BODIES OTHER THAN GEARING ELEMENTS</topic><topic>SHAFTS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>IKARIGA ATSUSHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IKARIGA ATSUSHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MAGNETIC BEARING DEVICE</title><date>1992-01-13</date><risdate>1992</risdate><abstract>PURPOSE:To support a magnetic bearing device with an auxiliary bearing in a stable state even when abnormal vibration is generated on a rotating shaft by outputting a signal of a specific level when the output signal of a displacement sensor exceeds a set value and by adding between a phase compensating circuit and one power amplifier and exciting an electromagnet to attract the rotating shaft to one side. CONSTITUTION:A signal detected by displacement detection sensors 4a, 4b of a rotating shaft 1 is computed at a position deflection arithmetic circuit 7a to get difference between it and a position setter 6a. This output is compensated at a phase compensating circuit 8a, a comparing circuit 13a compares the output of the position deflection arithmetic circuit 7a and a standard setting circuit 14a and a specific direct current signal is output. Additionally, an electric power amplifier 9 flows a current which is larger than 10a by the output of the comparing circuit 13a to a coil 11a of an electromagnet 2a, and electromagnets 2b, 3b are excited in the Y axis direction in the same way. Accordingly, it is possible to support the rotating shaft 1 with an auxiliary bearing in a stable state without swinging by way of attracting the rotating shaft 1 to the side of the magnet 2a when abnormal vibration is generated on the rotating shaft 1.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BEARINGS BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS |
| title | MAGNETIC BEARING DEVICE |
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