ELECTRIC POWER STEERING APPARATUS
PROBLEM TO BE SOLVED: To provide an electric power steering apparatus with an electric motor that prevents generation of a tap tone at a side face inside of a motor case and outside of a bearing or deterioration of an operation sound caused by unbalance of magnetic attraction between a rotor magnet...
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| creator | SAJI NOBUYASU |
| description | PROBLEM TO BE SOLVED: To provide an electric power steering apparatus with an electric motor that prevents generation of a tap tone at a side face inside of a motor case and outside of a bearing or deterioration of an operation sound caused by unbalance of magnetic attraction between a rotor magnet and a stator when there are alignment failures in a rotary shaft and a worm shaft of the electric motor.SOLUTION: A motor rotating shaft 21 is fixed to an electric motor side joint 61, and four engagement projections 67 are formed to the shaft end of the electric motor side joint 61. A worm shaft rotary shaft 24 is fixed to a worm side joint 32, and four engagement projections 37 are formed in the shaft end of the worm side joint 32. An elastic member 33 (elastic coupling) comprising two layers of the member with a different hardness is inserted between the electric motor side joint 61 and the worm side joint 32, and is engaged to both joint engagement projections 37 and 67. |
| format | Patent |
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A worm shaft rotary shaft 24 is fixed to a worm side joint 32, and four engagement projections 37 are formed in the shaft end of the worm side joint 32. An elastic member 33 (elastic coupling) comprising two layers of the member with a different hardness is inserted between the electric motor side joint 61 and the worm side joint 32, and is engaged to both joint engagement projections 37 and 67.</description><language>eng</language><subject>BLASTING ; BRAKES ; CLUTCHES ; COUPLINGS FOR TRANSMITTING ROTATION ; ENGINEERING ELEMENTS AND UNITS ; GEARING ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS ; LIGHTING ; MECHANICAL ENGINEERING ; MOTOR VEHICLES ; PERFORMING OPERATIONS ; THERMAL INSULATION IN GENERAL ; TRAILERS ; TRANSPORTING ; WEAPONS</subject><creationdate>2013</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=20130110&DB=EPODOC&CC=JP&NR=2013006471A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130110&DB=EPODOC&CC=JP&NR=2013006471A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SAJI NOBUYASU</creatorcontrib><title>ELECTRIC POWER STEERING APPARATUS</title><description>PROBLEM TO BE SOLVED: To provide an electric power steering apparatus with an electric motor that prevents generation of a tap tone at a side face inside of a motor case and outside of a bearing or deterioration of an operation sound caused by unbalance of magnetic attraction between a rotor magnet and a stator when there are alignment failures in a rotary shaft and a worm shaft of the electric motor.SOLUTION: A motor rotating shaft 21 is fixed to an electric motor side joint 61, and four engagement projections 67 are formed to the shaft end of the electric motor side joint 61. A worm shaft rotary shaft 24 is fixed to a worm side joint 32, and four engagement projections 37 are formed in the shaft end of the worm side joint 32. An elastic member 33 (elastic coupling) comprising two layers of the member with a different hardness is inserted between the electric motor side joint 61 and the worm side joint 32, and is engaged to both joint engagement projections 37 and 67.</description><subject>BLASTING</subject><subject>BRAKES</subject><subject>CLUTCHES</subject><subject>COUPLINGS FOR TRANSMITTING ROTATION</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GEARING</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>MOTOR VEHICLES</subject><subject>PERFORMING OPERATIONS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRAILERS</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB09XF1DgnydFYI8A93DVIIDnF1DfL0c1dwDAhwDHIMCQ3mYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBobGBgZmJuaGjsZEKQIAZ9Yitg</recordid><startdate>20130110</startdate><enddate>20130110</enddate><creator>SAJI NOBUYASU</creator><scope>EVB</scope></search><sort><creationdate>20130110</creationdate><title>ELECTRIC POWER STEERING APPARATUS</title><author>SAJI NOBUYASU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2013006471A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2013</creationdate><topic>BLASTING</topic><topic>BRAKES</topic><topic>CLUTCHES</topic><topic>COUPLINGS FOR TRANSMITTING ROTATION</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GEARING</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>MOTOR VEHICLES</topic><topic>PERFORMING OPERATIONS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRAILERS</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SAJI NOBUYASU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SAJI NOBUYASU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ELECTRIC POWER STEERING APPARATUS</title><date>2013-01-10</date><risdate>2013</risdate><abstract>PROBLEM TO BE SOLVED: To provide an electric power steering apparatus with an electric motor that prevents generation of a tap tone at a side face inside of a motor case and outside of a bearing or deterioration of an operation sound caused by unbalance of magnetic attraction between a rotor magnet and a stator when there are alignment failures in a rotary shaft and a worm shaft of the electric motor.SOLUTION: A motor rotating shaft 21 is fixed to an electric motor side joint 61, and four engagement projections 67 are formed to the shaft end of the electric motor side joint 61. A worm shaft rotary shaft 24 is fixed to a worm side joint 32, and four engagement projections 37 are formed in the shaft end of the worm side joint 32. An elastic member 33 (elastic coupling) comprising two layers of the member with a different hardness is inserted between the electric motor side joint 61 and the worm side joint 32, and is engaged to both joint engagement projections 37 and 67.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MECHANICAL ENGINEERING MOTOR VEHICLES PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRAILERS TRANSPORTING WEAPONS |
| title | ELECTRIC POWER STEERING APPARATUS |
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