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公开(公告)号：US20210364381A1
公开(公告)日：2021-11-25
申请号：US17056697
申请日：2019-05-21
Applicant: GAZTRANSPORT ET TECHNIGAZ
Inventor： Gael TOS , Sebastien LARROQUE , Carlos DA CUNHA , David HASSLER , Olivier PERROT , Anthony DE FARIA , Vincent FRAYSSE , Charles GIMBERT , Bruno DELETRE
Abstract: Leak detection device having a dome with a main body and a seal configured to define a detection chamber between the main body and the test zone, the seal including a peripheral sealing lip configured to come into contact with the sealing membrane and having a closed contour encircling the detection chamber, an analysis tool connected to the detection chamber to analyze a gas present in the detection chamber in which the sealing lip is configured to have at least in a service state in which a reduced pressure is applied in the detection chamber, a pinch portion that is pinched between the main body and the sealing membrane.
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公开(公告)号：US20220316977A1
公开(公告)日：2022-10-06
申请号：US17612352
申请日：2020-05-15
Applicant: GAZTRANSPORT ET TECHNIGAZ
Inventor： Gaël TOS , Olivier PERROT , Sébastien LARROQUE , Anthony DE FARIA , Carlos DA CUNHA , Vincent FRAYSSE , David HASSLER
Abstract: The invention relates to a leak detection device comprising: a portable leak detection bell-like member comprising a sealing joint and configured to define a detection chamber between the main body and the test zone, the detection bell-like member further comprising a carrying handle which is provided with a control member which can be manually activated to produce a control signal, a gas suction circuit which is intended to connect the detection chamber to a vacuum pump, the gas suction circuit being provided with a controlled valve which can be switched into an open state to connect the detection chamber to the vacuum pump and a closed state to isolate the detection chamber from the vacuum pump, and a control unit which is configured to switch the controlled valve in response to the control signal.
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