Gear pump shell, gear pump and oil supply system
The utility model relates to the technical field of pumps, and discloses a pump shell of a gear pump, the gear pump and an oil supply system, the inner walls of the pump shell of the gear pump, which are positioned at two axial ends of a paired gear, are end inner walls, and the end inner walls are...
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| creator | FAN RUINAN YANG YUANLU YIN YANZHANG |
| description | The utility model relates to the technical field of pumps, and discloses a pump shell of a gear pump, the gear pump and an oil supply system, the inner walls of the pump shell of the gear pump, which are positioned at two axial ends of a paired gear, are end inner walls, and the end inner walls are provided with oil supplementing grooves communicated with a low-pressure area of the gear pump; the oil supplementing device is used for supplementing oil for tooth groove and tooth root areas, located in a transition area of the gear pump, of the matched gear. According to the pump shell of the gear pump provided by the utility model, when the gear pump applying the pump shell of the gear pump works under a high-speed working condition, oil in a tooth groove of a matched gear is thrown to the vicinity of an addendum circle of the matched gear under the action of centrifugal force, so that the oil pressure in a tooth root area of the tooth groove is reduced; at the moment, the oil in the low-pressure area can be au |
| format | Patent |
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According to the pump shell of the gear pump provided by the utility model, when the gear pump applying the pump shell of the gear pump works under a high-speed working condition, oil in a tooth groove of a matched gear is thrown to the vicinity of an addendum circle of the matched gear under the action of centrifugal force, so that the oil pressure in a tooth root area of the tooth groove is reduced; at the moment, the oil in the low-pressure area can be au</description><language>chi ; eng</language><subject>BLASTING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS ; WEAPONS</subject><creationdate>2022</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=20220125&DB=EPODOC&CC=CN&NR=215633740U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220125&DB=EPODOC&CC=CN&NR=215633740U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FAN RUINAN</creatorcontrib><creatorcontrib>YANG YUANLU</creatorcontrib><creatorcontrib>YIN YANZHANG</creatorcontrib><title>Gear pump shell, gear pump and oil supply system</title><description>The utility model relates to the technical field of pumps, and discloses a pump shell of a gear pump, the gear pump and an oil supply system, the inner walls of the pump shell of the gear pump, which are positioned at two axial ends of a paired gear, are end inner walls, and the end inner walls are provided with oil supplementing grooves communicated with a low-pressure area of the gear pump; the oil supplementing device is used for supplementing oil for tooth groove and tooth root areas, located in a transition area of the gear pump, of the matched gear. According to the pump shell of the gear pump provided by the utility model, when the gear pump applying the pump shell of the gear pump works under a high-speed working condition, oil in a tooth groove of a matched gear is thrown to the vicinity of an addendum circle of the matched gear under the action of centrifugal force, so that the oil pressure in a tooth root area of the tooth groove is reduced; at the moment, the oil in the low-pressure area can be au</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDBwT00sUigozS1QKM5IzcnRUUiHCyTmpSjkZ-YoFJcWFORUKhRXFpek5vIwsKYl5hSn8kJpbgYlN9cQZw_d1IL8-NTigsTk1LzUknhnPyNDUzNjY3MTg9BQY6IUAQB4SSuY</recordid><startdate>20220125</startdate><enddate>20220125</enddate><creator>FAN RUINAN</creator><creator>YANG YUANLU</creator><creator>YIN YANZHANG</creator><scope>EVB</scope></search><sort><creationdate>20220125</creationdate><title>Gear pump shell, gear pump and oil supply system</title><author>FAN RUINAN ; YANG YUANLU ; YIN YANZHANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN215633740UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>FAN RUINAN</creatorcontrib><creatorcontrib>YANG YUANLU</creatorcontrib><creatorcontrib>YIN YANZHANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FAN RUINAN</au><au>YANG YUANLU</au><au>YIN YANZHANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Gear pump shell, gear pump and oil supply system</title><date>2022-01-25</date><risdate>2022</risdate><abstract>The utility model relates to the technical field of pumps, and discloses a pump shell of a gear pump, the gear pump and an oil supply system, the inner walls of the pump shell of the gear pump, which are positioned at two axial ends of a paired gear, are end inner walls, and the end inner walls are provided with oil supplementing grooves communicated with a low-pressure area of the gear pump; the oil supplementing device is used for supplementing oil for tooth groove and tooth root areas, located in a transition area of the gear pump, of the matched gear. According to the pump shell of the gear pump provided by the utility model, when the gear pump applying the pump shell of the gear pump works under a high-speed working condition, oil in a tooth groove of a matched gear is thrown to the vicinity of an addendum circle of the matched gear under the action of centrifugal force, so that the oil pressure in a tooth root area of the tooth groove is reduced; at the moment, the oil in the low-pressure area can be au</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN215633740UU |
| source | esp@cenet |
| subjects | BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS |
| title | Gear pump shell, gear pump and oil supply system |
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