Follow-up pilot proportional valve
The invention provides a follow-up pilot proportional valve which comprises a valve body provided with a liquid outlet cavity, a liquid inlet cavity, a first main valve cavity and a second main valve cavity. The main valve element is arranged in the valve body in a sliding manner; the pilot sliding...
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| creator | ZHOU RULIN WANG SHUSHENG ZHANG YANG QIAO ZISHI |
| description | The invention provides a follow-up pilot proportional valve which comprises a valve body provided with a liquid outlet cavity, a liquid inlet cavity, a first main valve cavity and a second main valve cavity. The main valve element is arranged in the valve body in a sliding manner; the pilot sliding valve is arranged at the end, close to the control cavity, of the main valve element in a sliding mode, and the pilot sliding valve is used for opening and closing the radial throttling hole; and the driving device is used for driving the pilot slide valve to slide. According to the follow-up pilot proportional valve, the pilot sliding valve closes the radial throttling hole, so that the main valve element is pressed by closing force, the stability of the closing state is guaranteed, and the control precision, stability and consistency of the follow-up pilot proportional valve in the opening state are further improved; compared with other follow-up pilot proportional valves, the whole structure of the follow-up pil |
| format | Patent |
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The main valve element is arranged in the valve body in a sliding manner; the pilot sliding valve is arranged at the end, close to the control cavity, of the main valve element in a sliding mode, and the pilot sliding valve is used for opening and closing the radial throttling hole; and the driving device is used for driving the pilot slide valve to slide. According to the follow-up pilot proportional valve, the pilot sliding valve closes the radial throttling hole, so that the main valve element is pressed by closing force, the stability of the closing state is guaranteed, and the control precision, stability and consistency of the follow-up pilot proportional valve in the opening state are further improved; compared with other follow-up pilot proportional valves, the whole structure of the follow-up pil</description><language>chi ; eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; 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=20240910&DB=EPODOC&CC=CN&NR=118623067A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240910&DB=EPODOC&CC=CN&NR=118623067A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHOU RULIN</creatorcontrib><creatorcontrib>WANG SHUSHENG</creatorcontrib><creatorcontrib>ZHANG YANG</creatorcontrib><creatorcontrib>QIAO ZISHI</creatorcontrib><title>Follow-up pilot proportional valve</title><description>The invention provides a follow-up pilot proportional valve which comprises a valve body provided with a liquid outlet cavity, a liquid inlet cavity, a first main valve cavity and a second main valve cavity. The main valve element is arranged in the valve body in a sliding manner; the pilot sliding valve is arranged at the end, close to the control cavity, of the main valve element in a sliding mode, and the pilot sliding valve is used for opening and closing the radial throttling hole; and the driving device is used for driving the pilot slide valve to slide. According to the follow-up pilot proportional valve, the pilot sliding valve closes the radial throttling hole, so that the main valve element is pressed by closing force, the stability of the closing state is guaranteed, and the control precision, stability and consistency of the follow-up pilot proportional valve in the opening state are further improved; compared with other follow-up pilot proportional valves, the whole structure of the follow-up pil</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</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>eNrjZFByy8_JyS_XLS1QKMjMyS9RKCjKL8gvKsnMz0vMUShLzClL5WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8c5-hoYWZkbGBmbmjsbEqAEA1BomYQ</recordid><startdate>20240910</startdate><enddate>20240910</enddate><creator>ZHOU RULIN</creator><creator>WANG SHUSHENG</creator><creator>ZHANG YANG</creator><creator>QIAO ZISHI</creator><scope>EVB</scope></search><sort><creationdate>20240910</creationdate><title>Follow-up pilot proportional valve</title><author>ZHOU RULIN ; WANG SHUSHENG ; ZHANG YANG ; QIAO ZISHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN118623067A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2024</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHOU RULIN</creatorcontrib><creatorcontrib>WANG SHUSHENG</creatorcontrib><creatorcontrib>ZHANG YANG</creatorcontrib><creatorcontrib>QIAO ZISHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHOU RULIN</au><au>WANG SHUSHENG</au><au>ZHANG YANG</au><au>QIAO ZISHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Follow-up pilot proportional valve</title><date>2024-09-10</date><risdate>2024</risdate><abstract>The invention provides a follow-up pilot proportional valve which comprises a valve body provided with a liquid outlet cavity, a liquid inlet cavity, a first main valve cavity and a second main valve cavity. The main valve element is arranged in the valve body in a sliding manner; the pilot sliding valve is arranged at the end, close to the control cavity, of the main valve element in a sliding mode, and the pilot sliding valve is used for opening and closing the radial throttling hole; and the driving device is used for driving the pilot slide valve to slide. According to the follow-up pilot proportional valve, the pilot sliding valve closes the radial throttling hole, so that the main valve element is pressed by closing force, the stability of the closing state is guaranteed, and the control precision, stability and consistency of the follow-up pilot proportional valve in the opening state are further improved; compared with other follow-up pilot proportional valves, the whole structure of the follow-up pil</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ACTUATING-FLOATS BLASTING COCKS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | Follow-up pilot proportional valve |
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