A METHOD FOR TIGHTNESS TEST OF TANKSYSTEM

A METHOD FOR TIGHTNESS TEST OF TANKSYSTEM

A method for testing tightness of a tank system is provided to finish an over pressure step if the test does not reach an evaluation parameter or exceeds a maximum time and delay a low pressure step unless a dynamic low pressure threshold value is less than a fixed low pressure threshold value. A me...

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1. Verfasser: HAAG SILKE
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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description A method for testing tightness of a tank system is provided to finish an over pressure step if the test does not reach an evaluation parameter or exceeds a maximum time and delay a low pressure step unless a dynamic low pressure threshold value is less than a fixed low pressure threshold value. A method for testing tightness of a tank system includes the steps of: testing whether a vehicle has stopped or not(210); closing a tank ventilation valve by sealing a pipe with a controllable valve(220); comparing a measured time with a previously set time threshold value(230); determining a parameter to represent sealing capability from the detected over pressure and the previously set pressure threshold value(240); performing a low pressure process after a stop valve is opened(260); and finishing a tightness test of a tank system sealed at a previous step(265) if a comparison result becomes below a low pressure threshold value.
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A method for testing tightness of a tank system includes the steps of: testing whether a vehicle has stopped or not(210); closing a tank ventilation valve by sealing a pipe with a controllable valve(220); comparing a measured time with a previously set time threshold value(230); determining a parameter to represent sealing capability from the detected over pressure and the previously set pressure threshold value(240); performing a low pressure process after a stop valve is opened(260); and finishing a tightness test of a tank system sealed at a previous step(265) if a comparison result becomes below a low pressure threshold value.</description><language>eng</language><subject>MEASURING ; PHYSICS ; TESTING ; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES ; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</subject><creationdate>2008</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&amp;date=20080702&amp;DB=EPODOC&amp;CC=KR&amp;NR=20080061297A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20080702&amp;DB=EPODOC&amp;CC=KR&amp;NR=20080061297A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HAAG SILKE</creatorcontrib><title>A METHOD FOR TIGHTNESS TEST OF TANKSYSTEM</title><description>A method for testing tightness of a tank system is provided to finish an over pressure step if the test does not reach an evaluation parameter or exceeds a maximum time and delay a low pressure step unless a dynamic low pressure threshold value is less than a fixed low pressure threshold value. 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subjects MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title A METHOD FOR TIGHTNESS TEST OF TANKSYSTEM
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