HIGH SPEED INTERNAL GEAR PUMP
This document discloses an internal gear pump with a symmetrical casing and a head design that enables high pumping speeds, reduced turbulence and reduced risk or occurrence of cavitation. The head includes a boss that extends into the pump chamber to form an idler support and a crescent support. Th...
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creator | Thompson, Nicolas V Meyer, Scott M Timm, Emily P Mihm, Christopher J |
description | This document discloses an internal gear pump with a symmetrical casing and a head design that enables high pumping speeds, reduced turbulence and reduced risk or occurrence of cavitation. The head includes a boss that extends into the pump chamber to form an idler support and a crescent support. The crescent support includes a liquid directing step that extends from the crescent arcuately towards the inlet. The liquid directing step divides liquid incoming from the inlet into a portion directed to an idler feed slot and another portion directed to a rotor feed slot. The idler feed slot provides communication between the inlet and the roots of the idler and the rotor feed slot provides communication between the inlet and spaces between the rotor teeth. |
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The head includes a boss that extends into the pump chamber to form an idler support and a crescent support. The crescent support includes a liquid directing step that extends from the crescent arcuately towards the inlet. The liquid directing step divides liquid incoming from the inlet into a portion directed to an idler feed slot and another portion directed to a rotor feed slot. The idler feed slot provides communication between the inlet and the roots of the idler and the rotor feed slot provides communication between the inlet and spaces between the rotor teeth.</description><language>eng ; fre ; ger</language><subject>BLASTING ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS ; STEAM ENGINES ; WEAPONS</subject><creationdate>2018</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=20180103&DB=EPODOC&CC=EP&NR=3078857B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180103&DB=EPODOC&CC=EP&NR=3078857B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Thompson, Nicolas V</creatorcontrib><creatorcontrib>Meyer, Scott M</creatorcontrib><creatorcontrib>Timm, Emily P</creatorcontrib><creatorcontrib>Mihm, Christopher J</creatorcontrib><title>HIGH SPEED INTERNAL GEAR PUMP</title><description>This document discloses an internal gear pump with a symmetrical casing and a head design that enables high pumping speeds, reduced turbulence and reduced risk or occurrence of cavitation. The head includes a boss that extends into the pump chamber to form an idler support and a crescent support. The crescent support includes a liquid directing step that extends from the crescent arcuately towards the inlet. The liquid directing step divides liquid incoming from the inlet into a portion directed to an idler feed slot and another portion directed to a rotor feed slot. The idler feed slot provides communication between the inlet and the roots of the idler and the rotor feed slot provides communication between the inlet and spaces between the rotor teeth.</description><subject>BLASTING</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</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 MACHINES OR ENGINES</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD18HT3UAgOcHV1UfD0C3EN8nP0UXB3dQxSCAj1DeBhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAcYG5hYWpuZOhsZEKAEAPRYgiQ</recordid><startdate>20180103</startdate><enddate>20180103</enddate><creator>Thompson, Nicolas V</creator><creator>Meyer, Scott M</creator><creator>Timm, Emily P</creator><creator>Mihm, Christopher J</creator><scope>EVB</scope></search><sort><creationdate>20180103</creationdate><title>HIGH SPEED INTERNAL GEAR PUMP</title><author>Thompson, Nicolas V ; Meyer, Scott M ; Timm, Emily P ; Mihm, Christopher J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3078857B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2018</creationdate><topic>BLASTING</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</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 MACHINES OR ENGINES</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>Thompson, Nicolas V</creatorcontrib><creatorcontrib>Meyer, Scott M</creatorcontrib><creatorcontrib>Timm, Emily P</creatorcontrib><creatorcontrib>Mihm, Christopher J</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Thompson, Nicolas V</au><au>Meyer, Scott M</au><au>Timm, Emily P</au><au>Mihm, Christopher J</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HIGH SPEED INTERNAL GEAR PUMP</title><date>2018-01-03</date><risdate>2018</risdate><abstract>This document discloses an internal gear pump with a symmetrical casing and a head design that enables high pumping speeds, reduced turbulence and reduced risk or occurrence of cavitation. The head includes a boss that extends into the pump chamber to form an idler support and a crescent support. The crescent support includes a liquid directing step that extends from the crescent arcuately towards the inlet. The liquid directing step divides liquid incoming from the inlet into a portion directed to an idler feed slot and another portion directed to a rotor feed slot. The idler feed slot provides communication between the inlet and the roots of the idler and the rotor feed slot provides communication between the inlet and spaces between the rotor teeth.</abstract><oa>free_for_read</oa></addata></record> |
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language | eng ; fre ; ger |
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subjects | BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS STEAM ENGINES WEAPONS |
title | HIGH SPEED INTERNAL GEAR PUMP |
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