High pressure pump and method of reducing fluid mixing within same
To reduce mixing of fluids within a high pressure pump, a pump is provided that comprises a housing, a piston, an annulus, and a first seal. The housing includes an inlet for a first fluid, an inlet for a second fluid, and a piston bore fluidly coupled to the inlet for the first fluid. The piston is...
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| creator | SHAFER SCOTT BARTLEY BRADLEY E |
| description | To reduce mixing of fluids within a high pressure pump, a pump is provided that comprises a housing, a piston, an annulus, and a first seal. The housing includes an inlet for a first fluid, an inlet for a second fluid, and a piston bore fluidly coupled to the inlet for the first fluid. The piston is moveable within the piston bore and has a first end exposed to the first fluid and a second end exposed to the second fluid. The annulus is defined within the piston bore and is configured to be fluidly coupled to a drain circuit having a pressure less than the pressure of the first fluid. The first seal is coupled to the housing and is located outside of the piston bore. The first seal engages the piston to create a seal that substantially prevents the second fluid from entering the piston bore. |
| format | Patent |
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The housing includes an inlet for a first fluid, an inlet for a second fluid, and a piston bore fluidly coupled to the inlet for the first fluid. The piston is moveable within the piston bore and has a first end exposed to the first fluid and a second end exposed to the second fluid. The annulus is defined within the piston bore and is configured to be fluidly coupled to a drain circuit having a pressure less than the pressure of the first fluid. The first seal is coupled to the housing and is located outside of the piston bore. The first seal engages the piston to create a seal that substantially prevents the second fluid from entering the piston bore.</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; WEAPONS</subject><creationdate>2009</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=20090507&DB=EPODOC&CC=US&NR=2009114190A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090507&DB=EPODOC&CC=US&NR=2009114190A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHAFER SCOTT</creatorcontrib><creatorcontrib>BARTLEY BRADLEY E</creatorcontrib><title>High pressure pump and method of reducing fluid mixing within same</title><description>To reduce mixing of fluids within a high pressure pump, a pump is provided that comprises a housing, a piston, an annulus, and a first seal. The housing includes an inlet for a first fluid, an inlet for a second fluid, and a piston bore fluidly coupled to the inlet for the first fluid. The piston is moveable within the piston bore and has a first end exposed to the first fluid and a second end exposed to the second fluid. The annulus is defined within the piston bore and is configured to be fluidly coupled to a drain circuit having a pressure less than the pressure of the first fluid. The first seal is coupled to the housing and is located outside of the piston bore. The first seal engages the piston to create a seal that substantially prevents the second fluid from entering the piston bore.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHDyyEzPUCgoSi0uLi1KVSgozS1QSMxLUchNLcnIT1HIT1MoSk0pTc7MS1dIyynNBEpkVoA45ZklGZl5CsWJuak8DKxpiTnFqbxQmptB2c01xNlDN7UgPz61uCAxOTUvtSQ-NNjIwMDS0NDE0NLA0dCYOFUA7HYywQ</recordid><startdate>20090507</startdate><enddate>20090507</enddate><creator>SHAFER SCOTT</creator><creator>BARTLEY BRADLEY E</creator><scope>EVB</scope></search><sort><creationdate>20090507</creationdate><title>High pressure pump and method of reducing fluid mixing within same</title><author>SHAFER SCOTT ; BARTLEY BRADLEY E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2009114190A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SHAFER SCOTT</creatorcontrib><creatorcontrib>BARTLEY BRADLEY E</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHAFER SCOTT</au><au>BARTLEY BRADLEY E</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>High pressure pump and method of reducing fluid mixing within same</title><date>2009-05-07</date><risdate>2009</risdate><abstract>To reduce mixing of fluids within a high pressure pump, a pump is provided that comprises a housing, a piston, an annulus, and a first seal. The housing includes an inlet for a first fluid, an inlet for a second fluid, and a piston bore fluidly coupled to the inlet for the first fluid. The piston is moveable within the piston bore and has a first end exposed to the first fluid and a second end exposed to the second fluid. The annulus is defined within the piston bore and is configured to be fluidly coupled to a drain circuit having a pressure less than the pressure of the first fluid. The first seal is coupled to the housing and is located outside of the piston bore. The first seal engages the piston to create a seal that substantially prevents the second fluid from entering the piston bore.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_US2009114190A1 |
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| subjects | BLASTING COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS WEAPONS |
| title | High pressure pump and method of reducing fluid mixing within same |
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