GEAR PUMP WITH MEANS FOR REDUCTION OF CAVITATION
A fluid gear pump comprising: a first gear (56) including a concentrically disposed first hub portion (72) and a plurality of first teeth (74); a second gear (60) including a concentrically disposed second hub portion (72) and a plurality of second teeth (74), wherein at a time in operation the plur...
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| creator | SOTERIOU, Marios C LI, Xiaoyi ELDER, James COCKS, Peter A.T |
| description | A fluid gear pump comprising: a first gear (56) including a concentrically disposed first hub portion (72) and a plurality of first teeth (74); a second gear (60) including a concentrically disposed second hub portion (72) and a plurality of second teeth (74), wherein at a time in operation the plurality of first teeth and second teeth contact at first and second contact point to create a backlash volume (90); a first bearing (58) abutting and coaxial to first hub portion; a second bearing (62) abutting and coaxial to second hub portion; and a bridgeland (100) connecting the first and second bearing, the bridgeland (100) separates a low pressure side from a high pressure side, the bridgeland (100) is located such that the backlash volume (90) closes to the high pressure side and opens to the low pressure side when a rate of change of a volume measurement of the backlash volume (90) is decreasing or about equal to zero. |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_EP3418571A1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>EP3418571A1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_EP3418571A13</originalsourceid><addsrcrecordid>eNrjZDBwd3UMUggI9Q1QCPcM8VDwdXX0C1Zw8w9SCHJ1CXUO8fT3U_B3U3B2DPMMcQTxeBhY0xJzilN5oTQ3g4Kba4izh25qQX58anFBYnJqXmpJvGuAsYmhham5oaOhMRFKANLPJcU</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>GEAR PUMP WITH MEANS FOR REDUCTION OF CAVITATION</title><source>esp@cenet</source><creator>SOTERIOU, Marios C ; LI, Xiaoyi ; ELDER, James ; COCKS, Peter A.T</creator><creatorcontrib>SOTERIOU, Marios C ; LI, Xiaoyi ; ELDER, James ; COCKS, Peter A.T</creatorcontrib><description>A fluid gear pump comprising: a first gear (56) including a concentrically disposed first hub portion (72) and a plurality of first teeth (74); a second gear (60) including a concentrically disposed second hub portion (72) and a plurality of second teeth (74), wherein at a time in operation the plurality of first teeth and second teeth contact at first and second contact point to create a backlash volume (90); a first bearing (58) abutting and coaxial to first hub portion; a second bearing (62) abutting and coaxial to second hub portion; and a bridgeland (100) connecting the first and second bearing, the bridgeland (100) separates a low pressure side from a high pressure side, the bridgeland (100) is located such that the backlash volume (90) closes to the high pressure side and opens to the low pressure side when a rate of change of a volume measurement of the backlash volume (90) is decreasing or about equal to zero.</description><language>eng ; fre ; ger</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 ; 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a second gear (60) including a concentrically disposed second hub portion (72) and a plurality of second teeth (74), wherein at a time in operation the plurality of first teeth and second teeth contact at first and second contact point to create a backlash volume (90); a first bearing (58) abutting and coaxial to first hub portion; a second bearing (62) abutting and coaxial to second hub portion; and a bridgeland (100) connecting the first and second bearing, the bridgeland (100) separates a low pressure side from a high pressure side, the bridgeland (100) is located such that the backlash volume (90) closes to the high pressure side and opens to the low pressure side when a rate of change of a volume measurement of the backlash volume (90) is decreasing or about equal to zero.</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>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDBwd3UMUggI9Q1QCPcM8VDwdXX0C1Zw8w9SCHJ1CXUO8fT3U_B3U3B2DPMMcQTxeBhY0xJzilN5oTQ3g4Kba4izh25qQX58anFBYnJqXmpJvGuAsYmhham5oaOhMRFKANLPJcU</recordid><startdate>20181226</startdate><enddate>20181226</enddate><creator>SOTERIOU, Marios C</creator><creator>LI, Xiaoyi</creator><creator>ELDER, James</creator><creator>COCKS, Peter A.T</creator><scope>EVB</scope></search><sort><creationdate>20181226</creationdate><title>GEAR PUMP WITH MEANS FOR REDUCTION OF CAVITATION</title><author>SOTERIOU, Marios C ; LI, Xiaoyi ; ELDER, James ; COCKS, Peter A.T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3418571A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2018</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>SOTERIOU, Marios C</creatorcontrib><creatorcontrib>LI, Xiaoyi</creatorcontrib><creatorcontrib>ELDER, James</creatorcontrib><creatorcontrib>COCKS, Peter A.T</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SOTERIOU, Marios C</au><au>LI, Xiaoyi</au><au>ELDER, James</au><au>COCKS, Peter A.T</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>GEAR PUMP WITH MEANS FOR REDUCTION OF CAVITATION</title><date>2018-12-26</date><risdate>2018</risdate><abstract>A fluid gear pump comprising: a first gear (56) including a concentrically disposed first hub portion (72) and a plurality of first teeth (74); a second gear (60) including a concentrically disposed second hub portion (72) and a plurality of second teeth (74), wherein at a time in operation the plurality of first teeth and second teeth contact at first and second contact point to create a backlash volume (90); a first bearing (58) abutting and coaxial to first hub portion; a second bearing (62) abutting and coaxial to second hub portion; and a bridgeland (100) connecting the first and second bearing, the bridgeland (100) separates a low pressure side from a high pressure side, the bridgeland (100) is located such that the backlash volume (90) closes to the high pressure side and opens to the low pressure side when a rate of change of a volume measurement of the backlash volume (90) is decreasing or about equal to zero.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| 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 WITH MEANS FOR REDUCTION OF CAVITATION |
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