METHOD OF DETERMINING AIR-TIGHTNESS OF ARTICLES OPERATING UNDER EXTERNAL PRESSURE
FIELD: test equipment.SUBSTANCE: invention relates to the field of testing of devices for air-tightness and can be used for determination of tightness of the articles operating under external pressure, in particular space equipment articles. Essence of the invention: an internal cavity of an article...
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| creator | TROJNIKOV VLADIMIR IVANOVICH ZJABLOV VALERIJ ARKAD'EVICH SHCHERBAKOV EHDUARD VIKTOROVICH |
| description | FIELD: test equipment.SUBSTANCE: invention relates to the field of testing of devices for air-tightness and can be used for determination of tightness of the articles operating under external pressure, in particular space equipment articles. Essence of the invention: an internal cavity of an article is evacuated through the testing system down to steady-state equilibrium pressure in a product and the testing system.. An article is disconnected from the testing system, while continuing evacuating the testing system. The first steady-state equilibrium pressure in the testing system is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system. The calibrated leak is connected to the testing system. The steady-state equilibrium pressure in the testing system is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system and gas flow from the calibrated leak. The calibrated leak is disconnected from the testing system. The article is connected to the testing system. The steady-state equilibrium pressure corresponding to inflow into the testing system of a flow from the article leakage and own flow of gas separation and leakage of the testing system is measured. The article is disconnected from the testing system. The second steady-state equilibrium pressure is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system. The level of leakage of the article is determined on the basis of the value of gas flow from the calibrated leak and values of the named pressure. Meanwhile after pumping out of an internal cavity of the article through the testing system until the steady-state equilibrium pressure in the article and disconnection of the testing system and the article from the testing system the testing system section with the known volume which is interconnected with the calibrated leak is disconnected from evacuation devices. And the calibrated leak is connected to the testing system section with the known volume. Gas flow from the calibrated leak is measured by the rate of pressure rise formed it in the testing system section of known volume. The calibrated leak is disconnected from the testing system section with the known volume. After that the testing system section with known volume is connected to the evacuation devices and the cooled trap of the evacuation |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_RU2551399C2</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>RU2551399C2</sourcerecordid><originalsourceid>FETCH-epo_espacenet_RU2551399C23</originalsourceid><addsrcrecordid>eNrjZAj0dQ3x8HdR8HdTcHENcQ3y9fTz9HNXcPQM0g3xdPcI8XMNDgZJOgaFeDr7uALZAa5BjiEgNaF-Lq5BCq4RQF1-jj4KAUFApaFBrjwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JD4o1MjU1NDY0tLZyJgIJQBlVy9r</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>METHOD OF DETERMINING AIR-TIGHTNESS OF ARTICLES OPERATING UNDER EXTERNAL PRESSURE</title><source>esp@cenet</source><creator>TROJNIKOV VLADIMIR IVANOVICH ; ZJABLOV VALERIJ ARKAD'EVICH ; SHCHERBAKOV EHDUARD VIKTOROVICH</creator><creatorcontrib>TROJNIKOV VLADIMIR IVANOVICH ; ZJABLOV VALERIJ ARKAD'EVICH ; SHCHERBAKOV EHDUARD VIKTOROVICH</creatorcontrib><description>FIELD: test equipment.SUBSTANCE: invention relates to the field of testing of devices for air-tightness and can be used for determination of tightness of the articles operating under external pressure, in particular space equipment articles. Essence of the invention: an internal cavity of an article is evacuated through the testing system down to steady-state equilibrium pressure in a product and the testing system.. An article is disconnected from the testing system, while continuing evacuating the testing system. The first steady-state equilibrium pressure in the testing system is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system. The calibrated leak is connected to the testing system. The steady-state equilibrium pressure in the testing system is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system and gas flow from the calibrated leak. The calibrated leak is disconnected from the testing system. The article is connected to the testing system. The steady-state equilibrium pressure corresponding to inflow into the testing system of a flow from the article leakage and own flow of gas separation and leakage of the testing system is measured. The article is disconnected from the testing system. The second steady-state equilibrium pressure is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system. The level of leakage of the article is determined on the basis of the value of gas flow from the calibrated leak and values of the named pressure. Meanwhile after pumping out of an internal cavity of the article through the testing system until the steady-state equilibrium pressure in the article and disconnection of the testing system and the article from the testing system the testing system section with the known volume which is interconnected with the calibrated leak is disconnected from evacuation devices. And the calibrated leak is connected to the testing system section with the known volume. Gas flow from the calibrated leak is measured by the rate of pressure rise formed it in the testing system section of known volume. The calibrated leak is disconnected from the testing system section with the known volume. After that the testing system section with known volume is connected to the evacuation devices and the cooled trap of the evacuation devices is cooled down. Meanwhile the measurements of all steady-state equilibrium pressure values, connection and disconnection of the calibrated leak and the article are performed after a cooling down of the cooled trap of the evacuation devices. And the temperature of the cooled trap of the evacuation devices shall be equal to the temperature at the workplace.EFFECT: improvement of accuracy of determination of air-tightness of articles, increase of service life of articles.1 dwg
Изобретение относится к области исследования устройств на герметичность и может быть использовано для определения герметичности работающих под внешним давлением изделий, в частности изделий космической техники. Сущность: вакуумируют внутреннюю полость изделия через испытательную систему до установившегося равновесного давления в изделии и испытательной системе. Отсоединяют изделие от испытательной системы, продолжая вакуумировать испытательную систему. Измеряют первое установившееся равновесное давление в испытательной системе, соответствующее поступлению в испытательную систему собственного потока газоотделения и натекания испытательной системы. Подсоединяют к испытательной системе калиброванную течь. Измеряют установившееся равновесное давление в испытательной системе, соответствующее поступлению в испытательную систему собственного потока газоотделения и натекания испытательной системы и потока газа от калиброванной течи. Отсоединяют от испытательной системы калиброванную течь. Соединяют изделие с испытательной системой. Измеряют установившееся равновесное давление, соответствующее поступлению в испытательную систему потока от негерметичности изделия и собственного потока газоотделения и натекания испытательной системы. Отсоединяют изделие от испытательной системы. Измеряют второе установившееся равновесное давление, соответствующее поступлению в испытательную систему собственного потока газоотделения и натекания испытательной системы. Определяют величину негерметичности изделия на основании величины потока газа от калиброванной течи и величин упомянутых давлений. П�</description><language>eng ; rus</language><subject>MEASURING ; PHYSICS ; TESTING ; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES ; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</subject><creationdate>2015</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=20150520&DB=EPODOC&CC=RU&NR=2551399C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150520&DB=EPODOC&CC=RU&NR=2551399C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TROJNIKOV VLADIMIR IVANOVICH</creatorcontrib><creatorcontrib>ZJABLOV VALERIJ ARKAD'EVICH</creatorcontrib><creatorcontrib>SHCHERBAKOV EHDUARD VIKTOROVICH</creatorcontrib><title>METHOD OF DETERMINING AIR-TIGHTNESS OF ARTICLES OPERATING UNDER EXTERNAL PRESSURE</title><description>FIELD: test equipment.SUBSTANCE: invention relates to the field of testing of devices for air-tightness and can be used for determination of tightness of the articles operating under external pressure, in particular space equipment articles. Essence of the invention: an internal cavity of an article is evacuated through the testing system down to steady-state equilibrium pressure in a product and the testing system.. An article is disconnected from the testing system, while continuing evacuating the testing system. The first steady-state equilibrium pressure in the testing system is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system. The calibrated leak is connected to the testing system. The steady-state equilibrium pressure in the testing system is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system and gas flow from the calibrated leak. The calibrated leak is disconnected from the testing system. The article is connected to the testing system. The steady-state equilibrium pressure corresponding to inflow into the testing system of a flow from the article leakage and own flow of gas separation and leakage of the testing system is measured. The article is disconnected from the testing system. The second steady-state equilibrium pressure is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system. The level of leakage of the article is determined on the basis of the value of gas flow from the calibrated leak and values of the named pressure. Meanwhile after pumping out of an internal cavity of the article through the testing system until the steady-state equilibrium pressure in the article and disconnection of the testing system and the article from the testing system the testing system section with the known volume which is interconnected with the calibrated leak is disconnected from evacuation devices. And the calibrated leak is connected to the testing system section with the known volume. Gas flow from the calibrated leak is measured by the rate of pressure rise formed it in the testing system section of known volume. The calibrated leak is disconnected from the testing system section with the known volume. After that the testing system section with known volume is connected to the evacuation devices and the cooled trap of the evacuation devices is cooled down. Meanwhile the measurements of all steady-state equilibrium pressure values, connection and disconnection of the calibrated leak and the article are performed after a cooling down of the cooled trap of the evacuation devices. And the temperature of the cooled trap of the evacuation devices shall be equal to the temperature at the workplace.EFFECT: improvement of accuracy of determination of air-tightness of articles, increase of service life of articles.1 dwg
Изобретение относится к области исследования устройств на герметичность и может быть использовано для определения герметичности работающих под внешним давлением изделий, в частности изделий космической техники. Сущность: вакуумируют внутреннюю полость изделия через испытательную систему до установившегося равновесного давления в изделии и испытательной системе. Отсоединяют изделие от испытательной системы, продолжая вакуумировать испытательную систему. Измеряют первое установившееся равновесное давление в испытательной системе, соответствующее поступлению в испытательную систему собственного потока газоотделения и натекания испытательной системы. Подсоединяют к испытательной системе калиброванную течь. Измеряют установившееся равновесное давление в испытательной системе, соответствующее поступлению в испытательную систему собственного потока газоотделения и натекания испытательной системы и потока газа от калиброванной течи. Отсоединяют от испытательной системы калиброванную течь. Соединяют изделие с испытательной системой. Измеряют установившееся равновесное давление, соответствующее поступлению в испытательную систему потока от негерметичности изделия и собственного потока газоотделения и натекания испытательной системы. Отсоединяют изделие от испытательной системы. Измеряют второе установившееся равновесное давление, соответствующее поступлению в испытательную систему собственного потока газоотделения и натекания испытательной системы. Определяют величину негерметичности изделия на основании величины потока газа от калиброванной течи и величин упомянутых давлений. П�</description><subject>MEASURING</subject><subject>PHYSICS</subject><subject>TESTING</subject><subject>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</subject><subject>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAj0dQ3x8HdR8HdTcHENcQ3y9fTz9HNXcPQM0g3xdPcI8XMNDgZJOgaFeDr7uALZAa5BjiEgNaF-Lq5BCq4RQF1-jj4KAUFApaFBrjwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JD4o1MjU1NDY0tLZyJgIJQBlVy9r</recordid><startdate>20150520</startdate><enddate>20150520</enddate><creator>TROJNIKOV VLADIMIR IVANOVICH</creator><creator>ZJABLOV VALERIJ ARKAD'EVICH</creator><creator>SHCHERBAKOV EHDUARD VIKTOROVICH</creator><scope>EVB</scope></search><sort><creationdate>20150520</creationdate><title>METHOD OF DETERMINING AIR-TIGHTNESS OF ARTICLES OPERATING UNDER EXTERNAL PRESSURE</title><author>TROJNIKOV VLADIMIR IVANOVICH ; ZJABLOV VALERIJ ARKAD'EVICH ; SHCHERBAKOV EHDUARD VIKTOROVICH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU2551399C23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; rus</language><creationdate>2015</creationdate><topic>MEASURING</topic><topic>PHYSICS</topic><topic>TESTING</topic><topic>TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES</topic><topic>TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</topic><toplevel>online_resources</toplevel><creatorcontrib>TROJNIKOV VLADIMIR IVANOVICH</creatorcontrib><creatorcontrib>ZJABLOV VALERIJ ARKAD'EVICH</creatorcontrib><creatorcontrib>SHCHERBAKOV EHDUARD VIKTOROVICH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TROJNIKOV VLADIMIR IVANOVICH</au><au>ZJABLOV VALERIJ ARKAD'EVICH</au><au>SHCHERBAKOV EHDUARD VIKTOROVICH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD OF DETERMINING AIR-TIGHTNESS OF ARTICLES OPERATING UNDER EXTERNAL PRESSURE</title><date>2015-05-20</date><risdate>2015</risdate><abstract>FIELD: test equipment.SUBSTANCE: invention relates to the field of testing of devices for air-tightness and can be used for determination of tightness of the articles operating under external pressure, in particular space equipment articles. Essence of the invention: an internal cavity of an article is evacuated through the testing system down to steady-state equilibrium pressure in a product and the testing system.. An article is disconnected from the testing system, while continuing evacuating the testing system. The first steady-state equilibrium pressure in the testing system is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system. The calibrated leak is connected to the testing system. The steady-state equilibrium pressure in the testing system is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system and gas flow from the calibrated leak. The calibrated leak is disconnected from the testing system. The article is connected to the testing system. The steady-state equilibrium pressure corresponding to inflow into the testing system of a flow from the article leakage and own flow of gas separation and leakage of the testing system is measured. The article is disconnected from the testing system. The second steady-state equilibrium pressure is measured that corresponds to inflow into the testing system of own flow of gas separation and a leakage of the testing system. The level of leakage of the article is determined on the basis of the value of gas flow from the calibrated leak and values of the named pressure. Meanwhile after pumping out of an internal cavity of the article through the testing system until the steady-state equilibrium pressure in the article and disconnection of the testing system and the article from the testing system the testing system section with the known volume which is interconnected with the calibrated leak is disconnected from evacuation devices. And the calibrated leak is connected to the testing system section with the known volume. Gas flow from the calibrated leak is measured by the rate of pressure rise formed it in the testing system section of known volume. The calibrated leak is disconnected from the testing system section with the known volume. After that the testing system section with known volume is connected to the evacuation devices and the cooled trap of the evacuation devices is cooled down. Meanwhile the measurements of all steady-state equilibrium pressure values, connection and disconnection of the calibrated leak and the article are performed after a cooling down of the cooled trap of the evacuation devices. And the temperature of the cooled trap of the evacuation devices shall be equal to the temperature at the workplace.EFFECT: improvement of accuracy of determination of air-tightness of articles, increase of service life of articles.1 dwg
Изобретение относится к области исследования устройств на герметичность и может быть использовано для определения герметичности работающих под внешним давлением изделий, в частности изделий космической техники. Сущность: вакуумируют внутреннюю полость изделия через испытательную систему до установившегося равновесного давления в изделии и испытательной системе. Отсоединяют изделие от испытательной системы, продолжая вакуумировать испытательную систему. Измеряют первое установившееся равновесное давление в испытательной системе, соответствующее поступлению в испытательную систему собственного потока газоотделения и натекания испытательной системы. Подсоединяют к испытательной системе калиброванную течь. Измеряют установившееся равновесное давление в испытательной системе, соответствующее поступлению в испытательную систему собственного потока газоотделения и натекания испытательной системы и потока газа от калиброванной течи. Отсоединяют от испытательной системы калиброванную течь. Соединяют изделие с испытательной системой. Измеряют установившееся равновесное давление, соответствующее поступлению в испытательную систему потока от негерметичности изделия и собственного потока газоотделения и натекания испытательной системы. Отсоединяют изделие от испытательной системы. Измеряют второе установившееся равновесное давление, соответствующее поступлению в испытательную систему собственного потока газоотделения и натекания испытательной системы. Определяют величину негерметичности изделия на основании величины потока газа от калиброванной течи и величин упомянутых давлений. П�</abstract><oa>free_for_read</oa></addata></record> |
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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 | METHOD OF DETERMINING AIR-TIGHTNESS OF ARTICLES OPERATING UNDER EXTERNAL PRESSURE |
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