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

IPC: G01M3/20 ,  G01M3/22

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.