Electronic expansion valve
The electronic expansion valve comprises a valve shell, a rotor assembly, a circuit board and a sensor, a bottom wall is arranged in a box body part of the valve shell, a convex hull structure is arranged on the bottom wall, a rotor cavity in a coil part of the valve shell extends into the convex hu...
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| creator | ZHENG LIHUA YUAN BOFENG XIAO CHENCAN |
| description | The electronic expansion valve comprises a valve shell, a rotor assembly, a circuit board and a sensor, a bottom wall is arranged in a box body part of the valve shell, a convex hull structure is arranged on the bottom wall, a rotor cavity in a coil part of the valve shell extends into the convex hull structure, the rotor assembly is rotatably arranged in the rotor cavity, the circuit board is arranged in a containing cavity, and the sensor is arranged in the containing cavity. The sensor is used for sensing magnetic pole changes of the rotor assembly and comprises a sensing body and a plurality of contact pins, a support is arranged between the circuit board and the bottom wall and located on one side of the convex hull structure, the support is provided with a containing groove penetrating through the bottom end of the support, and the side, facing the convex hull structure, of the support is provided with a sensing hole. The top end of the support is provided with a pin guide hole for the pin to pass throu |
| format | Patent |
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The sensor is used for sensing magnetic pole changes of the rotor assembly and comprises a sensing body and a plurality of contact pins, a support is arranged between the circuit board and the bottom wall and located on one side of the convex hull structure, the support is provided with a containing groove penetrating through the bottom end of the support, and the side, facing the convex hull structure, of the support is provided with a sensing hole. The top end of the support is provided with a pin guide hole for the pin to pass throu</description><language>chi ; eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; STANDS OR SUPPORTS ; 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=20240319&DB=EPODOC&CC=CN&NR=117722521A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240319&DB=EPODOC&CC=CN&NR=117722521A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHENG LIHUA</creatorcontrib><creatorcontrib>YUAN BOFENG</creatorcontrib><creatorcontrib>XIAO CHENCAN</creatorcontrib><title>Electronic expansion valve</title><description>The electronic expansion valve comprises a valve shell, a rotor assembly, a circuit board and a sensor, a bottom wall is arranged in a box body part of the valve shell, a convex hull structure is arranged on the bottom wall, a rotor cavity in a coil part of the valve shell extends into the convex hull structure, the rotor assembly is rotatably arranged in the rotor cavity, the circuit board is arranged in a containing cavity, and the sensor is arranged in the containing cavity. The sensor is used for sensing magnetic pole changes of the rotor assembly and comprises a sensing body and a plurality of contact pins, a support is arranged between the circuit board and the bottom wall and located on one side of the convex hull structure, the support is provided with a containing groove penetrating through the bottom end of the support, and the side, facing the convex hull structure, of the support is provided with a sensing hole. The top end of the support is provided with a pin guide hole for the pin to pass throu</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>FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE</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>STANDS OR SUPPORTS</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>eNrjZJByzUlNLinKz8tMVkitKEjMK87Mz1MoS8wpS-VhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfHOfoaG5uZGRqZGho7GxKgBAGCDIzQ</recordid><startdate>20240319</startdate><enddate>20240319</enddate><creator>ZHENG LIHUA</creator><creator>YUAN BOFENG</creator><creator>XIAO CHENCAN</creator><scope>EVB</scope></search><sort><creationdate>20240319</creationdate><title>Electronic expansion valve</title><author>ZHENG LIHUA ; YUAN BOFENG ; XIAO CHENCAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN117722521A3</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>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE</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>STANDS OR SUPPORTS</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHENG LIHUA</creatorcontrib><creatorcontrib>YUAN BOFENG</creatorcontrib><creatorcontrib>XIAO CHENCAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHENG LIHUA</au><au>YUAN BOFENG</au><au>XIAO CHENCAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Electronic expansion valve</title><date>2024-03-19</date><risdate>2024</risdate><abstract>The electronic expansion valve comprises a valve shell, a rotor assembly, a circuit board and a sensor, a bottom wall is arranged in a box body part of the valve shell, a convex hull structure is arranged on the bottom wall, a rotor cavity in a coil part of the valve shell extends into the convex hull structure, the rotor assembly is rotatably arranged in the rotor cavity, the circuit board is arranged in a containing cavity, and the sensor is arranged in the containing cavity. The sensor is used for sensing magnetic pole changes of the rotor assembly and comprises a sensing body and a plurality of contact pins, a support is arranged between the circuit board and the bottom wall and located on one side of the convex hull structure, the support is provided with a containing groove penetrating through the bottom end of the support, and the side, facing the convex hull structure, of the support is provided with a sensing hole. The top end of the support is provided with a pin guide hole for the pin to pass throu</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING STANDS OR SUPPORTS TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | Electronic expansion valve |
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