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公开(公告)号:US12085481B2
公开(公告)日:2024-09-10
申请号:US17764569
申请日:2020-08-31
Applicant: NOK CORPORATION
Inventor: Yuta Kasai , Shotaro Karube , Hikaru Tadano , Masashi Takekoshi , Takayuki Sakurai
IPC: G01M3/20 , H01M8/0271 , H01M8/04664
CPC classification number: G01M3/20 , H01M8/0271
Abstract: A seal inspection device includes: a first holder including a port surrounded by an inspection target, and a through hole connected to an outside-leak detection flow path; a second holder holding the inspection target between the first and second holders; an inspection-place sealing portion forming, into a closed space, a space where the inspection target is arranged, in cooperation with the first and second holders; a pressurization valve connecting the port to both a supply source of an inspection gas and an exhaust system; a detector for the inspection gas; a first measurement valve connecting the detector to the port; and a second measurement valve connecting the outside-leak detection flow path to the detector.