Control system for four-wheel-drive vehicle
In a control system, a transfer is connected to a rotation member between a driving power source and primary driving wheels and distributes dynamic power of the driving power source to secondary drive wheels. A driving power transmission shaft transmits the dynamic power of the driving power source...
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| creator | Iwatsuki Kunihiro Ishii Hiroyuki Maeda Yoshinori |
| description | In a control system, a transfer is connected to a rotation member between a driving power source and primary driving wheels and distributes dynamic power of the driving power source to secondary drive wheels. A driving power transmission shaft transmits the dynamic power of the driving power source distributed by the transfer to the secondary drive wheels. A connection-disconnection mechanism is disposed between the rotation member and the driving power transmission shaft. First and second clutches are disposed respectively between the driving power transmission shaft and right and left wheels of the secondary drive wheels. The electronic control unit is configured, when switching from a two-wheel-drive running state to a four-wheel-drive running state on the basis of a vehicle running state, to generate a transmission torque in the first clutch or the second clutch after controlling the connection-disconnection mechanism to engage the connection-disconnection mechanism. |
| format | Patent |
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A driving power transmission shaft transmits the dynamic power of the driving power source distributed by the transfer to the secondary drive wheels. A connection-disconnection mechanism is disposed between the rotation member and the driving power transmission shaft. First and second clutches are disposed respectively between the driving power transmission shaft and right and left wheels of the secondary drive wheels. The electronic control unit is configured, when switching from a two-wheel-drive running state to a four-wheel-drive running state on the basis of a vehicle running state, to generate a transmission torque in the first clutch or the second clutch after controlling the connection-disconnection mechanism to engage the connection-disconnection mechanism.</description><language>eng</language><subject>ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES ; AUXILIARY DRIVES FOR VEHICLES ; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION ; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES ; PERFORMING OPERATIONS ; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TRANSPORTING ; VEHICLES IN GENERAL</subject><creationdate>2017</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=20170321&DB=EPODOC&CC=US&NR=9598068B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170321&DB=EPODOC&CC=US&NR=9598068B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Iwatsuki Kunihiro</creatorcontrib><creatorcontrib>Ishii Hiroyuki</creatorcontrib><creatorcontrib>Maeda Yoshinori</creatorcontrib><title>Control system for four-wheel-drive vehicle</title><description>In a control system, a transfer is connected to a rotation member between a driving power source and primary driving wheels and distributes dynamic power of the driving power source to secondary drive wheels. A driving power transmission shaft transmits the dynamic power of the driving power source distributed by the transfer to the secondary drive wheels. A connection-disconnection mechanism is disposed between the rotation member and the driving power transmission shaft. First and second clutches are disposed respectively between the driving power transmission shaft and right and left wheels of the secondary drive wheels. The electronic control unit is configured, when switching from a two-wheel-drive running state to a four-wheel-drive running state on the basis of a vehicle running state, to generate a transmission torque in the first clutch or the second clutch after controlling the connection-disconnection mechanism to engage the connection-disconnection mechanism.</description><subject>ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES</subject><subject>ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES</subject><subject>ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES</subject><subject>AUXILIARY DRIVES FOR VEHICLES</subject><subject>CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION</subject><subject>CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>INSTRUMENTATION OR DASHBOARDS FOR VEHICLES</subject><subject>PERFORMING OPERATIONS</subject><subject>ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB2zs8rKcrPUSiuLC5JzVVIyy8C4tIi3fKM1NQc3ZSizLJUhbLUjMzknFQeBta0xJziVF4ozc2g4OYa4uyhm1qQH59aXJCYnJqXWhIfGmxpamlhYGbhZGRMhBIAKgEpcA</recordid><startdate>20170321</startdate><enddate>20170321</enddate><creator>Iwatsuki Kunihiro</creator><creator>Ishii Hiroyuki</creator><creator>Maeda Yoshinori</creator><scope>EVB</scope></search><sort><creationdate>20170321</creationdate><title>Control system for four-wheel-drive vehicle</title><author>Iwatsuki Kunihiro ; Ishii Hiroyuki ; Maeda Yoshinori</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9598068B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2017</creationdate><topic>ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES</topic><topic>ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES</topic><topic>ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES</topic><topic>AUXILIARY DRIVES FOR VEHICLES</topic><topic>CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION</topic><topic>CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>INSTRUMENTATION OR DASHBOARDS FOR VEHICLES</topic><topic>PERFORMING OPERATIONS</topic><topic>ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>Iwatsuki Kunihiro</creatorcontrib><creatorcontrib>Ishii Hiroyuki</creatorcontrib><creatorcontrib>Maeda Yoshinori</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Iwatsuki Kunihiro</au><au>Ishii Hiroyuki</au><au>Maeda Yoshinori</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Control system for four-wheel-drive vehicle</title><date>2017-03-21</date><risdate>2017</risdate><abstract>In a control system, a transfer is connected to a rotation member between a driving power source and primary driving wheels and distributes dynamic power of the driving power source to secondary drive wheels. A driving power transmission shaft transmits the dynamic power of the driving power source distributed by the transfer to the secondary drive wheels. A connection-disconnection mechanism is disposed between the rotation member and the driving power transmission shaft. First and second clutches are disposed respectively between the driving power transmission shaft and right and left wheels of the secondary drive wheels. The electronic control unit is configured, when switching from a two-wheel-drive running state to a four-wheel-drive running state on the basis of a vehicle running state, to generate a transmission torque in the first clutch or the second clutch after controlling the connection-disconnection mechanism to engage the connection-disconnection mechanism.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING VEHICLES IN GENERAL |
| title | Control system for four-wheel-drive vehicle |
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