FLOWMETER
PROBLEM TO BE SOLVED: To prevent the action of fluid pressure in the radial direction imbalanced to an impeller caused by a sensor housing part housing a magnetic detecting element protruded into a fluid flow passage in a magnetic detection type flow meter having an axial flow type impeller. SOLUTIO...
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| creator | KARASAWA SHINTARO TSUCHIDA YASUHIDE |
| description | PROBLEM TO BE SOLVED: To prevent the action of fluid pressure in the radial direction imbalanced to an impeller caused by a sensor housing part housing a magnetic detecting element protruded into a fluid flow passage in a magnetic detection type flow meter having an axial flow type impeller. SOLUTION: A projection part 8 in which a detection element 23 of a magnetic sensor 22 is housed is projected into a fluid passage 3 of a water meter 1. A flow straightener main body part 73 of a flow straightener 7 arranged in the position upstream than an impeller 6 is installed in a position displayed by the specified amount in the opposite direction to the projection side of the projection part 8 to a passage center shaft line 3a. Large amount of water is guided toward the projection side of the projection part 8 by the flow straightener. Unequal water pressure in the radial direction acting to the impeller 6 caused by the projection part 8 can be suppressed or reduced. As a result, drop in durability in a bearing part of the impeller can be prevented. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_JP2002039818A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>JP2002039818A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_JP2002039818A3</originalsourceid><addsrcrecordid>eNrjZOB08_EP93UNcQ3iYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBgZGBsaWFoYWjsZEKQIAfLAcGw</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>FLOWMETER</title><source>esp@cenet</source><creator>KARASAWA SHINTARO ; TSUCHIDA YASUHIDE</creator><creatorcontrib>KARASAWA SHINTARO ; TSUCHIDA YASUHIDE</creatorcontrib><description>PROBLEM TO BE SOLVED: To prevent the action of fluid pressure in the radial direction imbalanced to an impeller caused by a sensor housing part housing a magnetic detecting element protruded into a fluid flow passage in a magnetic detection type flow meter having an axial flow type impeller. SOLUTION: A projection part 8 in which a detection element 23 of a magnetic sensor 22 is housed is projected into a fluid passage 3 of a water meter 1. A flow straightener main body part 73 of a flow straightener 7 arranged in the position upstream than an impeller 6 is installed in a position displayed by the specified amount in the opposite direction to the projection side of the projection part 8 to a passage center shaft line 3a. Large amount of water is guided toward the projection side of the projection part 8 by the flow straightener. Unequal water pressure in the radial direction acting to the impeller 6 caused by the projection part 8 can be suppressed or reduced. As a result, drop in durability in a bearing part of the impeller can be prevented.</description><edition>7</edition><language>eng</language><subject>MEASURING ; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL ; METERING BY VOLUME ; PHYSICS ; TESTING</subject><creationdate>2002</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=20020206&DB=EPODOC&CC=JP&NR=2002039818A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020206&DB=EPODOC&CC=JP&NR=2002039818A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KARASAWA SHINTARO</creatorcontrib><creatorcontrib>TSUCHIDA YASUHIDE</creatorcontrib><title>FLOWMETER</title><description>PROBLEM TO BE SOLVED: To prevent the action of fluid pressure in the radial direction imbalanced to an impeller caused by a sensor housing part housing a magnetic detecting element protruded into a fluid flow passage in a magnetic detection type flow meter having an axial flow type impeller. SOLUTION: A projection part 8 in which a detection element 23 of a magnetic sensor 22 is housed is projected into a fluid passage 3 of a water meter 1. A flow straightener main body part 73 of a flow straightener 7 arranged in the position upstream than an impeller 6 is installed in a position displayed by the specified amount in the opposite direction to the projection side of the projection part 8 to a passage center shaft line 3a. Large amount of water is guided toward the projection side of the projection part 8 by the flow straightener. Unequal water pressure in the radial direction acting to the impeller 6 caused by the projection part 8 can be suppressed or reduced. As a result, drop in durability in a bearing part of the impeller can be prevented.</description><subject>MEASURING</subject><subject>MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL</subject><subject>METERING BY VOLUME</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB08_EP93UNcQ3iYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBgZGBsaWFoYWjsZEKQIAfLAcGw</recordid><startdate>20020206</startdate><enddate>20020206</enddate><creator>KARASAWA SHINTARO</creator><creator>TSUCHIDA YASUHIDE</creator><scope>EVB</scope></search><sort><creationdate>20020206</creationdate><title>FLOWMETER</title><author>KARASAWA SHINTARO ; TSUCHIDA YASUHIDE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2002039818A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2002</creationdate><topic>MEASURING</topic><topic>MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL</topic><topic>METERING BY VOLUME</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>KARASAWA SHINTARO</creatorcontrib><creatorcontrib>TSUCHIDA YASUHIDE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KARASAWA SHINTARO</au><au>TSUCHIDA YASUHIDE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FLOWMETER</title><date>2002-02-06</date><risdate>2002</risdate><abstract>PROBLEM TO BE SOLVED: To prevent the action of fluid pressure in the radial direction imbalanced to an impeller caused by a sensor housing part housing a magnetic detecting element protruded into a fluid flow passage in a magnetic detection type flow meter having an axial flow type impeller. SOLUTION: A projection part 8 in which a detection element 23 of a magnetic sensor 22 is housed is projected into a fluid passage 3 of a water meter 1. A flow straightener main body part 73 of a flow straightener 7 arranged in the position upstream than an impeller 6 is installed in a position displayed by the specified amount in the opposite direction to the projection side of the projection part 8 to a passage center shaft line 3a. Large amount of water is guided toward the projection side of the projection part 8 by the flow straightener. Unequal water pressure in the radial direction acting to the impeller 6 caused by the projection part 8 can be suppressed or reduced. As a result, drop in durability in a bearing part of the impeller can be prevented.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING |
| title | FLOWMETER |
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