Fluid dispenser with zero displacement sealing device
A fluid dispenser for dispensing small doses of fluid includes a dispenser housing, a diaphragm assembly, a displacement chamber, and a dispensing luer. The dispenser housing has a first end for receiving the fluid and a second end for dispensing the fluid. The dispenser housing defines a fluid flow...
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| creator | Breault, John P Johnson, Ivan |
| description | A fluid dispenser for dispensing small doses of fluid includes a dispenser housing, a diaphragm assembly, a displacement chamber, and a dispensing luer. The dispenser housing has a first end for receiving the fluid and a second end for dispensing the fluid. The dispenser housing defines a fluid flow path from a receiving chamber adjacent the first end to a dispensing chamber adjacent the second end. The diaphragm assembly includes a first diaphragm within the receiving chamber and a second diaphragm within the dispensing chamber wherein the first diaphragm is operably connected to the second diaphragm. The diaphragm assembly is movable between a first position wherein the first diaphragm moves the fluid from the receiving chamber to the dispensing chamber along the fluid flow path and a second position wherein the second diaphragm moves the fluid from the dispensing chamber to the displacement chamber. |
| format | Patent |
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The dispenser housing has a first end for receiving the fluid and a second end for dispensing the fluid. The dispenser housing defines a fluid flow path from a receiving chamber adjacent the first end to a dispensing chamber adjacent the second end. The diaphragm assembly includes a first diaphragm within the receiving chamber and a second diaphragm within the dispensing chamber wherein the first diaphragm is operably connected to the second diaphragm. The diaphragm assembly is movable between a first position wherein the first diaphragm moves the fluid from the receiving chamber to the dispensing chamber along the fluid flow path and a second position wherein the second diaphragm moves the fluid from the dispensing chamber to the displacement chamber.</description><language>eng</language><subject>ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ; ADHESIVES ; APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL ; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ; BLASTING ; CHEMISTRY ; DYES ; HEATING ; LIGHTING ; MEASURING ; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL ; MECHANICAL ENGINEERING ; METALLURGY ; METERING BY VOLUME ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ; PAINTS ; PERFORMING OPERATIONS ; PHYSICS ; POLISHES ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; SPRAYING OR ATOMISING IN GENERAL ; TESTING ; TRANSPORTING ; USE OF MATERIALS AS ADHESIVES ; 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=20211116&DB=EPODOC&CC=US&NR=11173514B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211116&DB=EPODOC&CC=US&NR=11173514B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Breault, John P</creatorcontrib><creatorcontrib>Johnson, Ivan</creatorcontrib><title>Fluid dispenser with zero displacement sealing device</title><description>A fluid dispenser for dispensing small doses of fluid includes a dispenser housing, a diaphragm assembly, a displacement chamber, and a dispensing luer. The dispenser housing has a first end for receiving the fluid and a second end for dispensing the fluid. The dispenser housing defines a fluid flow path from a receiving chamber adjacent the first end to a dispensing chamber adjacent the second end. The diaphragm assembly includes a first diaphragm within the receiving chamber and a second diaphragm within the dispensing chamber wherein the first diaphragm is operably connected to the second diaphragm. The diaphragm assembly is movable between a first position wherein the first diaphragm moves the fluid from the receiving chamber to the dispensing chamber along the fluid flow path and a second position wherein the second diaphragm moves the fluid from the dispensing chamber to the displacement chamber.</description><subject>ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE</subject><subject>ADHESIVES</subject><subject>APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL</subject><subject>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL</subject><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>DYES</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MEASURING</subject><subject>MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>METERING BY VOLUME</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL</subject><subject>PAINTS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>POLISHES</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>SPRAYING OR ATOMISING IN GENERAL</subject><subject>TESTING</subject><subject>TRANSPORTING</subject><subject>USE OF MATERIALS AS ADHESIVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB1yynNTFFIySwuSM0rTi1SKM8syVCoSi3KB4vlJCan5qbmlSgUpybmZOalK6SklmUmp_IwsKYl5hSn8kJpbgZFN9cQZw_d1IL8-NTiAqCuvNSS-NBgQ0NDc2NTQxMnI2Ni1AAAhh8thw</recordid><startdate>20211116</startdate><enddate>20211116</enddate><creator>Breault, John P</creator><creator>Johnson, Ivan</creator><scope>EVB</scope></search><sort><creationdate>20211116</creationdate><title>Fluid dispenser with zero displacement sealing device</title><author>Breault, John P ; Johnson, Ivan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US11173514B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2021</creationdate><topic>ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE</topic><topic>ADHESIVES</topic><topic>APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL</topic><topic>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL</topic><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>DYES</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MEASURING</topic><topic>MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>METERING BY VOLUME</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL</topic><topic>PAINTS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>POLISHES</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>SPRAYING OR ATOMISING IN GENERAL</topic><topic>TESTING</topic><topic>TRANSPORTING</topic><topic>USE OF MATERIALS AS ADHESIVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>Breault, John P</creatorcontrib><creatorcontrib>Johnson, Ivan</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Breault, John P</au><au>Johnson, Ivan</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Fluid dispenser with zero displacement sealing device</title><date>2021-11-16</date><risdate>2021</risdate><abstract>A fluid dispenser for dispensing small doses of fluid includes a dispenser housing, a diaphragm assembly, a displacement chamber, and a dispensing luer. The dispenser housing has a first end for receiving the fluid and a second end for dispensing the fluid. The dispenser housing defines a fluid flow path from a receiving chamber adjacent the first end to a dispensing chamber adjacent the second end. The diaphragm assembly includes a first diaphragm within the receiving chamber and a second diaphragm within the dispensing chamber wherein the first diaphragm is operably connected to the second diaphragm. The diaphragm assembly is movable between a first position wherein the first diaphragm moves the fluid from the receiving chamber to the dispensing chamber along the fluid flow path and a second position wherein the second diaphragm moves the fluid from the dispensing chamber to the displacement chamber.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BLASTING CHEMISTRY DYES HEATING LIGHTING MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL MECHANICAL ENGINEERING METALLURGY METERING BY VOLUME MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PERFORMING OPERATIONS PHYSICS POLISHES POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SPRAYING OR ATOMISING IN GENERAL TESTING TRANSPORTING USE OF MATERIALS AS ADHESIVES WEAPONS |
| title | Fluid dispenser with zero displacement sealing device |
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