HYDRAULIC CONTROL VALVE, HYDRAULIC CONTROL SYSTEM AND TRANSMISSION
Provided are a hydraulic control valve (1), a hydraulic control system, and a transmission. The hydraulic control valve (1) includes a valve body (11), a slidable valve cartridge (12), and a pressing mechanism. A valve hole (111), a first oil supply port (112), a second oil supply port (113), and an...
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| creator | ZHAO, Wenjiang WANG, Ruiping SCHOLTEN, Ingo LIN, Xiaozhe FU, Lingling QIU, Zhiling TAN, Yanjun |
| description | Provided are a hydraulic control valve (1), a hydraulic control system, and a transmission. The hydraulic control valve (1) includes a valve body (11), a slidable valve cartridge (12), and a pressing mechanism. A valve hole (111), a first oil supply port (112), a second oil supply port (113), and an oil discharge port (114) are formed at the valve body (11), and each of the first oil supply port (112), the second oil supply port (113), and the oil discharge port (114) is in communication with the valve hole (111). Both the slidable valve cartridge (12) and the pressing mechanism are accommodated within the valve hole (111). The slidable valve cartridge (12) has a small end close to an end of the valve hole (111) and a large end abutting against the pressing mechanism. The pressing mechanism is disposed at another end of the valve hole (111). The slidable valve cartridge (12) is configured to move towards the pressing mechanism when a total oil supply pressure on the slidable valve cartridge (12) from the first oil supply port (112) and the second oil supply port (113) is greater than a pressing force from the pressing mechanism, to bring the first oil port (112) into communication with the oil discharge port (114) via the valve hole (111) to perform pressure relief. Therefore, it is possible to avoid a safety accident where the transmission is locked due to simultaneous engagement of two oil cylinders. Thus, this transmission can solves problems of high cost and large space occupation in the transmission anti-self-locking technology in the related art. |
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The hydraulic control valve (1) includes a valve body (11), a slidable valve cartridge (12), and a pressing mechanism. A valve hole (111), a first oil supply port (112), a second oil supply port (113), and an oil discharge port (114) are formed at the valve body (11), and each of the first oil supply port (112), the second oil supply port (113), and the oil discharge port (114) is in communication with the valve hole (111). Both the slidable valve cartridge (12) and the pressing mechanism are accommodated within the valve hole (111). The slidable valve cartridge (12) has a small end close to an end of the valve hole (111) and a large end abutting against the pressing mechanism. The pressing mechanism is disposed at another end of the valve hole (111). The slidable valve cartridge (12) is configured to move towards the pressing mechanism when a total oil supply pressure on the slidable valve cartridge (12) from the first oil supply port (112) and the second oil supply port (113) is greater than a pressing force from the pressing mechanism, to bring the first oil port (112) into communication with the oil discharge port (114) via the valve hole (111) to perform pressure relief. Therefore, it is possible to avoid a safety accident where the transmission is locked due to simultaneous engagement of two oil cylinders. Thus, this transmission can solves problems of high cost and large space occupation in the transmission anti-self-locking technology in the related art.</description><language>eng ; fre ; ger</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</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=20240403&DB=EPODOC&CC=EP&NR=4279779A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25568,76551</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240403&DB=EPODOC&CC=EP&NR=4279779A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHAO, Wenjiang</creatorcontrib><creatorcontrib>WANG, Ruiping</creatorcontrib><creatorcontrib>SCHOLTEN, Ingo</creatorcontrib><creatorcontrib>LIN, Xiaozhe</creatorcontrib><creatorcontrib>FU, Lingling</creatorcontrib><creatorcontrib>QIU, Zhiling</creatorcontrib><creatorcontrib>TAN, Yanjun</creatorcontrib><title>HYDRAULIC CONTROL VALVE, HYDRAULIC CONTROL SYSTEM AND TRANSMISSION</title><description>Provided are a hydraulic control valve (1), a hydraulic control system, and a transmission. The hydraulic control valve (1) includes a valve body (11), a slidable valve cartridge (12), and a pressing mechanism. A valve hole (111), a first oil supply port (112), a second oil supply port (113), and an oil discharge port (114) are formed at the valve body (11), and each of the first oil supply port (112), the second oil supply port (113), and the oil discharge port (114) is in communication with the valve hole (111). Both the slidable valve cartridge (12) and the pressing mechanism are accommodated within the valve hole (111). The slidable valve cartridge (12) has a small end close to an end of the valve hole (111) and a large end abutting against the pressing mechanism. The pressing mechanism is disposed at another end of the valve hole (111). The slidable valve cartridge (12) is configured to move towards the pressing mechanism when a total oil supply pressure on the slidable valve cartridge (12) from the first oil supply port (112) and the second oil supply port (113) is greater than a pressing force from the pressing mechanism, to bring the first oil port (112) into communication with the oil discharge port (114) via the valve hole (111) to perform pressure relief. Therefore, it is possible to avoid a safety accident where the transmission is locked due to simultaneous engagement of two oil cylinders. Thus, this transmission can solves problems of high cost and large space occupation in the transmission anti-self-locking technology in the related art.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHDyiHQJcgz18XRWcPb3Cwny91EIc_QJc9VRwJQIjgwOcfVVcPRzUQgJcvQL9vUMDvb09-NhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuASZG5pbm5paOJsZEKAEA4mUraQ</recordid><startdate>20240403</startdate><enddate>20240403</enddate><creator>ZHAO, Wenjiang</creator><creator>WANG, Ruiping</creator><creator>SCHOLTEN, Ingo</creator><creator>LIN, Xiaozhe</creator><creator>FU, Lingling</creator><creator>QIU, Zhiling</creator><creator>TAN, Yanjun</creator><scope>EVB</scope></search><sort><creationdate>20240403</creationdate><title>HYDRAULIC CONTROL VALVE, HYDRAULIC CONTROL SYSTEM AND TRANSMISSION</title><author>ZHAO, Wenjiang ; WANG, Ruiping ; SCHOLTEN, Ingo ; LIN, Xiaozhe ; FU, Lingling ; QIU, Zhiling ; TAN, Yanjun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP4279779A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2024</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHAO, Wenjiang</creatorcontrib><creatorcontrib>WANG, Ruiping</creatorcontrib><creatorcontrib>SCHOLTEN, Ingo</creatorcontrib><creatorcontrib>LIN, Xiaozhe</creatorcontrib><creatorcontrib>FU, Lingling</creatorcontrib><creatorcontrib>QIU, Zhiling</creatorcontrib><creatorcontrib>TAN, Yanjun</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHAO, Wenjiang</au><au>WANG, Ruiping</au><au>SCHOLTEN, Ingo</au><au>LIN, Xiaozhe</au><au>FU, Lingling</au><au>QIU, Zhiling</au><au>TAN, Yanjun</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HYDRAULIC CONTROL VALVE, HYDRAULIC CONTROL SYSTEM AND TRANSMISSION</title><date>2024-04-03</date><risdate>2024</risdate><abstract>Provided are a hydraulic control valve (1), a hydraulic control system, and a transmission. The hydraulic control valve (1) includes a valve body (11), a slidable valve cartridge (12), and a pressing mechanism. A valve hole (111), a first oil supply port (112), a second oil supply port (113), and an oil discharge port (114) are formed at the valve body (11), and each of the first oil supply port (112), the second oil supply port (113), and the oil discharge port (114) is in communication with the valve hole (111). Both the slidable valve cartridge (12) and the pressing mechanism are accommodated within the valve hole (111). The slidable valve cartridge (12) has a small end close to an end of the valve hole (111) and a large end abutting against the pressing mechanism. The pressing mechanism is disposed at another end of the valve hole (111). The slidable valve cartridge (12) is configured to move towards the pressing mechanism when a total oil supply pressure on the slidable valve cartridge (12) from the first oil supply port (112) and the second oil supply port (113) is greater than a pressing force from the pressing mechanism, to bring the first oil port (112) into communication with the oil discharge port (114) via the valve hole (111) to perform pressure relief. Therefore, it is possible to avoid a safety accident where the transmission is locked due to simultaneous engagement of two oil cylinders. Thus, this transmission can solves problems of high cost and large space occupation in the transmission anti-self-locking technology in the related art.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | HYDRAULIC CONTROL VALVE, HYDRAULIC CONTROL SYSTEM AND TRANSMISSION |
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