THERMAL FLOW METER HAVING DIAGNOSTIC FUNCTION
A thermal, flow measuring device for determining and/or monitoring the mass flow (φM) and/or the flow velocity (vF) of a flowable medium through a pipeline, comprising at least three sensor elements and an electronics unit, as well as method for operating a thermal, flow measuring device. Each senso...
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| creator | PFAU, Axel ARNOLD, Martin |
| description | A thermal, flow measuring device for determining and/or monitoring the mass flow (φM) and/or the flow velocity (vF) of a flowable medium through a pipeline, comprising at least three sensor elements and an electronics unit, as well as method for operating a thermal, flow measuring device. Each sensor element is at least partially and/or at times in thermal contact with the medium, and includes a heatable temperature sensor. The electronics unit is embodied to heat each of the three sensor elements with a heating power, to register their temperature, to heat at least two of the at least three sensor elements simultaneously, continuously to ascertain the mass flow (φM) and/or the flow velocity (vF) of the medium, and, simultaneously, from a pairwise comparison of the temperatures and/or heating powers, to provide information concerning the state of at least one of the at least three sensor elements, and in the case that a malfunction and/or a deposit occurs on at least one of the at least three sensor elements, to perform a correction of the measured value for the mass flow (φM) and/or the flow velocity (vF) and/or to generate and to output a report concerning the state of the at least one sensor element. |
| format | Patent |
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Each sensor element is at least partially and/or at times in thermal contact with the medium, and includes a heatable temperature sensor. The electronics unit is embodied to heat each of the three sensor elements with a heating power, to register their temperature, to heat at least two of the at least three sensor elements simultaneously, continuously to ascertain the mass flow (φM) and/or the flow velocity (vF) of the medium, and, simultaneously, from a pairwise comparison of the temperatures and/or heating powers, to provide information concerning the state of at least one of the at least three sensor elements, and in the case that a malfunction and/or a deposit occurs on at least one of the at least three sensor elements, to perform a correction of the measured value for the mass flow (φM) and/or the flow velocity (vF) and/or to generate and to output a report concerning the state of the at least one sensor element.</description><language>eng ; fre ; ger</language><subject>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT ; MEASURING ; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK ; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL ; METERING BY VOLUME ; PHYSICS ; TESTING</subject><creationdate>2022</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=20220223&DB=EPODOC&CC=EP&NR=3234519B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220223&DB=EPODOC&CC=EP&NR=3234519B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PFAU, Axel</creatorcontrib><creatorcontrib>ARNOLD, Martin</creatorcontrib><title>THERMAL FLOW METER HAVING DIAGNOSTIC FUNCTION</title><description>A thermal, flow measuring device for determining and/or monitoring the mass flow (φM) and/or the flow velocity (vF) of a flowable medium through a pipeline, comprising at least three sensor elements and an electronics unit, as well as method for operating a thermal, flow measuring device. Each sensor element is at least partially and/or at times in thermal contact with the medium, and includes a heatable temperature sensor. The electronics unit is embodied to heat each of the three sensor elements with a heating power, to register their temperature, to heat at least two of the at least three sensor elements simultaneously, continuously to ascertain the mass flow (φM) and/or the flow velocity (vF) of the medium, and, simultaneously, from a pairwise comparison of the temperatures and/or heating powers, to provide information concerning the state of at least one of the at least three sensor elements, and in the case that a malfunction and/or a deposit occurs on at least one of the at least three sensor elements, to perform a correction of the measured value for the mass flow (φM) and/or the flow velocity (vF) and/or to generate and to output a report concerning the state of the at least one sensor element.</description><subject>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</subject><subject>MEASURING</subject><subject>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</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>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAN8XAN8nX0UXDz8Q9X8HUNcQ1S8HAM8_RzV3DxdHT38w8O8XRWcAv1cw7x9PfjYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgHGRsYmpoaWTobGRCgBAHkBJR4</recordid><startdate>20220223</startdate><enddate>20220223</enddate><creator>PFAU, Axel</creator><creator>ARNOLD, Martin</creator><scope>EVB</scope></search><sort><creationdate>20220223</creationdate><title>THERMAL FLOW METER HAVING DIAGNOSTIC FUNCTION</title><author>PFAU, Axel ; ARNOLD, Martin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3234519B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2022</creationdate><topic>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</topic><topic>MEASURING</topic><topic>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</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>PFAU, Axel</creatorcontrib><creatorcontrib>ARNOLD, Martin</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PFAU, Axel</au><au>ARNOLD, Martin</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>THERMAL FLOW METER HAVING DIAGNOSTIC FUNCTION</title><date>2022-02-23</date><risdate>2022</risdate><abstract>A thermal, flow measuring device for determining and/or monitoring the mass flow (φM) and/or the flow velocity (vF) of a flowable medium through a pipeline, comprising at least three sensor elements and an electronics unit, as well as method for operating a thermal, flow measuring device. Each sensor element is at least partially and/or at times in thermal contact with the medium, and includes a heatable temperature sensor. The electronics unit is embodied to heat each of the three sensor elements with a heating power, to register their temperature, to heat at least two of the at least three sensor elements simultaneously, continuously to ascertain the mass flow (φM) and/or the flow velocity (vF) of the medium, and, simultaneously, from a pairwise comparison of the temperatures and/or heating powers, to provide information concerning the state of at least one of the at least three sensor elements, and in the case that a malfunction and/or a deposit occurs on at least one of the at least three sensor elements, to perform a correction of the measured value for the mass flow (φM) and/or the flow velocity (vF) and/or to generate and to output a report concerning the state of the at least one sensor element.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING |
| title | THERMAL FLOW METER HAVING DIAGNOSTIC FUNCTION |
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