Draining pump and emergency rescue equipment
The utility model provides a draining pump and emergency rescue equipment, and relates to the technical field of emergency rescue equipment, the draining pump comprises an outer shell, and an inner shell, a power source and an impeller which are arranged in the outer shell; the power source drives t...
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| creator | GUO YITAO GUO XUEWEN |
| description | The utility model provides a draining pump and emergency rescue equipment, and relates to the technical field of emergency rescue equipment, the draining pump comprises an outer shell, and an inner shell, a power source and an impeller which are arranged in the outer shell; the power source drives the impeller to rotate so as to suck water from the water suction port. The impeller comprises a central sleeving part, a rear cover plate, a front cover plate and a plurality of blades; wherein an isolation part is arranged on the rear cover plate, and an inner cover plate part located between the isolation part and the central sleeving part and an outer cover plate part located on the periphery of the isolation part are formed on the rear cover plate; and a plurality of pressure relief holes are formed in the inner cover plate part. The pressure relief holes can enable internal and external fluid pressure of the inner cover plate part to be equal, and pressure on the inner side and the outer side of the outer cove |
| format | Patent |
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The impeller comprises a central sleeving part, a rear cover plate, a front cover plate and a plurality of blades; wherein an isolation part is arranged on the rear cover plate, and an inner cover plate part located between the isolation part and the central sleeving part and an outer cover plate part located on the periphery of the isolation part are formed on the rear cover plate; and a plurality of pressure relief holes are formed in the inner cover plate part. The pressure relief holes can enable internal and external fluid pressure of the inner cover plate part to be equal, and pressure on the inner side and the outer side of the outer cove</description><language>chi ; eng</language><subject>BLASTING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; NON-POSITIVE DISPLACEMENT PUMPS ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; WEAPONS</subject><creationdate>2021</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=20211231&DB=EPODOC&CC=CN&NR=215370258U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211231&DB=EPODOC&CC=CN&NR=215370258U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GUO YITAO</creatorcontrib><creatorcontrib>GUO XUEWEN</creatorcontrib><title>Draining pump and emergency rescue equipment</title><description>The utility model provides a draining pump and emergency rescue equipment, and relates to the technical field of emergency rescue equipment, the draining pump comprises an outer shell, and an inner shell, a power source and an impeller which are arranged in the outer shell; the power source drives the impeller to rotate so as to suck water from the water suction port. The impeller comprises a central sleeving part, a rear cover plate, a front cover plate and a plurality of blades; wherein an isolation part is arranged on the rear cover plate, and an inner cover plate part located between the isolation part and the central sleeving part and an outer cover plate part located on the periphery of the isolation part are formed on the rear cover plate; and a plurality of pressure relief holes are formed in the inner cover plate part. The pressure relief holes can enable internal and external fluid pressure of the inner cover plate part to be equal, and pressure on the inner side and the outer side of the outer cove</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>NON-POSITIVE DISPLACEMENT PUMPS</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNBxKUrMzMvMS1coKM0tUEjMS1FIzU0tSk_NS65UKEotTi5NVUgtLM0syE3NK-FhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfHOfkaGpsbmBkamFqGhxkQpAgD7OSrI</recordid><startdate>20211231</startdate><enddate>20211231</enddate><creator>GUO YITAO</creator><creator>GUO XUEWEN</creator><scope>EVB</scope></search><sort><creationdate>20211231</creationdate><title>Draining pump and emergency rescue equipment</title><author>GUO YITAO ; GUO XUEWEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN215370258UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2021</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>NON-POSITIVE DISPLACEMENT PUMPS</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>GUO YITAO</creatorcontrib><creatorcontrib>GUO XUEWEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GUO YITAO</au><au>GUO XUEWEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Draining pump and emergency rescue equipment</title><date>2021-12-31</date><risdate>2021</risdate><abstract>The utility model provides a draining pump and emergency rescue equipment, and relates to the technical field of emergency rescue equipment, the draining pump comprises an outer shell, and an inner shell, a power source and an impeller which are arranged in the outer shell; the power source drives the impeller to rotate so as to suck water from the water suction port. The impeller comprises a central sleeving part, a rear cover plate, a front cover plate and a plurality of blades; wherein an isolation part is arranged on the rear cover plate, and an inner cover plate part located between the isolation part and the central sleeving part and an outer cover plate part located on the periphery of the isolation part are formed on the rear cover plate; and a plurality of pressure relief holes are formed in the inner cover plate part. The pressure relief holes can enable internal and external fluid pressure of the inner cover plate part to be equal, and pressure on the inner side and the outer side of the outer cove</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN215370258UU |
| source | esp@cenet |
| subjects | BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS |
| title | Draining pump and emergency rescue equipment |
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