Work vehicle with hydraulic assist for power off steering
A steering system for a work vehicle includes a steering hand pump, a hydraulic main supply line fluidly coupled with the steering hand pump and including a check valve, and a normally open, two position valve. The valve includes an inlet fluidly couplable with a pressurized access point of a hydrau...
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creator | Vandendriessche Rik Leplae Wim Osselaere Guy H. J Smith Brent E Verheye Carlos J. A Anderson Bruce E Trowbridge Jeffrey C Clifford Jimmie D |
description | A steering system for a work vehicle includes a steering hand pump, a hydraulic main supply line fluidly coupled with the steering hand pump and including a check valve, and a normally open, two position valve. The valve includes an inlet fluidly couplable with a pressurized access point of a hydraulic sub-system, an outlet fluidly coupled with the main supply line on a downstream side of the check valve, and a pilot port fluidly coupled with the main supply line on an upstream side of the check valve. The valve is operable in the closed position based on pressure in the main supply line when the main supply line is pressurized from a pressure source, and operable in the open position and interconnecting the pressurized access point with the main supply line through the outlet when the main supply line is not pressurized from the pressure source. |
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A ; Anderson Bruce E ; Trowbridge Jeffrey C ; Clifford Jimmie D</creatorcontrib><description>A steering system for a work vehicle includes a steering hand pump, a hydraulic main supply line fluidly coupled with the steering hand pump and including a check valve, and a normally open, two position valve. The valve includes an inlet fluidly couplable with a pressurized access point of a hydraulic sub-system, an outlet fluidly coupled with the main supply line on a downstream side of the check valve, and a pilot port fluidly coupled with the main supply line on an upstream side of the check valve. The valve is operable in the closed position based on pressure in the main supply line when the main supply line is pressurized from a pressure source, and operable in the open position and interconnecting the pressurized access point with the main supply line through the outlet when the main supply line is not pressurized from the pressure source.</description><language>eng</language><subject>AGRICULTURE ; ANIMAL HUSBANDRY ; FISHING ; FORESTRY ; HARVESTING ; HUMAN NECESSITIES ; HUNTING ; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS ; MOTOR VEHICLES ; MOWING ; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL ; PERFORMING OPERATIONS ; SOIL WORKING IN AGRICULTURE OR FORESTRY ; TRAILERS ; TRANSPORTING ; TRAPPING</subject><creationdate>2018</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=20180116&DB=EPODOC&CC=US&NR=9867325B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180116&DB=EPODOC&CC=US&NR=9867325B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Vandendriessche Rik</creatorcontrib><creatorcontrib>Leplae Wim</creatorcontrib><creatorcontrib>Osselaere Guy H. J</creatorcontrib><creatorcontrib>Smith Brent E</creatorcontrib><creatorcontrib>Verheye Carlos J. A</creatorcontrib><creatorcontrib>Anderson Bruce E</creatorcontrib><creatorcontrib>Trowbridge Jeffrey C</creatorcontrib><creatorcontrib>Clifford Jimmie D</creatorcontrib><title>Work vehicle with hydraulic assist for power off steering</title><description>A steering system for a work vehicle includes a steering hand pump, a hydraulic main supply line fluidly coupled with the steering hand pump and including a check valve, and a normally open, two position valve. The valve includes an inlet fluidly couplable with a pressurized access point of a hydraulic sub-system, an outlet fluidly coupled with the main supply line on a downstream side of the check valve, and a pilot port fluidly coupled with the main supply line on an upstream side of the check valve. The valve is operable in the closed position based on pressure in the main supply line when the main supply line is pressurized from a pressure source, and operable in the open position and interconnecting the pressurized access point with the main supply line through the outlet when the main supply line is not pressurized from the pressure source.</description><subject>AGRICULTURE</subject><subject>ANIMAL HUSBANDRY</subject><subject>FISHING</subject><subject>FORESTRY</subject><subject>HARVESTING</subject><subject>HUMAN NECESSITIES</subject><subject>HUNTING</subject><subject>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</subject><subject>MOTOR VEHICLES</subject><subject>MOWING</subject><subject>PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL</subject><subject>PERFORMING OPERATIONS</subject><subject>SOIL WORKING IN AGRICULTURE OR FORESTRY</subject><subject>TRAILERS</subject><subject>TRANSPORTING</subject><subject>TRAPPING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAMzy_KVihLzchMzklVKM8syVDIqEwpSizNyUxWSCwuziwuUUjLL1IoyC9PLVLIT0tTKC5JTS3KzEvnYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxocGWFmbmxkamTkbGRCgBAPxDLq0</recordid><startdate>20180116</startdate><enddate>20180116</enddate><creator>Vandendriessche Rik</creator><creator>Leplae Wim</creator><creator>Osselaere Guy H. 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A ; Anderson Bruce E ; Trowbridge Jeffrey C ; Clifford Jimmie D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9867325B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2018</creationdate><topic>AGRICULTURE</topic><topic>ANIMAL HUSBANDRY</topic><topic>FISHING</topic><topic>FORESTRY</topic><topic>HARVESTING</topic><topic>HUMAN NECESSITIES</topic><topic>HUNTING</topic><topic>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</topic><topic>MOTOR VEHICLES</topic><topic>MOWING</topic><topic>PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL</topic><topic>PERFORMING OPERATIONS</topic><topic>SOIL WORKING IN AGRICULTURE OR FORESTRY</topic><topic>TRAILERS</topic><topic>TRANSPORTING</topic><topic>TRAPPING</topic><toplevel>online_resources</toplevel><creatorcontrib>Vandendriessche Rik</creatorcontrib><creatorcontrib>Leplae Wim</creatorcontrib><creatorcontrib>Osselaere Guy H. J</creatorcontrib><creatorcontrib>Smith Brent E</creatorcontrib><creatorcontrib>Verheye Carlos J. A</creatorcontrib><creatorcontrib>Anderson Bruce E</creatorcontrib><creatorcontrib>Trowbridge Jeffrey C</creatorcontrib><creatorcontrib>Clifford Jimmie D</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Vandendriessche Rik</au><au>Leplae Wim</au><au>Osselaere Guy H. J</au><au>Smith Brent E</au><au>Verheye Carlos J. A</au><au>Anderson Bruce E</au><au>Trowbridge Jeffrey C</au><au>Clifford Jimmie D</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Work vehicle with hydraulic assist for power off steering</title><date>2018-01-16</date><risdate>2018</risdate><abstract>A steering system for a work vehicle includes a steering hand pump, a hydraulic main supply line fluidly coupled with the steering hand pump and including a check valve, and a normally open, two position valve. The valve includes an inlet fluidly couplable with a pressurized access point of a hydraulic sub-system, an outlet fluidly coupled with the main supply line on a downstream side of the check valve, and a pilot port fluidly coupled with the main supply line on an upstream side of the check valve. The valve is operable in the closed position based on pressure in the main supply line when the main supply line is pressurized from a pressure source, and operable in the open position and interconnecting the pressurized access point with the main supply line through the outlet when the main supply line is not pressurized from the pressure source.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | AGRICULTURE ANIMAL HUSBANDRY FISHING FORESTRY HARVESTING HUMAN NECESSITIES HUNTING LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES MOWING PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL PERFORMING OPERATIONS SOIL WORKING IN AGRICULTURE OR FORESTRY TRAILERS TRANSPORTING TRAPPING |
title | Work vehicle with hydraulic assist for power off steering |
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