METHOD FOR DIAGNOSING THE STATE OF WEAR OF A VALVE ARRANGEMENT FOR CONTROLLING THE FLOW OF A PROCESS MEDIUM
A method and valve arrangement are provided for controlling the flow of a process medium through a pipeline. A pneumatic actuator moves a valve element, which is accommodated in a valve housing, and switches the flow of the process medium, in accordance with a positioning control system by means of...
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| creator | MEIER URS E PAPE DETLEF |
| description | A method and valve arrangement are provided for controlling the flow of a process medium through a pipeline. A pneumatic actuator moves a valve element, which is accommodated in a valve housing, and switches the flow of the process medium, in accordance with a positioning control system by means of a control piston, to at least one side of which control pressure is applied in a drive chamber. An electronic evaluation unit connected to the positioning control system monitors the operating state. A pressure sensor measures the pressure in the drive chamber, and the evaluation unit analyzes the measured pressure value with respect to a pressure p and the pressure change dp(t) over time to determine the flow into/from the drive chamber and/or the ratio (V/A) of the drive chamber volume to the effective opening cross section of the valve arrangement as a measure of the operating state of the valve arrangement. |
| format | Patent |
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A pneumatic actuator moves a valve element, which is accommodated in a valve housing, and switches the flow of the process medium, in accordance with a positioning control system by means of a control piston, to at least one side of which control pressure is applied in a drive chamber. An electronic evaluation unit connected to the positioning control system monitors the operating state. A pressure sensor measures the pressure in the drive chamber, and the evaluation unit analyzes the measured pressure value with respect to a pressure p and the pressure change dp(t) over time to determine the flow into/from the drive chamber and/or the ratio (V/A) of the drive chamber volume to the effective opening cross section of the valve arrangement as a measure of the operating state of the valve arrangement.</description><language>eng</language><subject>ACTUATING-FLOATS ; BLASTING ; CALCULATING ; COCKS ; COMPUTING ; CONTROLLING ; COUNTING ; DEVICES FOR VENTING OR AERATING ; ELECTRIC DIGITAL DATA PROCESSING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MEASURING ; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL ; MECHANICAL ENGINEERING ; METERING BY VOLUME ; PHYSICS ; REGULATING ; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES ; TAPS ; TESTING ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2010</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=20100617&DB=EPODOC&CC=US&NR=2010152908A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100617&DB=EPODOC&CC=US&NR=2010152908A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MEIER URS E</creatorcontrib><creatorcontrib>PAPE DETLEF</creatorcontrib><title>METHOD FOR DIAGNOSING THE STATE OF WEAR OF A VALVE ARRANGEMENT FOR CONTROLLING THE FLOW OF A PROCESS MEDIUM</title><description>A method and valve arrangement are provided for controlling the flow of a process medium through a pipeline. A pneumatic actuator moves a valve element, which is accommodated in a valve housing, and switches the flow of the process medium, in accordance with a positioning control system by means of a control piston, to at least one side of which control pressure is applied in a drive chamber. An electronic evaluation unit connected to the positioning control system monitors the operating state. A pressure sensor measures the pressure in the drive chamber, and the evaluation unit analyzes the measured pressure value with respect to a pressure p and the pressure change dp(t) over time to determine the flow into/from the drive chamber and/or the ratio (V/A) of the drive chamber volume to the effective opening cross section of the valve arrangement as a measure of the operating state of the valve arrangement.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>CALCULATING</subject><subject>COCKS</subject><subject>COMPUTING</subject><subject>CONTROLLING</subject><subject>COUNTING</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MEASURING</subject><subject>MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METERING BY VOLUME</subject><subject>PHYSICS</subject><subject>REGULATING</subject><subject>SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES</subject><subject>TAPS</subject><subject>TESTING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2010</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyz0LwjAQgOEuDqL-hwNnoakIOh7tpS0kOUmu7ViKxEXRQv3_iF-707s87zy5WJKKC9DsoaixdBxqV4JUBEFQCFhDR-hfRWjRtAToPbqSLDl5fzk78WzMb9SGu48_es4pBLBU1I1dJrPzcJ3i6ttFstYkebWJ472P0zic4i0--iZkqUrVLjuke1Tb_9QTPVw2uA</recordid><startdate>20100617</startdate><enddate>20100617</enddate><creator>MEIER URS E</creator><creator>PAPE DETLEF</creator><scope>EVB</scope></search><sort><creationdate>20100617</creationdate><title>METHOD FOR DIAGNOSING THE STATE OF WEAR OF A VALVE ARRANGEMENT FOR CONTROLLING THE FLOW OF A PROCESS MEDIUM</title><author>MEIER URS E ; PAPE DETLEF</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2010152908A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2010</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>CALCULATING</topic><topic>COCKS</topic><topic>COMPUTING</topic><topic>CONTROLLING</topic><topic>COUNTING</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MEASURING</topic><topic>MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METERING BY VOLUME</topic><topic>PHYSICS</topic><topic>REGULATING</topic><topic>SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES</topic><topic>TAPS</topic><topic>TESTING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MEIER URS E</creatorcontrib><creatorcontrib>PAPE DETLEF</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MEIER URS E</au><au>PAPE DETLEF</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR DIAGNOSING THE STATE OF WEAR OF A VALVE ARRANGEMENT FOR CONTROLLING THE FLOW OF A PROCESS MEDIUM</title><date>2010-06-17</date><risdate>2010</risdate><abstract>A method and valve arrangement are provided for controlling the flow of a process medium through a pipeline. A pneumatic actuator moves a valve element, which is accommodated in a valve housing, and switches the flow of the process medium, in accordance with a positioning control system by means of a control piston, to at least one side of which control pressure is applied in a drive chamber. An electronic evaluation unit connected to the positioning control system monitors the operating state. A pressure sensor measures the pressure in the drive chamber, and the evaluation unit analyzes the measured pressure value with respect to a pressure p and the pressure change dp(t) over time to determine the flow into/from the drive chamber and/or the ratio (V/A) of the drive chamber volume to the effective opening cross section of the valve arrangement as a measure of the operating state of the valve arrangement.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACTUATING-FLOATS BLASTING CALCULATING COCKS COMPUTING CONTROLLING COUNTING DEVICES FOR VENTING OR AERATING ELECTRIC DIGITAL DATA PROCESSING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL MECHANICAL ENGINEERING METERING BY VOLUME PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TAPS TESTING THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | METHOD FOR DIAGNOSING THE STATE OF WEAR OF A VALVE ARRANGEMENT FOR CONTROLLING THE FLOW OF A PROCESS MEDIUM |
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