FOUR-WHEEL STEERING DEVICE
PURPOSE:To enable checking an electric drive source for a control valve, a bypass valve, a valve displacement sensor by keeping the bypass valve open, and driving the electric drive source, when an engine signal is turned on and a vehicle speed signal indicates a zero-speed. CONSTITUTION:A controlle...
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| creator | KITANI KAZUO TOYOFUKU KATSUYA INOUE NOBUAKI FUJII TADAAKI TSUNODA TAKAO KOHATA KENICHI SONODA HIROTETSU HORI HIDEO |
| description | PURPOSE:To enable checking an electric drive source for a control valve, a bypass valve, a valve displacement sensor by keeping the bypass valve open, and driving the electric drive source, when an engine signal is turned on and a vehicle speed signal indicates a zero-speed. CONSTITUTION:A controller 6 operates the stepping motor 13 of a control valve 10 over the whole range of the operation stroke thereof, while a by-pass valve 15 being kept open and both chambers 3a and 3b of a rear wheel steering power cylinder 3 being made continuous to each other, when an engine signal from an engine start sensor 26 is turned on and a vehicle speed signal from a vehicle speed sensor 19 indicates a zero-speed. In this state, valve displacement is detected with a valve displacement detection sensor 14, thereby performing the self-check of a motor 13, a by-pass valve 15 and a sensor 14. At the same time, the output of a rear wheel steering angle sensor 20 is detected. Upon finding any failure, the bypass valve 15 is kept open, rear wheels 5 are turned into a non-steering state and only front wheels 3 are kept in two-wheel steering state. |
| format | Patent |
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CONSTITUTION:A controller 6 operates the stepping motor 13 of a control valve 10 over the whole range of the operation stroke thereof, while a by-pass valve 15 being kept open and both chambers 3a and 3b of a rear wheel steering power cylinder 3 being made continuous to each other, when an engine signal from an engine start sensor 26 is turned on and a vehicle speed signal from a vehicle speed sensor 19 indicates a zero-speed. In this state, valve displacement is detected with a valve displacement detection sensor 14, thereby performing the self-check of a motor 13, a by-pass valve 15 and a sensor 14. At the same time, the output of a rear wheel steering angle sensor 20 is detected. Upon finding any failure, the bypass valve 15 is kept open, rear wheels 5 are turned into a non-steering state and only front wheels 3 are kept in two-wheel steering state.</description><language>eng</language><subject>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS ; MOTOR VEHICLES ; PERFORMING OPERATIONS ; TRAILERS ; TRANSPORTING</subject><creationdate>1991</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=19910422&DB=EPODOC&CC=JP&NR=H0396485A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19910422&DB=EPODOC&CC=JP&NR=H0396485A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KITANI KAZUO</creatorcontrib><creatorcontrib>TOYOFUKU KATSUYA</creatorcontrib><creatorcontrib>INOUE NOBUAKI</creatorcontrib><creatorcontrib>FUJII TADAAKI</creatorcontrib><creatorcontrib>TSUNODA TAKAO</creatorcontrib><creatorcontrib>KOHATA KENICHI</creatorcontrib><creatorcontrib>SONODA HIROTETSU</creatorcontrib><creatorcontrib>HORI HIDEO</creatorcontrib><title>FOUR-WHEEL STEERING DEVICE</title><description>PURPOSE:To enable checking an electric drive source for a control valve, a bypass valve, a valve displacement sensor by keeping the bypass valve open, and driving the electric drive source, when an engine signal is turned on and a vehicle speed signal indicates a zero-speed. CONSTITUTION:A controller 6 operates the stepping motor 13 of a control valve 10 over the whole range of the operation stroke thereof, while a by-pass valve 15 being kept open and both chambers 3a and 3b of a rear wheel steering power cylinder 3 being made continuous to each other, when an engine signal from an engine start sensor 26 is turned on and a vehicle speed signal from a vehicle speed sensor 19 indicates a zero-speed. In this state, valve displacement is detected with a valve displacement detection sensor 14, thereby performing the self-check of a motor 13, a by-pass valve 15 and a sensor 14. At the same time, the output of a rear wheel steering angle sensor 20 is detected. Upon finding any failure, the bypass valve 15 is kept open, rear wheels 5 are turned into a non-steering state and only front wheels 3 are kept in two-wheel steering state.</description><subject>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</subject><subject>MOTOR VEHICLES</subject><subject>PERFORMING OPERATIONS</subject><subject>TRAILERS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1991</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJBy8w8N0g33cHX1UQgOcXUN8vRzV3BxDfN0duVhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfFeAR4GxpZmJhamjsZEKAEA-J8gFg</recordid><startdate>19910422</startdate><enddate>19910422</enddate><creator>KITANI KAZUO</creator><creator>TOYOFUKU KATSUYA</creator><creator>INOUE NOBUAKI</creator><creator>FUJII TADAAKI</creator><creator>TSUNODA TAKAO</creator><creator>KOHATA KENICHI</creator><creator>SONODA HIROTETSU</creator><creator>HORI HIDEO</creator><scope>EVB</scope></search><sort><creationdate>19910422</creationdate><title>FOUR-WHEEL STEERING DEVICE</title><author>KITANI KAZUO ; TOYOFUKU KATSUYA ; INOUE NOBUAKI ; FUJII TADAAKI ; TSUNODA TAKAO ; KOHATA KENICHI ; SONODA HIROTETSU ; HORI HIDEO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH0396485A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1991</creationdate><topic>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</topic><topic>MOTOR VEHICLES</topic><topic>PERFORMING OPERATIONS</topic><topic>TRAILERS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>KITANI KAZUO</creatorcontrib><creatorcontrib>TOYOFUKU KATSUYA</creatorcontrib><creatorcontrib>INOUE NOBUAKI</creatorcontrib><creatorcontrib>FUJII TADAAKI</creatorcontrib><creatorcontrib>TSUNODA TAKAO</creatorcontrib><creatorcontrib>KOHATA KENICHI</creatorcontrib><creatorcontrib>SONODA HIROTETSU</creatorcontrib><creatorcontrib>HORI HIDEO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KITANI KAZUO</au><au>TOYOFUKU KATSUYA</au><au>INOUE NOBUAKI</au><au>FUJII TADAAKI</au><au>TSUNODA TAKAO</au><au>KOHATA KENICHI</au><au>SONODA HIROTETSU</au><au>HORI HIDEO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FOUR-WHEEL STEERING DEVICE</title><date>1991-04-22</date><risdate>1991</risdate><abstract>PURPOSE:To enable checking an electric drive source for a control valve, a bypass valve, a valve displacement sensor by keeping the bypass valve open, and driving the electric drive source, when an engine signal is turned on and a vehicle speed signal indicates a zero-speed. CONSTITUTION:A controller 6 operates the stepping motor 13 of a control valve 10 over the whole range of the operation stroke thereof, while a by-pass valve 15 being kept open and both chambers 3a and 3b of a rear wheel steering power cylinder 3 being made continuous to each other, when an engine signal from an engine start sensor 26 is turned on and a vehicle speed signal from a vehicle speed sensor 19 indicates a zero-speed. In this state, valve displacement is detected with a valve displacement detection sensor 14, thereby performing the self-check of a motor 13, a by-pass valve 15 and a sensor 14. At the same time, the output of a rear wheel steering angle sensor 20 is detected. Upon finding any failure, the bypass valve 15 is kept open, rear wheels 5 are turned into a non-steering state and only front wheels 3 are kept in two-wheel steering state.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING |
| title | FOUR-WHEEL STEERING DEVICE |
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