Coaxial mid-drive power device of bicycle
A coaxial mid-drive power device of a bicycle includes a reducing structure and a hollow shaft motor engaged with the reducing structure that are disposed in a motor base. An output end of the reducing structure is operatively coupled with a one-way bearing bracket with a sprocket base via a one-way...
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| creator | Hsu, Yi-Hsing Teng, Cheng-I |
| description | A coaxial mid-drive power device of a bicycle includes a reducing structure and a hollow shaft motor engaged with the reducing structure that are disposed in a motor base. An output end of the reducing structure is operatively coupled with a one-way bearing bracket with a sprocket base via a one-way bearing. A crank spindle engaged with the one-way bearing bracket through another one-way bearing penetrates through the motor base. The two one-way bearings respectively have opposite rotation directions and are respectively located on different sides, i.e., an inside and an outside, of the one-way bearing bracket. A strain gauge disposed on the crank spindle is electrically connected to an annular conductive rail assembly engaged with the crank spindle and an elastic sheet assembly on a control circuit board in the motor base, hence the strain gauge could directly obtain a change in a torque of the crank spindle. |
| format | Patent |
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An output end of the reducing structure is operatively coupled with a one-way bearing bracket with a sprocket base via a one-way bearing. A crank spindle engaged with the one-way bearing bracket through another one-way bearing penetrates through the motor base. The two one-way bearings respectively have opposite rotation directions and are respectively located on different sides, i.e., an inside and an outside, of the one-way bearing bracket. A strain gauge disposed on the crank spindle is electrically connected to an annular conductive rail assembly engaged with the crank spindle and an elastic sheet assembly on a control circuit board in the motor base, hence the strain gauge could directly obtain a change in a torque of the crank spindle.</description><language>eng</language><subject>ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; CYCLE SADDLES OR SEATS ; CYCLES ; DYNAMO-ELECTRIC MACHINES ; ELECTRICITY ; GENERATION ; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS ; MEASURING ; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE ; PERFORMING OPERATIONS ; PHYSICS ; POWERED PROPULSION OF SLEDGES OR ; RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES ; TESTING ; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES ; TRANSPORTING</subject><creationdate>2024</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=20240416&DB=EPODOC&CC=US&NR=11958567B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240416&DB=EPODOC&CC=US&NR=11958567B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Hsu, Yi-Hsing</creatorcontrib><creatorcontrib>Teng, Cheng-I</creatorcontrib><title>Coaxial mid-drive power device of bicycle</title><description>A coaxial mid-drive power device of a bicycle includes a reducing structure and a hollow shaft motor engaged with the reducing structure that are disposed in a motor base. An output end of the reducing structure is operatively coupled with a one-way bearing bracket with a sprocket base via a one-way bearing. A crank spindle engaged with the one-way bearing bracket through another one-way bearing penetrates through the motor base. The two one-way bearings respectively have opposite rotation directions and are respectively located on different sides, i.e., an inside and an outside, of the one-way bearing bracket. A strain gauge disposed on the crank spindle is electrically connected to an annular conductive rail assembly engaged with the crank spindle and an elastic sheet assembly on a control circuit board in the motor base, hence the strain gauge could directly obtain a change in a torque of the crank spindle.</description><subject>ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>CYCLE SADDLES OR SEATS</subject><subject>CYCLES</subject><subject>DYNAMO-ELECTRIC MACHINES</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</subject><subject>MEASURING</subject><subject>MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>POWERED PROPULSION OF SLEDGES OR</subject><subject>RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES</subject><subject>TESTING</subject><subject>TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB0zk-syEzMUcjNTNFNKcosS1UoyC9PLVJISS3LTE5VyE9TSMpMrkzOSeVhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfGhwYaGlqYWpmbmTobGxKgBANtTKIU</recordid><startdate>20240416</startdate><enddate>20240416</enddate><creator>Hsu, Yi-Hsing</creator><creator>Teng, Cheng-I</creator><scope>EVB</scope></search><sort><creationdate>20240416</creationdate><title>Coaxial mid-drive power device of bicycle</title><author>Hsu, Yi-Hsing ; Teng, Cheng-I</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US11958567B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2024</creationdate><topic>ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>CYCLE SADDLES OR SEATS</topic><topic>CYCLES</topic><topic>DYNAMO-ELECTRIC MACHINES</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</topic><topic>MEASURING</topic><topic>MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>POWERED PROPULSION OF SLEDGES OR</topic><topic>RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES</topic><topic>TESTING</topic><topic>TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>Hsu, Yi-Hsing</creatorcontrib><creatorcontrib>Teng, Cheng-I</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Hsu, Yi-Hsing</au><au>Teng, Cheng-I</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Coaxial mid-drive power device of bicycle</title><date>2024-04-16</date><risdate>2024</risdate><abstract>A coaxial mid-drive power device of a bicycle includes a reducing structure and a hollow shaft motor engaged with the reducing structure that are disposed in a motor base. An output end of the reducing structure is operatively coupled with a one-way bearing bracket with a sprocket base via a one-way bearing. A crank spindle engaged with the one-way bearing bracket through another one-way bearing penetrates through the motor base. The two one-way bearings respectively have opposite rotation directions and are respectively located on different sides, i.e., an inside and an outside, of the one-way bearing bracket. A strain gauge disposed on the crank spindle is electrically connected to an annular conductive rail assembly engaged with the crank spindle and an elastic sheet assembly on a control circuit board in the motor base, hence the strain gauge could directly obtain a change in a torque of the crank spindle.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER CYCLE SADDLES OR SEATS CYCLES DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PERFORMING OPERATIONS PHYSICS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES TESTING TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING |
| title | Coaxial mid-drive power device of bicycle |
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