ROTARY INDUCTOR
A rotary inductor has an annular stator with angularly displaced radial teeth, an energizing winding having turns encircling individual teeth to induce magnetic fluxes therein, an output winding having turns encircling individual teeth preferably displaced 180 electrical degrees apart connected in s...
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| creator | KAESER, ERNST K RINGLAND, WILLIAM L |
| description | A rotary inductor has an annular stator with angularly displaced radial teeth, an energizing winding having turns encircling individual teeth to induce magnetic fluxes therein, an output winding having turns encircling individual teeth preferably displaced 180 electrical degrees apart connected in subtractive relation to cancel the base component of the magnetic flux, and a ferromagnetic rotor rotatable within the stator to cyclically modulate the permeances of the flux paths extending through the teeth and across the airgap into the rotor and thus cyclically vary the magnitude of the magnetic flux linking the turns of the energizing and output windings encircling each tooth. The preferred embodiment is a three-phase vector adder and has two energizing windings having turns surrounding sets of first and second teeth displaced 90 electrical degrees, three-phase output winding each of which has turns surrounding individual first teeth and second teeth, the three-phase output windings surrounding teeth displaced 120 electrical degrees on the stator, and the rotor being contoured so that the permeances of the magnetic flux paths through the teeth and across the airgap into the rotor vary substantially sinusoidally. |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_CA950988A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>CA950988A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_CA950988A3</originalsourceid><addsrcrecordid>eNrjZOAP8g9xDIpU8PRzCXUO8Q_iYWBNS8wpTuWF0twMcm6uIc4euqkF-fGpxQWJyal5qSXxzo6WpgaWFhaOxgQVAABQXxwt</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>ROTARY INDUCTOR</title><source>esp@cenet</source><creator>KAESER, ERNST K ; RINGLAND, WILLIAM L</creator><creatorcontrib>KAESER, ERNST K ; RINGLAND, WILLIAM L</creatorcontrib><description>A rotary inductor has an annular stator with angularly displaced radial teeth, an energizing winding having turns encircling individual teeth to induce magnetic fluxes therein, an output winding having turns encircling individual teeth preferably displaced 180 electrical degrees apart connected in subtractive relation to cancel the base component of the magnetic flux, and a ferromagnetic rotor rotatable within the stator to cyclically modulate the permeances of the flux paths extending through the teeth and across the airgap into the rotor and thus cyclically vary the magnitude of the magnetic flux linking the turns of the energizing and output windings encircling each tooth. The preferred embodiment is a three-phase vector adder and has two energizing windings having turns surrounding sets of first and second teeth displaced 90 electrical degrees, three-phase output winding each of which has turns surrounding individual first teeth and second teeth, the three-phase output windings surrounding teeth displaced 120 electrical degrees on the stator, and the rotor being contoured so that the permeances of the magnetic flux paths through the teeth and across the airgap into the rotor vary substantially sinusoidally.</description><language>eng</language><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DYNAMO-ELECTRIC MACHINES ; ELECTRICITY ; GENERATION ; PHYSICS ; SIGNALLING ; TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS</subject><creationdate>1974</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=19740709&DB=EPODOC&CC=CA&NR=950988A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19740709&DB=EPODOC&CC=CA&NR=950988A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KAESER, ERNST K</creatorcontrib><creatorcontrib>RINGLAND, WILLIAM L</creatorcontrib><title>ROTARY INDUCTOR</title><description>A rotary inductor has an annular stator with angularly displaced radial teeth, an energizing winding having turns encircling individual teeth to induce magnetic fluxes therein, an output winding having turns encircling individual teeth preferably displaced 180 electrical degrees apart connected in subtractive relation to cancel the base component of the magnetic flux, and a ferromagnetic rotor rotatable within the stator to cyclically modulate the permeances of the flux paths extending through the teeth and across the airgap into the rotor and thus cyclically vary the magnitude of the magnetic flux linking the turns of the energizing and output windings encircling each tooth. The preferred embodiment is a three-phase vector adder and has two energizing windings having turns surrounding sets of first and second teeth displaced 90 electrical degrees, three-phase output winding each of which has turns surrounding individual first teeth and second teeth, the three-phase output windings surrounding teeth displaced 120 electrical degrees on the stator, and the rotor being contoured so that the permeances of the magnetic flux paths through the teeth and across the airgap into the rotor vary substantially sinusoidally.</description><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>DYNAMO-ELECTRIC MACHINES</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>PHYSICS</subject><subject>SIGNALLING</subject><subject>TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1974</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOAP8g9xDIpU8PRzCXUO8Q_iYWBNS8wpTuWF0twMcm6uIc4euqkF-fGpxQWJyal5qSXxzo6WpgaWFhaOxgQVAABQXxwt</recordid><startdate>19740709</startdate><enddate>19740709</enddate><creator>KAESER, ERNST K</creator><creator>RINGLAND, WILLIAM L</creator><scope>EVB</scope></search><sort><creationdate>19740709</creationdate><title>ROTARY INDUCTOR</title><author>KAESER, ERNST K ; RINGLAND, WILLIAM L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA950988A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1974</creationdate><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>DYNAMO-ELECTRIC MACHINES</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>PHYSICS</topic><topic>SIGNALLING</topic><topic>TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS</topic><toplevel>online_resources</toplevel><creatorcontrib>KAESER, ERNST K</creatorcontrib><creatorcontrib>RINGLAND, WILLIAM L</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KAESER, ERNST K</au><au>RINGLAND, WILLIAM L</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ROTARY INDUCTOR</title><date>1974-07-09</date><risdate>1974</risdate><abstract>A rotary inductor has an annular stator with angularly displaced radial teeth, an energizing winding having turns encircling individual teeth to induce magnetic fluxes therein, an output winding having turns encircling individual teeth preferably displaced 180 electrical degrees apart connected in subtractive relation to cancel the base component of the magnetic flux, and a ferromagnetic rotor rotatable within the stator to cyclically modulate the permeances of the flux paths extending through the teeth and across the airgap into the rotor and thus cyclically vary the magnitude of the magnetic flux linking the turns of the energizing and output windings encircling each tooth. The preferred embodiment is a three-phase vector adder and has two energizing windings having turns surrounding sets of first and second teeth displaced 90 electrical degrees, three-phase output winding each of which has turns surrounding individual first teeth and second teeth, the three-phase output windings surrounding teeth displaced 120 electrical degrees on the stator, and the rotor being contoured so that the permeances of the magnetic flux paths through the teeth and across the airgap into the rotor vary substantially sinusoidally.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION PHYSICS SIGNALLING TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS |
| title | ROTARY INDUCTOR |
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